en.unionpedia.org

Analog signal, the Glossary

Index Analog signal

An analog signal is any continuous-time signal representing some other quantity, i.e., analogous to another quantity.[1]

Table of Contents

  1. 46 relations: Amplifier, Analog computer, Analog device, Analog recording, Analog signal processing, Analog-to-digital converter, Audio signal, Balanced line, Barometer, Classical mechanics, Communication channel, Digital signal, Discrete time and continuous time, Distortion, Dynamic range, Electric current, Electricity, Electromagnetic shielding, Error detection and correction, Frequency, Generation loss, Hydraulics, Intermodulation, Light, Low-noise amplifier, Magnetic tape, Microphone, Noise (electronics), Noise (video), Nyquist frequency, Pneumatics, Preamplifier, Pressure, Quantization (signal processing), Sampling (signal processing), ScienceDirect, Signal processing, Signal-to-noise ratio, Sound, Sound pressure, Tape hiss, Tektronix, Temperature, Transducer, Video, Voltage.

  2. Video signal

Amplifier

An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current).

See Analog signal and Amplifier

Analog computer

An analog computer or analogue computer is a type of computation machine (computer) that uses the continuous variation aspect of physical phenomena such as electrical, mechanical, or hydraulic quantities (analog signals) to model the problem being solved.

See Analog signal and Analog computer

Analog device

Analog devices are a combination of both analog machine and analog media that can together measure, record, reproduce, receive or broadcast continuous information, for example, the almost infinite number of grades of transparency, voltage, resistance, rotation, or pressure. Analog signal and analog device are analog circuits.

See Analog signal and Analog device

Analog recording

Analog recording is a category of techniques used for the recording of analog signals. Analog signal and analog recording are television terminology.

See Analog signal and Analog recording

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).

See Analog signal and Analog signal processing

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.

See Analog signal and Analog-to-digital converter

Audio signal

An audio signal is a representation of sound, typically using either a changing level of electrical voltage for analog signals, or a series of binary numbers for digital signals.

See Analog signal and Audio signal

Balanced line

In telecommunications and professional audio, a balanced line or balanced signal pair is an electrical circuit consisting of two conductors of the same type, both of which have equal impedances along their lengths, to ground, and to other circuits.

See Analog signal and Balanced line

Barometer

A barometer is a scientific instrument that is used to measure air pressure in a certain environment.

See Analog signal and Barometer

Classical mechanics

Classical mechanics is a physical theory describing the motion of objects such as projectiles, parts of machinery, spacecraft, planets, stars, and galaxies.

See Analog signal and Classical mechanics

Communication channel

A communication 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. Analog signal and communication channel are television terminology.

See Analog signal and Communication channel

Digital signal

A digital signal is a signal that represents data as a sequence of discrete values; at any given time it can only take on, at most, one of a finite number of values.

See Analog signal and Digital signal

Discrete time and continuous time

In mathematical dynamics, discrete time and continuous time are two alternative frameworks within which variables that evolve over time are modeled.

See Analog signal and Discrete time and continuous time

Distortion

In signal processing, distortion is the alteration of the original shape (or other characteristic) of a signal.

See Analog signal and Distortion

Dynamic range

Dynamic range (abbreviated DR, DNR, or DYR) is the ratio between the largest and smallest values that a certain quantity can assume.

See Analog signal and Dynamic range

Electric current

An electric current is a flow of charged particles, such as electrons or ions, moving through an electrical conductor or space.

See Analog signal and Electric current

Electricity

Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric charge.

See Analog signal and Electricity

Electromagnetic shielding

In electrical engineering, electromagnetic shielding is the practice of reducing or redirecting the electromagnetic field (EMF) in a space with barriers made of conductive or magnetic materials.

See Analog signal and Electromagnetic shielding

Error detection and correction

In information theory and coding theory with applications in computer science and telecommunication, error detection and correction (EDAC) or error control are techniques that enable reliable delivery of digital data over unreliable communication channels.

See Analog signal and Error detection and correction

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 Analog signal and Frequency

Generation loss

Generation loss is the loss of quality between subsequent copies or transcodes of data.

See Analog signal and Generation loss

Hydraulics

Hydraulics is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids.

See Analog signal and Hydraulics

Intermodulation

Intermodulation (IM) or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies, caused by nonlinearities or time variance in a system.

See Analog signal and Intermodulation

Light

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

See Analog signal and Light

Low-noise amplifier

A low-noise amplifier (LNA) is an electronic component that amplifies a very low-power signal without significantly degrading its signal-to-noise ratio (SNR).

See Analog signal and Low-noise amplifier

Magnetic tape

Magnetic tape is a medium for magnetic storage made of a thin, magnetizable coating on a long, narrow strip of plastic film.

See Analog signal and Magnetic tape

Microphone

A microphone, colloquially called a mic, or mike, is a transducer that converts sound into an electrical signal.

See Analog signal and Microphone

Noise (electronics)

In electronics, noise is an unwanted disturbance in an electrical signal.

See Analog signal and Noise (electronics)

Noise (video)

Noise, commonly known as static, white noise, static noise, or snow, in analog video and television, is a random dot pixel pattern of static displayed when no transmission signal is obtained by the antenna receiver of television sets and other display devices. Analog signal and noise (video) are television terminology.

See Analog signal and Noise (video)

Nyquist frequency

In signal processing, the Nyquist frequency (or folding frequency), named after Harry Nyquist, is a characteristic of a sampler, which converts a continuous function or signal into a discrete sequence.

See Analog signal and Nyquist frequency

Pneumatics

Pneumatics (from Greek πνεῦμα 'wind, breath') is a branch of engineering that makes use of gas or pressurized air.

See Analog signal and Pneumatics

Preamplifier

A preamplifier, also known as a preamp, is an electronic amplifier that converts a weak electrical signal into an output signal strong enough to be noise-tolerant and strong enough for further processing, or for sending to a power amplifier and a loudspeaker.

See Analog signal and Preamplifier

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 Analog signal and Pressure

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, often with a finite number of elements.

See Analog signal and Quantization (signal processing)

Sampling (signal processing)

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

See Analog signal and Sampling (signal processing)

ScienceDirect

ScienceDirect is a website that provides access to a large bibliographic database of scientific and medical publications of the Dutch publisher Elsevier.

See Analog signal and ScienceDirect

Signal processing

Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, images, potential fields, seismic signals, altimetry processing, and scientific measurements.

See Analog signal and Signal processing

Signal-to-noise ratio

Signal-to-noise ratio (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.

See Analog signal and Signal-to-noise ratio

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 Analog signal and Sound

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.

See Analog signal and Sound pressure

Tape hiss

Tape hiss is the high frequency noise present on analogue magnetic tape recordings caused by the size of the magnetic particles used to make the tape.

See Analog signal and Tape hiss

Tektronix

Tektronix, historically widely known as Tek, is an American company best known for manufacturing test and measurement devices such as oscilloscopes, logic analyzers, and video and mobile test protocol equipment.

See Analog signal and Tektronix

Temperature

Temperature is a physical quantity that quantitatively expresses the attribute of hotness or coldness.

See Analog signal and Temperature

Transducer

A transducer is a device that converts energy from one form to another.

See Analog signal and Transducer

Video

Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media. Analog signal and Video are television terminology.

See Analog signal and Video

Voltage

Voltage, also known as (electrical) potential difference, electric pressure, or electric tension is the difference in electric potential between two points.

See Analog signal and Voltage

See also

Video signal

References

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

Also known as Analgoue signal, Analog (signal), Analog communication, Analog signals, Analog waveform, Analogue signal.