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Bandwidth (signal processing), the Glossary

Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.^[1]

65 relations: Antenna (radio), Arithmetic mean, Band-pass filter, Bandwidth (computing), Bandwidth extension, Baseband, Bit rate, Broadband, Broadcast license, Carrier wave, Center frequency, Channel capacity, Channel spacing, Closed-loop transfer function, Communication channel, Control theory, Cutoff frequency, Data communication, Decibel, Electronic filter, Electronics, Federal Communications Commission, FM broadcasting, Frequency, Frequency response, Full width at half maximum, Geometric mean, Half-power point, Hertz, Impulse response, Information, Information theory, Level (logarithmic quantity), Low-pass filter, Modulation, Narrowband, Noise (electronics), Nyquist rate, Nyquist–Shannon sampling theorem, Octave, Parseval's theorem, Passband, Photonics, Plain old telephone service, Radio, Rise time, Shannon–Hartley theorem, Signal, Signal processing, Signal-to-noise ratio, ... Expand index (15 more) »
Filter frequency response
Spectrum (physical sciences)

Antenna (radio)

In radio engineering, an antenna (American English) or aerial (British English) is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.

See Bandwidth (signal processing) and Antenna (radio)

Arithmetic mean

In mathematics and statistics, the arithmetic mean, arithmetic average, or just the mean or average (when the context is clear) is the sum of a collection of numbers divided by the count of numbers in the collection.

See Bandwidth (signal processing) and Arithmetic mean

Band-pass filter

A band-pass filter or bandpass filter (BPF) is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range. Bandwidth (signal processing) and band-pass filter are filter frequency response.

See Bandwidth (signal processing) and Band-pass filter

Bandwidth (computing)

In computing, bandwidth is the maximum rate of data transfer across a given path.

See Bandwidth (signal processing) and Bandwidth (computing)

Bandwidth extension

Bandwidth extension of signal is defined as the deliberate process of expanding the frequency range (bandwidth) of a signal in which it contains an appreciable and useful content, and/or the frequency range in which its effects are such.

See Bandwidth (signal processing) and Bandwidth extension

Baseband

In telecommunications and signal processing, baseband is the range of frequencies occupied by a signal that has not been modulated to higher frequencies. Bandwidth (signal processing) and baseband are signal processing.

See Bandwidth (signal processing) and Baseband

Bit rate

In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.

See Bandwidth (signal processing) and Bit rate

Broadband

In telecommunications, broadband or high speed is the wide-bandwidth data transmission that exploits signals at a wide spread of frequencies or several different simultaneous frequencies, and is used in fast Internet access.

See Bandwidth (signal processing) and Broadband

Broadcast license

A broadcast license is a type of spectrum license granting the licensee permission to use a portion of the radio frequency spectrum in a given geographical area for broadcasting purposes.

See Bandwidth (signal processing) and Broadcast license

Carrier wave

In telecommunications, a carrier wave, carrier signal, or just carrier, is a periodic waveform (usually sinusoidal) that carries no information that has one or more of its properties modified (the called modulation) by an information-bearing signal (called the message signal or modulation signal) for the purpose of conveying information.

See Bandwidth (signal processing) and Carrier wave

Center frequency

In electrical engineering and telecommunications, the center frequency of a filter or channel is a measure of a central frequency between the upper and lower cutoff frequencies. Bandwidth (signal processing) and center frequency are telecommunication theory.

See Bandwidth (signal processing) and Center frequency

Channel capacity

Channel capacity, in electrical engineering, computer science, and information theory, is the theoretical maximum rate at which information can be reliably transmitted over a communication channel. Bandwidth (signal processing) and channel capacity are telecommunication theory.

See Bandwidth (signal processing) and Channel capacity

Channel spacing

Channel spacing, also known as bandwidth, is a term used in radio frequency planning.

See Bandwidth (signal processing) and Channel spacing

Closed-loop transfer function

In control theory, a closed-loop transfer function is a mathematical function describing the net result of the effects of a feedback control loop on the input signal to the plant under control.

See Bandwidth (signal processing) and Closed-loop transfer function

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. Bandwidth (signal processing) and communication channel are telecommunication theory.

See Bandwidth (signal processing) and Communication channel

Control theory

Control theory is a field of control engineering and applied mathematics that deals with the control of dynamical systems in engineered processes and machines.

See Bandwidth (signal processing) and Control theory

Cutoff frequency

In physics and electrical engineering, a cutoff frequency, corner frequency, or break frequency is a boundary in a system's frequency response at which energy flowing through the system begins to be reduced (attenuated or reflected) rather than passing through.

See Bandwidth (signal processing) and Cutoff frequency

Data communication

Data communication, including data transmission and data reception, is the transfer of data, transmitted and received over a point-to-point or point-to-multipoint communication channel.

See Bandwidth (signal processing) and Data communication

Decibel

The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel (B).

See Bandwidth (signal processing) and Decibel

Electronic filter

Electronic filters are a type of signal processing filter in the form of electrical circuits.

