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177 relations: Aérospatiale, Addition, Additive inverse, Airbus, Aircraft, Al-Biruni, Alexander Dewdney, Analog multiplier, Analog signal, Analog synthesizer, Analog-to-digital converter, Analogical models, Ancient Discoveries, Ann Arbor, Michigan, Antikythera, Antikythera mechanism, Antikythera wreck, Apollo program, Arbitrary-precision arithmetic, ARP 2600, Arthur Pollen, Astrolabe, Astronomical clock, Ball-and-disk integrator, Bart N. Locanthi, Bevel gear, Boeing B-29 Superfortress, Bomb, Bomber, Bombsight, British Aircraft Corporation, Calendar, California Institute of Technology, Cam, Capacitor, Cf., Chaos theory, Clock tower, Computer, Computer programming, Concorde, Control system, Control theory, Convex hull, Crete, Dashpot, Deltar, Derek J. de Solla Price, Differential (mechanical device), Differential analyser, ..., Differential equation, Digital signal processing, Digital-to-analog converter, Dioptra, Director (military), Division (mathematics), Donald Hill, Dumaresq, Dynamic range, Dynamical system, Electric current, Electrical network, Electronic Associates, Embedded system, Exponentiation, FERMIAC, Field-programmable analog array, Figure of merit, Fire-control system, Flight computer, French Alternative Energies and Atomic Energy Commission, Function (mathematics), Function generator, Gear, Gear train, General Electric, General purpose analog computer, Gun data computer, Heathkit, Hellenistic period, Helmut Hölzer, Hipparchus, History (U.S. TV network), History of China, Hughes Aircraft Company, Hybrid computer, Hydraulics, Hydropower, Imperial Russian Navy, Inductor, Integral, Integrator, Iran, Isfahan, Ismail al-Jazari, James Thomson (engineer), John Saumarez Dumaresq, Kerrison Predictor, Korean War, Kythira, Leonardo Torres y Quevedo, Librascope, Lockheed Corporation, Logarithm, Lotfernrohr 7, Lunisolar calendar, Machine, Mark I Fire Control Computer, Martin Marietta, Matra, Mechanical computer, Mechanics, Microelectronics, MONIAC, Multiplication, NASA, Network analyzer (AC power), Noise (electronics), Noise floor, Nomogram, Nonlinear system, Norden bombsight, Numerical method, Operational amplifier, Orrery, Oscilloscope, Peenemünde Army Research Center, Planimeter, Planisphere, Plotter, Potentiometer, Pressure, Princeton, New Jersey, Process control, Protective relay, Quantization (signal processing), Rangekeeper, Real-time computing, Resistor, Royal Navy, Scanimate, Scientific modelling, Scotch yoke, Sector (instrument), Signal, Slide rule, South-pointing chariot, Spaghetti, Spaghetti sort, Spherical astronomy, Spring (device), Star chart, Synthetic-aperture radar, Temperature coefficient, Tide-predicting machine, Torpedo Data Computer, Torque amplifier, Torquetum, Transcendental function, Tuncer Őren, Turing machine, UNESCO, University of Texas Press, V-2 rocket, Vannevar Bush, Very-large-scale integration, Vickers range clock, Vietnam War, Voltage, Volumetric flow rate, Voskhod Spacecraft "Globus" IMP navigation instrument, Water integrator, Westinghouse Electric Corporation, William Thomson, 1st Baron Kelvin, Wire, World War I, World War II. Expand index (127 more) »
Aérospatiale
Aérospatiale, sometimes styled Aerospatiale, was a French state-owned aerospace manufacturer that built both civilian and military aircraft, rockets and satellites.
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Addition
Addition (often signified by the plus symbol "+") is one of the four basic operations of arithmetic; the others are subtraction, multiplication and division.
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Additive inverse
In mathematics, the additive inverse of a number is the number that, when added to, yields zero.
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Airbus
Airbus SE is a European corporation, registered in the Netherlands and trading shares in France, Germany and Spain.
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Aircraft
An aircraft is a machine that is able to fly by gaining support from the air.
