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Hertz

Index Hertz

The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. [1]

Table of Contents

  1. 75 relations: Adult, Alternating current, Angular frequency, Angular velocity, Apple Inc., Atari, Bandwidth (signal processing), Becquerel, Bus (computing), Caesium, Central processing unit, CJK Compatibility, Clock rate, Clock signal, Commodore International, Cycle per second, Electromagnetic radiation, Electromagnetic spectrum, Electromagnetism, Electronic tuner, Energy, FLOPS, Frequency, Frequency changer, Front-side bus, Gamma ray, General Conference on Weights and Measures, Heart rate, Heinrich Hertz, IBM Power microprocessors, Infrared, Infrasound, International Bureau of Weights and Measures, International Electrotechnical Commission, International System of Units, Inverse second, Light, Longitudinal wave, Megahertz myth, Metric prefix, Molecular vibration, Multiplicative inverse, Musical note, Musical tone, Normalized frequency (signal processing), Northbridge (computing), Orders of magnitude (frequency), Oscillation, Periodic function, Phonon, ... Expand index (25 more) »

  2. Heinrich Hertz
  3. SI derived units
  4. Units of frequency

Adult

An adult is a human or other animal that has reached full growth.

See Hertz and Adult

Alternating current

Alternating current (AC) is an electric current that periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current (DC), which flows only in one direction.

See Hertz and Alternating current

Angular frequency

In physics, angular frequency (symbol ω), also called angular speed and angular rate, is a scalar measure of the angle rate (the angle per unit time) or the temporal rate of change of the phase argument of a sinusoidal waveform or sine function (for example, in oscillations and waves).

See Hertz and Angular frequency

Angular velocity

In physics, angular velocity (symbol or \vec, the lowercase Greek letter omega), also known as angular frequency vector,(UP1) is a pseudovector representation of how the angular position or orientation of an object changes with time, i.e. how quickly an object rotates (spins or revolves) around an axis of rotation and how fast the axis itself changes direction.

See Hertz and Angular velocity

Apple Inc.

Apple Inc. is an American multinational corporation and technology company headquartered in Cupertino, California, in Silicon Valley.

See Hertz and Apple Inc.

Atari

Atari is a brand name that has been owned by several entities since its inception in 1972.

See Hertz and Atari

Bandwidth (signal processing)

Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.

See Hertz and Bandwidth (signal processing)

Becquerel

The becquerel (symbol: Bq) is the unit of radioactivity in the International System of Units (SI). Hertz and becquerel are sI derived units and units of frequency.

See Hertz and Becquerel

Bus (computing)

In computer architecture, a bus (historically also called data highway or databus) is a communication system that transfers data between components inside a computer, or between computers.

See Hertz and Bus (computing)

Caesium

Caesium (IUPAC spelling; cesium in American English) is a chemical element; it has symbol Cs and atomic number 55.

See Hertz and Caesium

Central processing unit

A central processing unit (CPU), also called a central processor, main processor, or just processor, is the most important processor in a given computer.

See Hertz and Central processing unit

CJK Compatibility

CJK Compatibility is a Unicode block containing square symbols (both CJK and Latin alphanumeric) encoded for compatibility with East Asian character sets.

See Hertz and CJK Compatibility

Clock rate

In computing, the clock rate or clock speed typically refers to the frequency at which the clock generator of a processor can generate pulses, which are used to synchronize the operations of its components, and is used as an indicator of the processor's speed.

See Hertz and Clock rate

Clock signal

In electronics and especially synchronous digital circuits, a clock signal (historically also known as logic beat) is an electronic logic signal (voltage or current) which oscillates between a high and a low state at a constant frequency and is used like a metronome to synchronize actions of digital circuits.

See Hertz and Clock signal

Commodore International

Commodore International Corporation (other names include Commodore International Limited) was a Bahamian home computer and electronics manufacturer with executive offices in the United States founded by Jack Tramiel and Irving Gould. Commodore International (CI), along with its subsidiary Commodore Business Machines (CBM), was a significant participant in the development of the home computer industry in the 1970s to early 1990s.

See Hertz and Commodore International

Cycle per second

The cycle per second is a once-common English name for the unit of frequency now known as the hertz (Hz). Hertz and cycle per second are units of frequency.

See Hertz and Cycle per second

Electromagnetic radiation

In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, which propagate through space and carry momentum and electromagnetic radiant energy. Hertz and electromagnetic radiation are Heinrich Hertz.

See Hertz and Electromagnetic radiation

Electromagnetic spectrum

The electromagnetic spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength.

See Hertz and Electromagnetic spectrum

Electromagnetism

In physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields.

See Hertz and Electromagnetism

Electronic tuner

In music, an electronic tuner is a device that detects and displays the pitch of musical notes played on a musical instrument.

See Hertz and Electronic tuner

Energy

Energy is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light.

See Hertz and Energy

FLOPS

Floating point operations per second (FLOPS, flops or flop/s) is a measure of computer performance in computing, useful in fields of scientific computations that require floating-point calculations. Hertz and FLOPS are units of frequency.