See Bandwidth (signal processing) and Electronic filter

Electronics

Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other electrically charged particles.

See Bandwidth (signal processing) and Electronics

Federal Communications Commission

The Federal Communications Commission (FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, satellite, and cable across the United States.

See Bandwidth (signal processing) and Federal Communications Commission

FM broadcasting

FM broadcasting is a method of radio broadcasting that uses frequency modulation (FM) of the radio broadcast carrier wave.

See Bandwidth (signal processing) and FM broadcasting

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 Bandwidth (signal processing) and Frequency

Frequency response

In signal processing and electronics, the frequency response of a system is the quantitative measure of the magnitude and phase of the output as a function of input frequency. Bandwidth (signal processing) and frequency response are signal processing.

See Bandwidth (signal processing) and Frequency response

Full width at half maximum

In a distribution, full width at half maximum (FWHM) is the difference between the two values of the independent variable at which the dependent variable is equal to half of its maximum value. Bandwidth (signal processing) and full width at half maximum are telecommunication theory.

See Bandwidth (signal processing) and Full width at half maximum

Geometric mean

In mathematics, the geometric mean is a mean or average which indicates a central tendency of a finite set of real numbers by using the product of their values (as opposed to the arithmetic mean which uses their sum).

See Bandwidth (signal processing) and Geometric mean

Half-power point

The half-power point is the point at which the output power has dropped to half of its peak value; that is, at a level of approximately -3 dB.

See Bandwidth (signal processing) and Half-power point

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.

See Bandwidth (signal processing) and Hertz

Impulse response

In signal processing and control theory, the impulse response, or impulse response function (IRF), of a dynamic system is its output when presented with a brief input signal, called an impulse.

See Bandwidth (signal processing) and Impulse response

Information

Information is an abstract concept that refers to something which has the power to inform.

See Bandwidth (signal processing) and Information

Information theory

Information theory is the mathematical study of the quantification, storage, and communication of information.

See Bandwidth (signal processing) and Information theory

Level (logarithmic quantity)

In science and engineering, a power level and a field level (also called a root-power level) are logarithmic magnitudes of certain quantities referenced to a standard reference value of the same type.

See Bandwidth (signal processing) and Level (logarithmic quantity)

Low-pass filter

A low-pass filter is a filter that passes signals with a frequency lower than a selected cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. Bandwidth (signal processing) and low-pass filter are filter frequency response and signal processing.

See Bandwidth (signal processing) and Low-pass filter

Modulation

In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a separate signal called the modulation signal that typically contains information to be transmitted. Bandwidth (signal processing) and modulation are telecommunication theory.

See Bandwidth (signal processing) and Modulation

Narrowband

Narrowband signals are signals that occupy a narrow range of frequencies or that have a small fractional bandwidth.

See Bandwidth (signal processing) and Narrowband

Noise (electronics)

In electronics, noise is an unwanted disturbance in an electrical signal. Bandwidth (signal processing) and noise (electronics) are signal processing and telecommunication theory.

See Bandwidth (signal processing) and Noise (electronics)

Nyquist rate

In signal processing, the Nyquist rate, named after Harry Nyquist, is a value equal to twice the highest frequency (bandwidth) of a given function or signal. Bandwidth (signal processing) and Nyquist rate are telecommunication theory.

See Bandwidth (signal processing) and Nyquist rate

Nyquist–Shannon sampling theorem

The Nyquist–Shannon sampling theorem is an essential principle for digital signal processing linking the frequency range of a signal and the sample rate required to avoid a type of distortion called aliasing. Bandwidth (signal processing) and Nyquist–Shannon sampling theorem are telecommunication theory.

See Bandwidth (signal processing) and Nyquist–Shannon sampling theorem

Octave

In music, an octave (octavus: eighth) or perfect octave (sometimes called the '''diapason''') is a series of eight notes occupying the interval between (and including) two notes, one having twice the frequency of vibration of the other.

See Bandwidth (signal processing) and Octave

Parseval's theorem

In mathematics, Parseval's theorem usually refers to the result that the Fourier transform is unitary; loosely, that the sum (or integral) of the square of a function is equal to the sum (or integral) of the square of its transform.

See Bandwidth (signal processing) and Parseval's theorem

Passband

A passband is the range of frequencies or wavelengths that can pass through a filter. Bandwidth (signal processing) and passband are filter frequency response.

See Bandwidth (signal processing) and Passband

Photonics

Photonics is a branch of optics that involves the application of generation, detection, and manipulation of light in form of photons through emission, transmission, modulation, signal processing, switching, amplification, and sensing.

See Bandwidth (signal processing) and Photonics

Plain old telephone service

Plain Old Telephone Service (POTS), or Plain Ordinary Telephone System, is a retronym for voice-grade telephone service employing analog signal transmission over copper loops.

See Bandwidth (signal processing) and Plain old telephone service

Radio

Radio is the technology of communicating using radio waves.