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Al-Biruni
Abū Rayḥān Muḥammad ibn Aḥmad Al-Bīrūnī (Chorasmian/ابوریحان بیرونی Abū Rayḥān Bērōnī; New Persian: Abū Rayḥān Bīrūnī) (973–1050), known as Al-Biruni (البيروني) in English, was an IranianD.J. Boilot, "Al-Biruni (Beruni), Abu'l Rayhan Muhammad b. Ahmad", in Encyclopaedia of Islam (Leiden), New Ed., vol.1:1236–1238.
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Alexander Dewdney
Alexander Keewatin Dewdney (born August 5, 1941, in London, Ontario) is a Canadian mathematician, computer scientist, author, filmmaker, and conspiracy theorist.
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Analog multiplier
In electronics, an analog multiplier is a device which takes two analog signals and produces an output which is their product.
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Analog signal
An analog signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal.
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Analog synthesizer
An analog (or analogue) synthesizer is a synthesizer that uses analog circuits and analog signals to generate sound electronically.
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Analog-to-digital converter
In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a digital signal.
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Analogical models
Analogical models are a method of representing a phenomenon of the world, often called the "target system" by another, more understandable or analysable system.
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Ancient Discoveries
Ancient Discoveries is a television series that premiered on December 21, 2003, on The History Channel.
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Ann Arbor, Michigan
Ann Arbor is a city in the U.S. state of Michigan and the county seat of Washtenaw County.
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Antikythera
Antikythera or Anticythera (Ἀντικύθηρα Αντικύθηρα,, literally "opposite Kythera") is a Greek island lying on the edge of the Aegean Sea, between Crete and Peloponnese.
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Antikythera mechanism
The Antikythera mechanism is an ancient Greek analogue computer and orrery used to predict astronomical positions and eclipses for calendar and astrological purposes decades in advance.
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Antikythera wreck
The Antikythera wreck is a Roman-era shipwreck dating from the second quarter of the first century BC.
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Apollo program
The Apollo program, also known as Project Apollo, was the third United States human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which accomplished landing the first humans on the Moon from 1969 to 1972.
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Arbitrary-precision arithmetic
In computer science, arbitrary-precision arithmetic, also called bignum arithmetic, multiple-precision arithmetic, or sometimes infinite-precision arithmetic, indicates that calculations are performed on numbers whose digits of precision are limited only by the available memory of the host system.
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ARP 2600
The ARP 2600 is a semi-modular analog subtractive audio synthesizer, designed by Dennis Colin for Alan R Pearlman, and manufactured by his company, ARP Instruments, Inc. as the follow-on version of the ARP 2500.
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Arthur Pollen
Arthur Joseph Hungerford Pollen (13 September 1866 – 28 January 1937) was a writer on naval affairs in the early 1900s who recognised the need for a computer-based fire-control system.
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Astrolabe
An astrolabe (ἀστρολάβος astrolabos; ٱلأَسْطُرلاب al-Asturlāb; اَختِرِیاب Akhteriab) is an elaborate inclinometer, historically used by astronomers and navigators to measure the inclined position in the sky of a celestial body, day or night.
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Astronomical clock
An astronomical clock is a clock with special mechanisms and dials to display astronomical information, such as the relative positions of the sun, moon, zodiacal constellations, and sometimes major planets.
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Ball-and-disk integrator
The ball-and-disk integrator is a key component of many advanced mechanical computers.
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Bart N. Locanthi
Bartholomew Nicholas Locanthi II (White Plains, New York, 1919 – Glendale, California, January 9, 1994) was an audio engineer and leading expert in the US pro-audio industry in the 1970s and 1980s.
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Bevel gear
Bevel gears are gears where the axes of the two shafts intersect and the tooth-bearing faces of the gears themselves are conically shaped.
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Boeing B-29 Superfortress
The Boeing B-29 Superfortress is a four-engine propeller-driven heavy bomber designed by Boeing, which was flown primarily by the United States during World War II and the Korean War.
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Bomb
A bomb is an explosive weapon that uses the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy.
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Bomber
A bomber is a combat aircraft designed to attack ground and naval targets by dropping air-to-ground weaponry (such as bombs), firing torpedoes and bullets or deploying air-launched cruise missiles.
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Bombsight
A bombsight is a device used by military aircraft to accurately drop bombs.
