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Range of usable frequencies
gain rather than x dB below the maximum gain. In signal processing and control theory the bandwidth is the frequency at which the closed-loop system gain
Bandwidth_(signal_processing)
Topics referred to by the same term
bandwidth in Wiktionary, the free dictionary. Bandwidth commonly refers to: Bandwidth (signal processing) (AKA analog bandwidth, frequency bandwidth,
Bandwidth
Ratio of the desired signal to the background noise
same or equivalent points in a system, and within the same system bandwidth. The signal-to-noise ratio of a random variable (S) to random noise N is: S
Signal-to-noise_ratio
Resampling method
digital signal processing system. Both downsampling and decimation can be synonymous with compression, or they can describe an entire process of bandwidth reduction
Downsampling (signal processing)
Downsampling_(signal_processing)
Maximum rate of data transfer
bandwidth, data bandwidth, or digital bandwidth. This definition of bandwidth contrasts with usage in signal processing, wireless communications, modem data
Bandwidth_(computing)
Mathematical signal manipulation by computers
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide
Digital_signal_processing
modern PSTN is theoretically capable of transmitting from 0 to 7,000 Hz using ISDN. DS0 Bandwidth (signal processing) Voice frequency multi-user ISDN v t e
Commercial_bandwidth
Range of frequencies occupied by an unmodulated signal
and signal processing, baseband is the range of frequencies occupied by a signal that has not been modulated to higher frequencies. Baseband signals typically
Baseband
Electronic manipulation of audio signals
Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals. Audio signals are electronic
Audio_signal_processing
Device for suppressing part of a signal
In signal processing, a filter is a device or process that removes some unwanted components or features from a signal. Filtering is a class of signal processing
Filter_(signal_processing)
Central computer component that executes instructions
Accelerated Processing Unit Complex instruction set computer Computer bus Computer engineering CPU core voltage CPU socket Data processing unit Digital signal processor
Central_processing_unit
Signal processing effect
aliasing In digital signal processing, aliasing is a phenomenon in which a reconstructed signal from samples of the original signal contains low frequency
Aliasing
Continuous time-varying signal
sampling imposes some bandwidth and dynamic range constraints on the representation and adds quantization noise. The term analog signal usually refers to
Analog_signal
Effect in signal processing
3. In signal processing, operations are chosen to improve some aspect of quality of a signal by exploiting the differences between the signal and the
Spectral_leakage
spread-spectrum system, the process gain (or "processing gain") is the ratio of the spread (or RF) bandwidth to the unspread (or baseband) bandwidth. Research suggests
Process_gain
In signal processing, unwanted modifications to a signal
In signal processing, noise is a general term for unwanted (and, in general, unknown) modifications that a signal may suffer during capture, storage, transmission
Noise_(signal_processing)
Computer programming paradigm
computer science, stream processing (also known as event stream processing, data stream processing, or distributed stream processing) is a programming paradigm
Stream_processing
Type of signal in signal processing
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. The
White_noise
Signal processing technique
or increase the signal to noise ratio when the peak power and the bandwidth (or equivalently range resolution) of the transmitted signal are constrained
Pulse_compression
Theorem that tells the maximum rate at which information can be transmitted
specified bandwidth in the presence of the noise interference, assuming that the signal power is bounded, and that the Gaussian noise process is characterized
Shannon–Hartley_theorem
1977 radio signal detected as part of SETI
computed the frequency of the Wow! signal, he took this error into account.[citation needed] The Wow! signal had a bandwidth of less than 10 kHz. It is considered
Wow!_signal
Measurement of a signal at discrete time intervals
In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave
Sampling_(signal_processing)
Output as a function of input frequency
with opponent process dynamics, or in the optimization of drug treatment regimens. Audio system measurements Bandwidth (signal processing) Bode plot Impulse
Frequency_response
Quick, temporary change in amplitude of electrical signals
A pulse in signal processing is a rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value, followed by a
Pulse_(signal_processing)
Type of low-pass filter
compute only half as many output samples as input samples. In digital signal processing, half-band filters are widely used for their efficiency in multi-rate
Half-band_filter
Sufficiency theorem for reconstructing signals from samples