See Hertz and FLOPS

Frequency

Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time.

See Hertz and Frequency

Frequency changer

A frequency changer or frequency converter is an electronic or electromechanical device that converts alternating current (AC) of one frequency to alternating current of another frequency.

See Hertz and Frequency changer

Front-side bus

The front-side bus (FSB) is a computer communication interface (bus) that was often used in Intel-chip-based computers during the 1990s and 2000s.

See Hertz and Front-side bus

Gamma ray

A gamma ray, also known as gamma radiation (symbol), is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei.

See Hertz and Gamma ray

General Conference on Weights and Measures

The General Conference on Weights and Measures (abbreviated CGPM from the Conférence générale des poids et mesures) is the supreme authority of the International Bureau of Weights and Measures (BIPM), the intergovernmental organization established in 1875 under the terms of the Metre Convention through which member states act together on matters related to measurement science and measurement standards.

See Hertz and General Conference on Weights and Measures

Heart rate

Heart rate is the frequency of the heartbeat measured by the number of contractions of the heart per minute (beats per minute, or bpm).

See Hertz and Heart rate

Heinrich Hertz

Heinrich Rudolf Hertz (22 February 1857 – 1 January 1894) was a German physicist who first conclusively proved the existence of the electromagnetic waves predicted by James Clerk Maxwell's equations of electromagnetism.

See Hertz and Heinrich Hertz

IBM Power microprocessors

IBM Power microprocessors (originally POWER prior to Power10) are designed and sold by IBM for servers and supercomputers.

See Hertz and IBM Power microprocessors

Infrared

Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves.

See Hertz and Infrared

Infrasound

Infrasound, sometimes referred to as low frequency sound, describes sound waves with a frequency below the lower limit of human audibility (generally 20 Hz, as defined by the ANSI/ASA S1.1-2013 standard).

See Hertz and Infrasound

International Bureau of Weights and Measures

The International Bureau of Weights and Measures (Bureau international des poids et mesures, BIPM) is an intergovernmental organisation, through which its 59 member-states act on measurement standards in areas including chemistry, ionising radiation, physical metrology, as well as the International System of Units (SI) and Coordinated Universal Time (UTC).

See Hertz and International Bureau of Weights and Measures

International Electrotechnical Commission

The International Electrotechnical Commission (IEC; Commission électrotechnique internationale) is an international standards organization that prepares and publishes international standards for all electrical, electronic and related technologies – collectively known as "electrotechnology".

See Hertz and International Electrotechnical Commission

International System of Units

The International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement.

See Hertz and International System of Units

Inverse second

The inverse second or reciprocal second (s−1), also called per second, is a unit defined as the multiplicative inverse of the second (a unit of time). Hertz and inverse second are units of frequency.

See Hertz and Inverse second

Light

Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye.

See Hertz and Light

Longitudinal wave

Longitudinal waves are waves in which the vibration of the medium is parallel to the direction the wave travels and displacement of the medium is in the same (or opposite) direction of the wave propagation.

See Hertz and Longitudinal wave

Megahertz myth

The megahertz myth, or in more recent cases the gigahertz myth, refers to the misconception of only using clock rate (for example measured in megahertz or gigahertz) to compare the performance of different microprocessors.

See Hertz and Megahertz myth

Metric prefix

A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit.

See Hertz and Metric prefix

Molecular vibration

A molecular vibration is a periodic motion of the atoms of a molecule relative to each other, such that the center of mass of the molecule remains unchanged.

See Hertz and Molecular vibration

Multiplicative inverse

In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/x or x−1, is a number which when multiplied by x yields the multiplicative identity, 1.

See Hertz and Multiplicative inverse

Musical note

In music, notes are distinct and isolatable sounds that act as the most basic building blocks for nearly all of music.

See Hertz and Musical note

Musical tone

Traditionally in Western music, a musical tone is a steady periodic sound.

See Hertz and Musical tone

Normalized frequency (signal processing)

In digital signal processing (DSP), a normalized frequency is a ratio of a variable frequency (f) and a constant frequency associated with a system (such as a sampling rate, f_s).

See Hertz and Normalized frequency (signal processing)

Northbridge (computing)

In computing, a northbridge (also host bridge, or memory controller hub) is a microchip that comprises the core logic chipset architecture on motherboards to handle high-performance tasks, especially for older personal computers.

See Hertz and Northbridge (computing)

Orders of magnitude (frequency)

The following list illustrates various frequencies, measured in hertz, according to decade in the order of their magnitudes, with the negative decades illustrated by events and positive decades by acoustic or electromagnetic uses.

See Hertz and Orders of magnitude (frequency)

Oscillation

Oscillation is the repetitive or periodic variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states.

See Hertz and Oscillation

Periodic function

A periodic function or cyclic function, also called a periodic waveform (or simply periodic wave), is a function that repeats its values at regular intervals or periods.

See Hertz and Periodic function

Phonon

A phonon is a collective excitation in a periodic, elastic arrangement of atoms or molecules in condensed matter, specifically in solids and some liquids.