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British Aircraft Corporation
The British Aircraft Corporation (BAC) was a British aircraft manufacturer formed from the government-pressured merger of English Electric Aviation Ltd., Vickers-Armstrongs (Aircraft), the Bristol Aeroplane Company and Hunting Aircraft in 1960.
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Calendar
A calendar is a system of organizing days for social, religious, commercial or administrative purposes.
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California Institute of Technology
The California Institute of Technology (abbreviated Caltech)The university itself only spells its short form as "Caltech"; other spellings such as.
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Cam
A cam is a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion.
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Capacitor
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
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Cf.
The abbreviation cf. (short for the confer/conferatur, both meaning "compare") is used in writing to refer the reader to other material to make a comparison with the topic being discussed.
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Chaos theory
Chaos theory is a branch of mathematics focusing on the behavior of dynamical systems that are highly sensitive to initial conditions.
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Clock tower
Clock towers are a specific type of building which houses a turret clock and has one or more clock faces on the upper exterior walls.
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Computer
A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.
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Computer programming
Computer programming is the process of building and designing an executable computer program for accomplishing a specific computing task.
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Concorde
The Aérospatiale/BAC Concorde is a British-French turbojet-powered supersonic passenger airliner that was operated from 1976 until 2003.
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Control system
A control system manages, commands, directs, or regulates the behavior of other devices or systems using control loops.
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Control theory
Control theory in control systems engineering deals with the control of continuously operating dynamical systems in engineered processes and machines.
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Convex hull
In mathematics, the convex hull or convex envelope or convex closure of a set X of points in the Euclidean plane or in a Euclidean space (or, more generally, in an affine space over the reals) is the smallest convex set that contains X. For instance, when X is a bounded subset of the plane, the convex hull may be visualized as the shape enclosed by a rubber band stretched around X., p. 3.
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Crete
Crete (Κρήτη,; Ancient Greek: Κρήτη, Krḗtē) is the largest and most populous of the Greek islands, the 88th largest island in the world and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cyprus, and Corsica.
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Dashpot
A dashpot is a mechanical device, a damper which resists motion via viscous friction.
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Deltar
The Deltar (Delta Getij Analogon Rekenmachine, Dutch for Delta Tide Analog Calculator) was an analog computer, used from 1960 until 1984 in the design and implementation of the Delta Works.
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Derek J. de Solla Price
Derek John de Solla Price (22 January 1922 – 3 September 1983) was a physicist, historian of science, and information scientist, credited as the father of scientometrics.
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Differential (mechanical device)
A differential is a gear train with three shafts that has the property that the rotational speed of one shaft is the average of the speeds of the others, or a fixed multiple of that average.
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Differential analyser
The differential analyser is a mechanical analogue computer designed to solve differential equations by integration, using wheel-and-disc mechanisms to perform the integration.
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Differential equation
A differential equation is a mathematical equation that relates some function with its derivatives.
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Digital signal processing
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations.
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Digital-to-analog converter
In electronics, a digital-to-analog converter (DAC, D/A, D2A, or D-to-A) is a system that converts a digital signal into an analog signal.
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Dioptra
A dioptra (sometimes also named dioptre or diopter from διόπτρα) is a classical astronomical and surveying instrument, dating from the 3rd century BCE.
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Director (military)
A director, also called an auxiliary predictor, is a mechanical or electronic computer that continuously calculates trigonometric firing solutions for use against a moving target, and transmits targeting data to direct the weapon firing crew.
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Division (mathematics)
Division is one of the four basic operations of arithmetic, the others being addition, subtraction, and multiplication.
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Donald Hill
Donald Routledge Hill (August 6, 1922 – May 30, 1994)D.
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Dumaresq
The Dumaresq is a mechanical calculating device invented around 1902 by Lieutenant John Dumaresq of the Royal Navy.
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Dynamic range
Dynamic range, abbreviated DR, DNR, or DYR is the ratio between the largest and smallest values that a certain quantity can assume.
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Dynamical system
In mathematics, a dynamical system is a system in which a function describes the time dependence of a point in a geometrical space.
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Electric current
An electric current is a flow of electric charge.
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Electrical network
An electrical network is an interconnection of electrical components (e.g. batteries, resistors, inductors, capacitors, switches) or a model of such an interconnection, consisting of electrical elements (e.g. voltage sources, current sources, resistances, inductances, capacitances).