theorem in the field of signal processing which serves as a fundamental bridge between continuous-time signals and discrete-time signals. In the case of uniformly
Nyquist–Shannon sampling theorem
Nyquist–Shannon_sampling_theorem
SI unit of frequency
Alternating current Bandwidth (signal processing) Electronic tuner FLOPS Frequency changer Normalized frequency (signal processing) Orders of magnitude
Hertz
Rate at which data is processed in communication networks
and bandwidth of the received signal, and therefore the maximum transmission rate. Large data loads that require processing impose data processing requirements
Network_throughput
Maximum frequency of non-aliased component upon sampling
Digital Signal Processing Using MATLAB for Students and Researchers. John Wiley & Sons. p. 82. ISBN 9781118033807. The Nyquist rate is twice the bandwidth of
Nyquist_frequency
Electronic testing device
spectra of electrical signals, dominant frequency, power, distortion, harmonics, bandwidth, and other spectral components of a signal can be observed that
Spectrum_analyzer
Minimum sampling rate to avoid aliasing
In signal processing, the Nyquist rate is a value equal to twice the highest frequency (bandwidth) of a given function or signal. It is named after Harry
Nyquist_rate
Electronic method of transmitting information with a carrier wave
it uses transmitter power and bandwidth more efficiently. Amplitude modulation produces an output signal the bandwidth of which is twice the maximum frequency
Single-sideband_modulation
Electromagnetic frequencies ranging from 3 kHz to 300 GHz
see mechanical filter and RF MEMS. Amplitude modulation (AM) Bandwidth (signal processing) Electromagnetic interference Electromagnetic radiation Electromagnetic
Radio_frequency
Number of occurrences or cycles per unit time
is a physical quantity of type temporal rate. Audio frequency Bandwidth (signal processing) Chirp Cutoff frequency Downsampling Electronic filter Fourier
Frequency
receive bandwidth to that extent provides significant benefits in terms of efficiency and noise reduction. Recent advances in signal processing techniques
Radar_signal_characteristics
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
Bandwidth_extension
Representation of sound, typically as an electrical voltage
IP. Analog recording Audio editing software Audio engineer Audio signal processing Digital recording Equalization (audio) Professional audio Psychoacoustics
Audio_signal
Signal used to represent data as a sequence of discrete values
slowly generate signals resembling sine waves. In digital signal processing, a digital signal is a representation of a physical signal that is sampled
Digital_signal
Sampling higher than the Nyquist rate
In signal processing, oversampling is the process of sampling a signal at a sampling frequency significantly higher than the Nyquist rate. Theoretically
Oversampling
Index of articles associated with the same name
transmitted through a given telecommunications channel. Types of signal compression include: Bandwidth compression Data compression Dynamic range compression Gain
Signal_compression
Information-theoretical limit on transmission rate in a communication channel
control theory and Markov decision processes if the channel is discrete. Bandwidth (computing) Bandwidth (signal processing) Bit rate Code rate Error exponent
Channel_capacity
Function used in signal processing
In signal processing and statistics, a window function (also known as an apodization function or tapering function) is a mathematical function that is
Window_function
Dynamic-range metric for digital systems
bits. The frequency band of a signal converter where ENOB is still guaranteed is called the effective resolution bandwidth and is limited by dynamic quantization
Effective_number_of_bits
Technique for widening the bandwidth or the resonances in an LPC filter
Bandwidth expansion is a technique for widening the bandwidth or the resonances in an LPC filter. This is done by moving all the poles towards the origin
Bandwidth_expansion
System that converts an analog signal into a digital signal
the allowable bandwidth of the input signal. The performance of an ADC is primarily characterized by its bandwidth, dynamic range and signal-to-noise and
Analog-to-digital_converter
Modulation technique to reduce signal interference
reduce overall signal interference. The direct-sequence modulation makes the transmitted signal wider in bandwidth than the information bandwidth. After the
Direct-sequence spread spectrum
Direct-sequence_spread_spectrum
Electronic method of transmitting information with a carrier wave
amplitude, of a message signal, such as an audio signal. The technology is used in telecommunications, radio broadcasting, signal processing, and computing. In
Frequency_modulation
Type of display device
as normal OLED panels. [citation needed] Electronics portal Bandwidth (signal processing) Electron hole Energy level Nanotechnology Organic light-emitting
Quantum_dot_display
System-on-a-chip designed by Apple Inc.