See Hertz and Phonon

Photon

A photon is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force.

See Hertz and Photon

Photon energy

Photon energy is the energy carried by a single photon.

See Hertz and Photon energy

Pitch (music)

Pitch is a perceptual property that allows sounds to be ordered on a frequency-related scale, or more commonly, pitch is the quality that makes it possible to judge sounds as "higher" and "lower" in the sense associated with musical melodies.

See Hertz and Pitch (music)

Planck constant

The Planck constant, or Planck's constant, denoted by is a fundamental physical constant of foundational importance in quantum mechanics: a photon's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle momentum.

See Hertz and Planck constant

Planck relation

The Planck relationFrench & Taylor (1978), pp.

See Hertz and Planck relation

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.

See Hertz and Pressure

Radian

The radian, denoted by the symbol rad, is the unit of angle in the International System of Units (SI) and is the standard unit of angular measure used in many areas of mathematics. Hertz and radian are sI derived units.

See Hertz and Radian

Radian per second

The radian per second (symbol: rad⋅s−1 or rad/s) is the unit of angular velocity in the International System of Units (SI). Hertz and radian per second are sI derived units.

See Hertz and Radian per second

Radio

Radio is the technology of communicating using radio waves.

See Hertz and Radio

Radioactive decay

Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation.

See Hertz and Radioactive decay

Rate (mathematics)

In mathematics, a rate is the quotient of two quantities in different units of measurement, often represented as a fraction.

See Hertz and Rate (mathematics)

Revolutions per minute

Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or r⋅min−1) is a unit of rotational speed (or rotational frequency) for rotating machines. Hertz and Revolutions per minute are units of frequency.

See Hertz and Revolutions per minute

Rotational frequency

Rotational frequency, also known as rotational speed or rate of rotation (symbols ν, lowercase Greek nu, and also n), is the frequency of rotation of an object around an axis.

See Hertz and Rotational frequency

Sampling (signal processing)

In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal.

See Hertz and Sampling (signal processing)

Second

The second (symbol: s) is the unit of time in the International System of Units (SI), historically defined as of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each (24 × 60 × 60.

See Hertz and Second

SI base unit

The SI base units are the standard units of measurement defined by the International System of Units (SI) for the seven base quantities of what is now known as the International System of Quantities: they are notably a basic set from which all other SI units can be derived.

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SI derived unit

SI derived units are units of measurement derived from the seven SI base units specified by the International System of Units (SI). Hertz and sI derived unit are sI derived units.

See Hertz and SI derived unit

Sound

In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid.

See Hertz and Sound

Square wave

A square wave is a non-sinusoidal periodic waveform in which the amplitude alternates at a steady frequency between fixed minimum and maximum values, with the same duration at minimum and maximum.

See Hertz and Square wave

Stochastic

Stochastic refers to the property of being well-described by a random probability distribution.

See Hertz and Stochastic

Terahertz radiation

Terahertz radiation – also known as submillimeter radiation, terahertz waves, tremendously high frequency (THF), T-rays, T-waves, T-light, T-lux or THz – consists of electromagnetic waves within the ITU-designated band of frequencies from 0.3 to 3 terahertz (THz), although the upper boundary is somewhat arbitrary and is considered by some sources as 30 THz.

See Hertz and Terahertz radiation

Ultrasound

Ultrasound is sound with frequencies greater than 20 kilohertz.

See Hertz and Ultrasound

Ultraviolet

Ultraviolet (UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays.

See Hertz and Ultraviolet

Unicode

Unicode, formally The Unicode Standard, is a text encoding standard maintained by the Unicode Consortium designed to support the use of text in all of the world's writing systems that can be digitized.

See Hertz and Unicode

Wavelength

In physics and mathematics, wavelength or spatial period of a wave or periodic function is the distance over which the wave's shape repeats.

See Hertz and Wavelength

See also

Heinrich Hertz

SI derived units

Units of frequency

References

[1] https://en.wikipedia.org/wiki/Hertz

Also known as 1 E3 Hz, 10,000 hertz, Attohertz, Centihertz, DaHz, Decahertz, Decihertz, EHz, Exahertz, Femtohertz, GHz, Gigahertz, Gihz, Hectohertz, Hertez, Hertz (frequency), Hertz (unit), Hertz unit, Hz, KHZ, Khertz, Kilohertz, MHZ, MegaHertz, Megacycles, Microhertz, Millihertz, Nanohertz, PHz, Petahertz, Picohertz, Quectohertz, Quettahertz, Ronnahertz, Rontohertz, Terahertz (unit), Tetrahertz, Yoctohertz, Yottahertz, ZHz, Zeptohertz, Zettahertz, .

, Photon, Photon energy, Pitch (music), Planck constant, Planck relation, Pressure, Radian, Radian per second, Radio, Radioactive decay, Rate (mathematics), Revolutions per minute, Rotational frequency, Sampling (signal processing), Second, SI base unit, SI derived unit, Sound, Square wave, Stochastic, Terahertz radiation, Ultrasound, Ultraviolet, Unicode, Wavelength.