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Electronic Associates
Electronic Associates, Inc. (EAI) was founded in 1945 by Lloyd F. Christianson and Arthur L. Adamson and began manufacturing analog computers in 1952.
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Embedded system
An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.
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Exponentiation
Exponentiation is a mathematical operation, written as, involving two numbers, the base and the exponent.
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FERMIAC
The Monte Carlo trolley, or FERMIAC, was an analog computer invented by physicist Enrico Fermi to aid in his studies of neutron transport.
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Field-programmable analog array
A field-programmable analog array (FPAA) is an integrated device containing configurable analog blocks (CAB) and interconnects between these blocks.
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Figure of merit
A figure of merit is a quantity used to characterize the performance of a device, system or method, relative to its alternatives.
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Fire-control system
A fire-control system is a number of components working together, usually a gun data computer, a director, and radar, which is designed to assist a weapon system in hitting its target.
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Flight computer
Flight computer, or simply the "whiz wheel", is a form of circular slide rule used in aviation and one of a very few analog computers in widespread use in the 21st century.
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French Alternative Energies and Atomic Energy Commission
The French Alternative Energies and Atomic Energy Commission or CEA (French: Commissariat à l'énergie atomique et aux énergies alternatives), is a French public government-funded research organisation in the areas of energy, defense and security, information technologies and health technologies.
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Function (mathematics)
In mathematics, a function was originally the idealization of how a varying quantity depends on another quantity.
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Function generator
A function generator is usually a piece of electronic test equipment or software used to generate different types of electrical waveforms over a wide range of frequencies.
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Gear
A gear or cogwheel is a rotating machine part having cut like teeth, or cogs, which mesh with another toothed part to transmit torque.
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Gear train
A gear train is a mechanical system formed by mounting gears on a frame so the teeth of the gears engage.
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General Electric
General Electric Company (GE) is an American multinational conglomerate incorporated in New York and headquartered in Boston, Massachusetts.
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General purpose analog computer
The General Purpose Analog Computer (GPAC) is a mathematical model of analog computers first introduced in 1941 by Claude Shannon.
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Gun data computer
The gun data computer was a series of artillery computers used by the U.S. Army for coastal artillery, field artillery and antiaircraft artillery applications.
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Heathkit
Heathkit is the brand name of kits and other electronic products produced and marketed by the Heath Company.
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Hellenistic period
The Hellenistic period covers the period of Mediterranean history between the death of Alexander the Great in 323 BC and the emergence of the Roman Empire as signified by the Battle of Actium in 31 BC and the subsequent conquest of Ptolemaic Egypt the following year.
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Helmut Hölzer
Helmut Hoelzer was a Nazi Germany V-2 rocket engineer who was brought to the United States under Operation Paperclip.
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Hipparchus
Hipparchus of Nicaea (Ἵππαρχος, Hipparkhos) was a Greek astronomer, geographer, and mathematician.
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History (U.S. TV network)
History (originally The History Channel from 1995 to 2008) is a history-based digital cable and satellite television network that is owned by A&E Networks, a joint venture between the Hearst Communications and the Disney–ABC Television Group division of the Walt Disney Company.
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History of China
The earliest known written records of the history of China date from as early as 1250 BC,William G. Boltz, Early Chinese Writing, World Archaeology, Vol.
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Hughes Aircraft Company
The Hughes Aircraft Company was a major American aerospace and defense contractor founded in 1932 by Howard Hughes in Glendale, California as a division of Hughes Tool Company.
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Hybrid computer
Hybrid computers are computers that exhibit features of analog computers and Digital computers.
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Hydraulics
Hydraulics (from Greek: Υδραυλική) is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids.
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Hydropower
Hydropower or water power (from ύδωρ, "water") is power derived from the energy of falling water or fast running water, which may be harnessed for useful purposes.
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Imperial Russian Navy
The Imperial Russian Navy was the navy of the Russian Empire.
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Inductor
An inductor, also called a coil, choke or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it.
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Integral
In mathematics, an integral assigns numbers to functions in a way that can describe displacement, area, volume, and other concepts that arise by combining infinitesimal data.
