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39 relations: Analog computer, Analog device, Analog recording, Analog signal processing, Analog-to-digital converter, Audio signal, Barometer, Classical mechanics, Coaxial cable, Communication channel, Digital audio, Digital signal (signal processing), Digital video, Discrete space, Discrete time and continuous time, Distortion, Electric current, Frequency, Generation loss, Hydraulics, Intermodulation, Light, Magnetic tape, Microphone, Noise (electronics), Pneumatics, Pressure, Quantization (signal processing), Signal, Signal processing, Signal-to-noise ratio, Sound, Sound pressure, Temperature, Transducer, Twisted pair, Video, Videotape, Voltage.
Analog computer
An analog computer or analogue computer is a form of computer that uses the continuously changeable aspects of physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved.
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Analog device
Analog device is usually a combination of both analog machine and analog media that can together measure, record, reproduce, or broadcast continuous information, for example, the almost infinite number of grades of transparency, voltage, resistance, rotation, or pressure.
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Analog recording
Analog recording (Greek, ana is "according to" and logos "relationship") is a technique used for the recording of analog signals which, among many possibilities, allows analog audio and analog video for later playback.
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Analog signal processing
Analog signal processing is a type of signal processing conducted on continuous analog signals by some analog means (as opposed to the discrete Digital Signal Processing where the signal processing is carried out by a digital process).
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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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Audio signal
An audio signal is a representation of sound, typically as an electrical voltage for analog signals and a binary number for digital signals.
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Barometer
A barometer is a scientific instrument used in meteorology to measure atmospheric pressure.
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Classical mechanics
Classical mechanics describes the motion of macroscopic objects, from projectiles to parts of machinery, and astronomical objects, such as spacecraft, planets, stars and galaxies.
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Coaxial cable
Cross-sectional view of a coaxial cable Coaxial cable, or coax (pronounced), is a type of electrical cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield.
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Communication channel
A communication channel or simply channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking.
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Digital audio
Digital audio is audio, or simply sound, signal that has been recorded as or converted into digital form, where the sound wave of the audio signal is encoded as numerical samples in continuous sequence, typically at CD audio quality which is 16 bit sample depth over 44.1 thousand samples per second.
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Digital signal (signal processing)
In the context of digital signal processing (DSP), a digital signal is a discrete-time signal for which not only the time but also the amplitude has discrete values; in other words, its samples take on only values from a discrete set (a countable set that can be mapped one-to-one to a subset of integers).
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Digital video
Digital video is an electronic representation of moving visual images (video) in the form of encoded digital data.
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Discrete space
In topology, a discrete space is a particularly simple example of a topological space or similar structure, one in which the points form a discontinuous sequence, meaning they are isolated from each other in a certain sense.
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Discrete time and continuous time
In mathematics and in particular mathematical dynamics, discrete time and continuous time are two alternative frameworks within which to model variables that evolve over time.
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Distortion
Distortion is the alteration of the original shape (or other characteristic) of something.
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Electric current
An electric current is a flow of electric charge.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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Generation loss
Generation loss is the loss of quality between subsequent copies or transcodes of data.
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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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Intermodulation
Intermodulation (IM) or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies, caused by nonlinearities in a system.
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Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
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Magnetic tape
Magnetic tape is a medium for magnetic recording, made of a thin, magnetizable coating on a long, narrow strip of plastic film.
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Microphone
A microphone, colloquially nicknamed mic or mike, is a transducer that converts sound into an electrical signal.
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Noise (electronics)
In electronics, noise is an unwanted disturbance in an electrical signal.
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Pneumatics
Pneumatics (From Greek: πνεύμα) is a branch of engineering that makes use of gas or pressurized air.
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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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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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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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Signal processing
Signal processing concerns the analysis, synthesis, and modification of signals, which are broadly defined as functions conveying "information about the behavior or attributes of some phenomenon", such as sound, images, and biological measurements.
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Signal-to-noise ratio
Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.
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Sound
In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.
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Sound pressure
Sound pressure or acoustic pressure is the local pressure deviation from the ambient (average or equilibrium) atmospheric pressure, caused by a sound wave.
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Temperature
Temperature is a physical quantity expressing hot and cold.
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Transducer
A transducer is a device that converts energy from one form to another.
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Twisted pair
Twisted pair cabling is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility.
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Video
Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media.
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Videotape
Videotape is magnetic tape used for storing video and usually sound in addition.
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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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