variant includes enhanced cache configurations and improved front-end bandwidth and branch prediction on the performance cores. The performance cores
Apple_A19
Concept in statistics and wave theory
maximum" is also widely used in signal processing to define bandwidth as "width of frequency range where less than half the signal's power is attenuated", i.e
Full_width_at_half_maximum
Technique for doubling the perceived frame rate of a video display
perceived frame rate of a video display without consuming extra bandwidth. The interlaced signal contains two fields of a video frame captured consecutively
Interlaced_video
Process of varying one or more properties of a periodic waveform
The process encodes information in the form of a message signal modulated onto a carrier signal to be transmitted. For example, the message signal might
Signal_modulation
Area of research in signal processing
Array processing is a wide area of research in the field of signal processing that extends from the simplest form of 1 dimensional line arrays to 2 and
Array_processing
Form of radar used to create images of landscapes
(1992). Synthetic Aperture Radar: Systems and Signal Processing. Remote Sensing and Image Processing. Wiley. ISBN 978-0-471-85770-9. Gart, Jason H (2006)
Synthetic-aperture_radar
System-on-a-chip designed by Apple Inc.
including a central processing unit (CPU), a graphics processing unit (GPU), a neural processing unit (NPU), and a digital signal processor (DSP). The M4 SoC
Apple_M4
Computer expansion bus standard
operation, excess signal count, and inherently lower bandwidth due to timing skew. Timing skew results from separate electrical signals within a parallel
PCI_Express
Topics referred to by the same term
aspects of a signal Analogue filter, a basic building block of signal processing much used in electronics Filters used in digital image processing Filter (TV
Filter
Delays experienced through a linear time-invariant system
In signal processing, group delay and phase delay are functions that describe in different ways the delay times experienced by a signal's various sinusoidal
Group_delay_and_phase_delay
Spreading the frequency domain of a signal
are techniques by which a signal (e.g., an electrical, electromagnetic, or acoustic) generated with a particular bandwidth is deliberately spread in the
Spread_spectrum
Instrument for displaying time-varying signals
complex processing of the signal by high-speed digital signal processing circuits. A standard DSO is limited to capturing signals with a bandwidth of less
Oscilloscope
Network service quality
percentage or fraction of the total sent The available channel bandwidth and achievable signal-to-noise ratio determine the maximum possible throughput. It
Network_performance
Digital signal resampling method
digital signal processing, upsampling, expansion, and interpolation are terms associated with the process of resampling in a multi-rate digital signal processing
Upsampling
Signal format for standard-definition video
form the C signal, for chrominance. The phase and amplitude of the signal represent the two original signals. This signal is then bandwidth-limited to
S-Video
Process in electronics and telecommunications
results in the time domain. This happens if the bandwidth of the signal is larger than the channel bandwidth, leading to a distortion. This distortion usually
Pulse_shaping
Normalized signal-to-noise ratio measure
modulation schemes without taking bandwidth into account. As the description implies, E b {\displaystyle E_{b}} is the signal energy associated with each user
Eb/N0
British physicist (1842–1919)
Rayleigh–Sommerfeld diffraction theory Rayleigh mixture distribution Rayleigh bandwidth (signal processing) Rayleigh quotient iteration Rayleigh's quotient in vibrations
John William Strutt, 3rd Baron Rayleigh
John_William_Strutt,_3rd_Baron_Rayleigh
Data transmission concept
telecommunications, broadband or high speed is the wide-bandwidth data transmission that uses signals at a wide spread of frequencies or several different
Broadband
In signal processing it is useful to simultaneously analyze the space and frequency characteristics of a signal. While the Fourier transform gives the
Log_Gabor_filter
Object detection system using radio waves
Pulse-Doppler signal processing, moving target detection processors, correlation with secondary surveillance radar targets, space-time adaptive processing, and