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Integrator
An integrator in measurement and control applications is an element whose output signal is the time integral of its input signal.
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Iran
Iran (ایران), also known as Persia, officially the Islamic Republic of Iran (جمهوری اسلامی ایران), is a sovereign state in Western Asia. With over 81 million inhabitants, Iran is the world's 18th-most-populous country. Comprising a land area of, it is the second-largest country in the Middle East and the 17th-largest in the world. Iran is bordered to the northwest by Armenia and the Republic of Azerbaijan, to the north by the Caspian Sea, to the northeast by Turkmenistan, to the east by Afghanistan and Pakistan, to the south by the Persian Gulf and the Gulf of Oman, and to the west by Turkey and Iraq. The country's central location in Eurasia and Western Asia, and its proximity to the Strait of Hormuz, give it geostrategic importance. Tehran is the country's capital and largest city, as well as its leading economic and cultural center. Iran is home to one of the world's oldest civilizations, beginning with the formation of the Elamite kingdoms in the fourth millennium BCE. It was first unified by the Iranian Medes in the seventh century BCE, reaching its greatest territorial size in the sixth century BCE, when Cyrus the Great founded the Achaemenid Empire, which stretched from Eastern Europe to the Indus Valley, becoming one of the largest empires in history. The Iranian realm fell to Alexander the Great in the fourth century BCE and was divided into several Hellenistic states. An Iranian rebellion culminated in the establishment of the Parthian Empire, which was succeeded in the third century CE by the Sasanian Empire, a leading world power for the next four centuries. Arab Muslims conquered the empire in the seventh century CE, displacing the indigenous faiths of Zoroastrianism and Manichaeism with Islam. Iran made major contributions to the Islamic Golden Age that followed, producing many influential figures in art and science. After two centuries, a period of various native Muslim dynasties began, which were later conquered by the Turks and the Mongols. The rise of the Safavids in the 15th century led to the reestablishment of a unified Iranian state and national identity, with the country's conversion to Shia Islam marking a turning point in Iranian and Muslim history. Under Nader Shah, Iran was one of the most powerful states in the 18th century, though by the 19th century, a series of conflicts with the Russian Empire led to significant territorial losses. Popular unrest led to the establishment of a constitutional monarchy and the country's first legislature. A 1953 coup instigated by the United Kingdom and the United States resulted in greater autocracy and growing anti-Western resentment. Subsequent unrest against foreign influence and political repression led to the 1979 Revolution and the establishment of an Islamic republic, a political system that includes elements of a parliamentary democracy vetted and supervised by a theocracy governed by an autocratic "Supreme Leader". During the 1980s, the country was engaged in a war with Iraq, which lasted for almost nine years and resulted in a high number of casualties and economic losses for both sides. According to international reports, Iran's human rights record is exceptionally poor. The regime in Iran is undemocratic, and has frequently persecuted and arrested critics of the government and its Supreme Leader. Women's rights in Iran are described as seriously inadequate, and children's rights have been severely violated, with more child offenders being executed in Iran than in any other country in the world. Since the 2000s, Iran's controversial nuclear program has raised concerns, which is part of the basis of the international sanctions against the country. The Joint Comprehensive Plan of Action, an agreement reached between Iran and the P5+1, was created on 14 July 2015, aimed to loosen the nuclear sanctions in exchange for Iran's restriction in producing enriched uranium. Iran is a founding member of the UN, ECO, NAM, OIC, and OPEC. It is a major regional and middle power, and its large reserves of fossil fuels – which include the world's largest natural gas supply and the fourth-largest proven oil reserves – exert considerable influence in international energy security and the world economy. The country's rich cultural legacy is reflected in part by its 22 UNESCO World Heritage Sites, the third-largest number in Asia and eleventh-largest in the world. Iran is a multicultural country comprising numerous ethnic and linguistic groups, the largest being Persians (61%), Azeris (16%), Kurds (10%), and Lurs (6%).
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Isfahan
Isfahan (Esfahān), historically also rendered in English as Ispahan, Sepahan, Esfahan or Hispahan, is the capital of Isfahan Province in Iran, located about south of Tehran.