See Bandwidth (signal processing) and Radio

Rise time

In electronics, when describing a voltage or current step function, rise time is the time taken by a signal to change from a specified low value to a specified high value.

See Bandwidth (signal processing) and Rise time

Shannon–Hartley theorem

In information theory, the Shannon–Hartley theorem tells the maximum rate at which information can be transmitted over a communications channel of a specified bandwidth in the presence of noise. Bandwidth (signal processing) and Shannon–Hartley theorem are telecommunication theory.

See Bandwidth (signal processing) and Shannon–Hartley theorem

Signal

Signal refers to both the process and the result of transmission of data over some media accomplished by embedding some variation. Bandwidth (signal processing) and Signal are signal processing and telecommunication theory.

See Bandwidth (signal processing) and Signal

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. Bandwidth (signal processing) and signal processing are telecommunication theory.

See Bandwidth (signal processing) 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 Bandwidth (signal processing) and Signal-to-noise ratio

Spectral band

Spectral bands are regions of a given spectrum, having a specific range of wavelengths or frequencies. Bandwidth (signal processing) and Spectral band are spectrum (physical sciences).

See Bandwidth (signal processing) and Spectral band

Spectral density

In signal processing, the power spectrum S_(f) of a continuous time signal x(t) describes the distribution of power into frequency components f composing that signal. Bandwidth (signal processing) and Spectral density are signal processing and spectrum (physical sciences).

See Bandwidth (signal processing) and Spectral density

Spectral efficiency

Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system. Bandwidth (signal processing) and Spectral efficiency are telecommunication theory.

See Bandwidth (signal processing) and Spectral efficiency

Spectral leakage

The Fourier transform of a function of time, s(t), is a complex-valued function of frequency, S(f), often referred to as a frequency spectrum. Bandwidth (signal processing) and Spectral leakage are spectrum (physical sciences).

See Bandwidth (signal processing) and Spectral leakage

Spectral line

A spectral line is a weaker or stronger region in an otherwise uniform and continuous spectrum. Bandwidth (signal processing) and spectral line are spectrum (physical sciences).

See Bandwidth (signal processing) and Spectral line

Spectral width

In telecommunications, spectral width is the width of a spectral band, i.e., the range of wavelengths or frequencies over which the magnitude of all spectral components is significant, i.e., equal to or greater than a specified fraction of the largest magnitude. Bandwidth (signal processing) and spectral width are spectrum (physical sciences) and telecommunication theory.

See Bandwidth (signal processing) and Spectral width

Spectroscopy

Spectroscopy is the field of study that measures and interprets electromagnetic spectra. Bandwidth (signal processing) and Spectroscopy are spectrum (physical sciences).

See Bandwidth (signal processing) and Spectroscopy

Stopband

A stopband is a band of frequencies, between specified limits, through which a circuit, such as a filter or telephone circuit, does not allow signals to pass, or the attenuation is above the required stopband attenuation level.

See Bandwidth (signal processing) and Stopband

Symbol rate

In a digitally modulated signal or a line code, symbol rate, modulation rate or baud rate is the number of symbol changes, waveform changes, or signaling events across the transmission medium per unit of time.

See Bandwidth (signal processing) and Symbol rate

Telecommunications

Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information with an immediacy comparable to face-to-face communication.

See Bandwidth (signal processing) and Telecommunications

Transition band

The transition band, also called the skirt, is a range of frequencies that allows a transition between a passband and a stopband of a signal processing filter. Bandwidth (signal processing) and transition band are filter frequency response.

See Bandwidth (signal processing) and Transition band

Tuner (radio)

A tuner is a subsystem that receives radio frequency (RF) transmissions, such as FM broadcasting, and converts the selected carrier frequency and its associated bandwidth into a fixed frequency that is suitable for further processing, usually because a lower frequency is used on the output.

See Bandwidth (signal processing) and Tuner (radio)

Unit of measurement

A unit of measurement, or unit of measure, is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.

See Bandwidth (signal processing) and Unit of measurement

White noise

In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density.

See Bandwidth (signal processing) and White noise

Wideband

In communications, a system is wideband when the message bandwidth significantly exceeds the coherence bandwidth of the channel.

See Bandwidth (signal processing) and Wideband

References

[1] https://en.wikipedia.org/wiki/Bandwidth_(signal_processing)

Also known as Analog bandwidth, Channel bandwidth, Essential bandwidth, Fractional bandwidth, Frequency bandwidth, Percent bandwidth, RF bandwidth, Radio bandwidth, Radio frequency bandwidth, Ratio bandwidth, Rayleigh Bandwidth, Relative bandwidth, Signal bandwidth, Spectral bandwidth.

, Spectral band, Spectral density, Spectral efficiency, Spectral leakage, Spectral line, Spectral width, Spectroscopy, Stopband, Symbol rate, Telecommunications, Transition band, Tuner (radio), Unit of measurement, White noise, Wideband.

Bandwidth (signal processing), the Glossary

Table of Contents

See also

Filter frequency response

Spectrum (physical sciences)

References