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Ismail al-Jazari
Badīʿ az-Zaman Abū l-ʿIzz ibn Ismāʿīl ibn ar-Razāz al-Jazarī (1136–1206, بديع الزمان أَبُو اَلْعِزِ بْنُ إسْماعِيلِ بْنُ الرِّزاز الجزري) was a Muslim polymath: a scholar, inventor, mechanical engineer, artisan, artist and mathematician.
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James Thomson (engineer)
Professor James Thomson FRS FRSE LLD (16 February 1822 – 8 May 1892) was an engineer and physicist whose reputation is substantial though it is overshadowed by that of his younger brother William Thomson (Lord Kelvin).
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John Saumarez Dumaresq
Rear Admiral John Saumarez Dumaresq (26 October 1873 – 22 July 1922) was an officer in the Royal Navy.
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Kerrison Predictor
The Kerrison Predictor was one of the first fully automated anti-aircraft fire-control systems.
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Korean War
The Korean War (in South Korean, "Korean War"; in North Korean, "Fatherland: Liberation War"; 25 June 1950 – 27 July 1953) was a war between North Korea (with the support of China and the Soviet Union) and South Korea (with the principal support of the United States).
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Kythira
Kythira (Κύθηρα, also transliterated as Cythera, Kythera and Kithira) is an island in Greece lying opposite the south-eastern tip of the Peloponnese peninsula.
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Leonardo Torres y Quevedo
Leonardo Torres y Quevedo (28 December 1852 – 18 December 1936) was a Spanish civil engineer and mathematician of the late nineteenth and early twentieth centuries.
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Librascope
Librascope was a Glendale, California, division of General Precision, Inc..
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Lockheed Corporation
The Lockheed Corporation was an American aerospace company.
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Logarithm
In mathematics, the logarithm is the inverse function to exponentiation.
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Lotfernrohr 7
The Carl Zeiss Lotfernrohr 7 (Lot meant "Vertical" and Fernrohr meant "Telescope"), or Lotfe 7, was the primary series of bombsights used in most Luftwaffe level bombers, similar to the United States' Norden bombsight, but much simpler to operate and maintain.
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Lunisolar calendar
A lunisolar calendar is a calendar in many cultures whose date indicates both the moon phase and the time of the solar year.
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Machine
A machine uses power to apply forces and control movement to perform an intended action.
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Mark I Fire Control Computer
The Mark 1, and later the Mark 1A, Fire Control Computer was a component of the Mark 37 Gun Fire Control System deployed by the United States Navy during World War II and up to 1969 or later.
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Martin Marietta
The Martin Marietta Corporation was an American company founded in 1961 through the merger of Glenn L. Martin Company and American Marietta Corporation.
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Matra
Mécanique Aviation Traction or Matra (Mécanique Aviation Traction) was a French company covering a wide range of activities mainly related to automobiles, bicycles, aeronautics and weaponry.
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Mechanical computer
A mechanical computer is built from mechanical components such as levers and gears, rather than electronic components.
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Mechanics
Mechanics (Greek μηχανική) is that area of science concerned with the behaviour of physical bodies when subjected to forces or displacements, and the subsequent effects of the bodies on their environment.
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Microelectronics
Microelectronics is a subfield of electronics.
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MONIAC
The MONIAC (Monetary National Income Analogue Computer) also known as the Phillips Hydraulic Computer and the Financephalograph, was created in 1949 by the New Zealand economist Bill Phillips (William Phillips) to model the national economic processes of the United Kingdom, while Phillips was a student at the London School of Economics (LSE).
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Multiplication
Multiplication (often denoted by the cross symbol "×", by a point "⋅", by juxtaposition, or, on computers, by an asterisk "∗") is one of the four elementary mathematical operations of arithmetic; with the others being addition, subtraction and division.
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NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
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Network analyzer (AC power)
From 1929 to the late 1960s, large alternating current power systems were modelled and studied on AC network analyzers (also called alternating current network calculators or AC calculating boards) or transient network analyzers.
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Noise (electronics)
In electronics, noise is an unwanted disturbance in an electrical signal.
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Noise floor
In signal theory, the noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a measurement system, where noise is defined as any signal other than the one being monitored.
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Nomogram
A nomogram (from Greek νόμος nomos, "law" and γραμμή grammē, "line"), also called a nomograph, alignment chart or abaque, is a graphical calculating device, a two-dimensional diagram designed to allow the approximate graphical computation of a mathematical function.
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Nonlinear system
In mathematics and science, a nonlinear system is a system in which the change of the output is not proportional to the change of the input.
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Norden bombsight
The Norden Mk.
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Numerical method
In numerical analysis, a numerical method is a mathematical tool designed to solve numerical problems.
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Operational amplifier
An operational amplifier (often op-amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output.
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Orrery
An orrery is a mechanical model of the solar system that illustrates or predicts the relative positions and motions of the planets and moons, usually according to the heliocentric model.
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Oscilloscope
An oscilloscope, previously called an oscillograph, and informally known as a scope or o-scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.
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Peenemünde Army Research Center
The Peenemünde Army Research Centre (Heeresversuchsanstalt Peenemünde, HVP) was founded in 1937 as one of five military proving grounds under the German Army Weapons Office (Heereswaffenamt).
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Planimeter
A planimeter, also known as a platometer, is a measuring instrument used to determine the area of an arbitrary two-dimensional shape.
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Planisphere
In astronomy, a planisphere is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot.
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Plotter
The plotter is a computer printer for printing vector graphics.
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Potentiometer
A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider.
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Pressure
Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
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Princeton, New Jersey
Princeton is a municipality with a borough form of government in Mercer County, New Jersey, United States, that was established in its current form on January 1, 2013, through the consolidation of the Borough of Princeton and Princeton Township.
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Process control
Automatic process control in continuous production processes is a combination of control engineering and chemical engineering disciplines that uses industrial control systems to achieve a production level of consistency, economy and safety which could not be achieved purely by human manual control.
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Protective relay
In electrical engineering, a protective relay is a relay device designed to trip a circuit breaker when a fault is detected.
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Quantization (signal processing)
Quantization, in mathematics and digital signal processing, is the process of mapping input values from a large set (often a continuous set) to output values in a (countable) smaller set.
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Rangekeeper
Rangekeepers were electromechanical fire control computers used primarily during the early part of the 20th century.
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Real-time computing
In computer science, real-time computing (RTC), or reactive computing describes hardware and software systems subject to a "real-time constraint", for example from event to system response.
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Resistor
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
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Royal Navy
The Royal Navy (RN) is the United Kingdom's naval warfare force.
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Scanimate
Scanimate is the name for an analog computer animation (video synthesizer) system developed from the late 1960s to the 1980s by Computer Image Corporation of Denver, Colorado.
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Scientific modelling
Scientific modelling is a scientific activity, the aim of which is to make a particular part or feature of the world easier to understand, define, quantify, visualize, or simulate by referencing it to existing and usually commonly accepted knowledge.
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Scotch yoke
The Scotch yoke (also known as slotted link mechanism) is a reciprocating motion mechanism, converting the linear motion of a slider into rotational motion, or vice versa.
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Sector (instrument)
The sector, also known as a proportional compass or military compass, was a major calculating instrument in use from the end of the sixteenth century until the nineteenth century.
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Signal
A signal as referred to in communication systems, signal processing, and electrical engineering is a function that "conveys information about the behavior or attributes of some phenomenon".
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Slide rule
The slide rule, also known colloquially in the United States as a slipstick, is a mechanical analog computer.
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South-pointing chariot
The south-pointing chariot (or carriage) was an ancient Chinese two-wheeled vehicle that carried a movable pointer to indicate the south, no matter how the chariot turned.
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Spaghetti
Spaghetti is a long, thin, solid, cylindrical pasta.
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Spaghetti sort
Spaghetti sort is a linear-time, analog algorithm for sorting a sequence of items, introduced by Alexander Dewdney in his Scientific American column.
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Spherical astronomy
Spherical astronomy or positional astronomy is the branch of astronomy that is used to determine the location of objects on the celestial sphere, as seen at a particular date, time, and location on Earth.
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Spring (device)
A spring is an elastic object that stores mechanical energy.
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Star chart
A star chart or star map, also called a sky chart or sky map, is a map of the night sky.
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Synthetic-aperture radar
Synthetic-aperture radar (SAR) is a form of radar that is used to create two- or three-dimensional images of objects, such as landscapes.
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Temperature coefficient
A temperature coefficient describes the relative change of a physical property that is associated with a given change in temperature.
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Tide-predicting machine
A tide-predicting machine was a special-purpose mechanical analog computer of the late 19th and early 20th centuries, constructed and set up to predict the ebb and flow of sea tides and the irregular variations in their heights – which change in mixtures of rhythms, that never (in the aggregate) repeat themselves exactly.
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Torpedo Data Computer
The Torpedo Data Computer (TDC) was an early electromechanical analog computer used for torpedo fire-control on American submarines during World War II.
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Torque amplifier
A torque amplifier is a mechanical device that amplifies the torque of a rotating shaft without affecting its rotational speed.
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Torquetum
The torquetum or turquet is a medieval astronomical instrument designed to take and convert measurements made in three sets of coordinates: Horizon, equatorial, and ecliptic.
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Transcendental function
A transcendental function is an analytic function that does not satisfy a polynomial equation, in contrast to an algebraic function.
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Tuncer Őren
Tuncer Ören (born c. 1935 in İstanbul) is Turkish Canadian systems engineer, professor emeritus of Computer Science at the School of Electrical Engineering and Computer Science (EECS) of the University of Ottawa, Canada, and Director, The McLeod Modeling and Simulation Network (M&SNet) of the SCS.
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Turing machine
A Turing machine is a mathematical model of computation that defines an abstract machine, which manipulates symbols on a strip of tape according to a table of rules.
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UNESCO
The United Nations Educational, Scientific and Cultural Organization (UNESCO; Organisation des Nations unies pour l'éducation, la science et la culture) is a specialized agency of the United Nations (UN) based in Paris.
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University of Texas Press
The University of Texas Press (or UT Press) is a university press that is part of the University of Texas at Austin.
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V-2 rocket
The V-2 (Vergeltungswaffe 2, "Retribution Weapon 2"), technical name Aggregat 4 (A4), was the world's first long-range guided ballistic missile.
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Vannevar Bush
Vannevar Bush (March 11, 1890 – June 28, 1974) was an American engineer, inventor and science administrator, who during World War II headed the U.S. Office of Scientific Research and Development (OSRD), through which almost all wartime military R&D was carried out, including initiation and early administration of the Manhattan Project.
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Very-large-scale integration
Very-large-scale integration (VLSI) is the process of creating an integrated circuit (IC) by combining hundreds of thousands of transistors or devices into a single chip.
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Vickers range clock
The Vickers Range Clock was a clockwork device used by the Royal Navy for continuously calculating the range to an enemy ship.
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Vietnam War
The Vietnam War (Chiến tranh Việt Nam), also known as the Second Indochina War, and in Vietnam as the Resistance War Against America (Kháng chiến chống Mỹ) or simply the American War, was a conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975.
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Voltage
Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.
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Volumetric flow rate
In physics and engineering, in particular fluid dynamics and hydrometry, the volumetric flow rate (also known as volume flow rate, rate of fluid flow or volume velocity) is the volume of fluid which passes per unit time; usually represented by the symbol (sometimes). The SI unit is m3/s (cubic metres per second).
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Voskhod Spacecraft "Globus" IMP navigation instrument
Globus IMP instruments were spacecraft navigation instruments used in Soviet and Russian manned spacecraft.
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Water integrator
The Water Integrator (Гидравлический интегратор) was an early analog computer built in the Soviet Union in 1936 by Vladimir Lukyanov.
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Westinghouse Electric Corporation
The Westinghouse Electric Corporation was an American manufacturing company.
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William Thomson, 1st Baron Kelvin
William Thomson, 1st Baron Kelvin, (26 June 1824 – 17 December 1907) was a Scots-Irish mathematical physicist and engineer who was born in Belfast in 1824.
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Wire
A wire is a single, usually cylindrical, flexible strand or rod of metal.
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World War I
World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
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World War II
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
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Redirects here:
ANALOG COMPUTER, Analog Computer, Analog computation, Analog computers, Analog computing, Analogue Computer, Analogue Computers, Analogue computer, Electronic analog computer, Electronic analogue computer, List of analog computers.
References
[1] https://en.wikipedia.org/wiki/Analog_computer