Radar
Channel access method used by various radio communication technologies
{\displaystyle T_{b}} , the bandwidth of the spread-spectrum signal is much larger than the bandwidth of the original signal. The ratio T b / T c {\displaystyle
Code-division_multiple_access
Measure used in psychoacoustics
equivalent rectangular bandwidth or ERB is a measure used in psychoacoustics, which gives an approximation to the bandwidths of the filters in human
Equivalent rectangular bandwidth
Equivalent_rectangular_bandwidth
Filter bank
ICASSP '83. IEEE International Conference on Acoustics, Speech, and Signal Processing. Vol. 8. pp. 1280–1283. doi:10.1109/ICASSP.1983.1172005. v t e
Polyphase_quadrature_filter
Mathematical transformation reducing the damage caused by aliasing
anti-aliasing filter (AAF) is a filter used before a signal sampler to restrict the bandwidth of a signal to satisfy the Nyquist–Shannon sampling theorem over
Anti-aliasing_filter
Integrated circuit
of the system. Because of the use of both digital signal processing and analog circuitry, mixed-signal ICs are usually designed for a very specific purpose
Mixed-signal integrated circuit
Mixed-signal_integrated_circuit
Filter that rejects signals outside a certain range
below a specific frequency. In digital signal processing, in which signals represented by digital numbers are processed by computer programs, a band-pass filter
Band-pass_filter
Relative importance of certain frequencies in a composite signal
In signal processing, the power spectrum S x x ( f ) {\displaystyle S_{xx}(f)} of a continuous time signal x ( t ) {\displaystyle x(t)} describes the
Spectral_density
Digital display interface
portion of the total bandwidth. The 8b/10b encoding scheme uses 10 bits of bandwidth to send 8 bits of data, so only 80% of the bandwidth is available for
DisplayPort
Radio communications concept
waveform, the entire signal processing path of the system of transmitter, propagation path, and receiver must have enough bandwidth so that enough of the
Sideband
Digital radio broadcasting standard
DRM consortium. The principle of DRM is that bandwidth is the limiting factor, and computer processing power is cheap; modern CPU-intensive audio compression
Digital_Radio_Mondiale
Transmitting information over optical fiber
transmit telephone signals, internet communication, and cable television signals. Researchers at Bell Labs have reached a record bandwidth–distance product
Fiber-optic_communication
Audio signal processing technique
Furthermore, the process offers good range resolution because the half-power beam width of the compressed pulse is consistent with the system bandwidth. The basics
Chirp_compression
Specialized electronic circuit that accelerates graphics
A graphics processing unit (GPU) is a specialized electronic circuit designed for digital image processing and to accelerate computer graphics, being
Graphics_processing_unit
Device or software for encoding or decoding a digital data stream
Libavcodec). In addition to encoding a signal, a codec may also compress the data to reduce transmission bandwidth or storage space. Compression codecs
Codec
A signal analyzer is an instrument that measures the magnitude and phase of the input signal at a single frequency within the IF bandwidth of the instrument
Signal_analyzer
Method in digital signal processing
In digital signal processing, a digital down-converter (DDC) converts a digitized, band-limited signal to a lower frequency signal at a lower sampling
Digital_down_converter
Method of encoding digital data on multiple carrier frequencies
B_{\text{OFDM}}} is the bandwidth of OFDM signal, and the factor of 2 is due to the two polarization states in the fiber. There is saving of bandwidth by using multicarrier
Orthogonal frequency-division multiplexing
Orthogonal_frequency-division_multiplexing
Signal processing technique for sensor arrays
Beamforming or spatial filtering is a signal processing technique used in sensor arrays for directional signal transmission or reception. This is achieved
Beamforming
Communication aspects of Universal Serial Bus
choice of data line indicates what signal rates the device is capable of: full-bandwidth devices pull D+ high, low-bandwidth devices pull D− high. The K state
USB_communications
Method of combining multiple signals into one signal over a shared medium
techniques are that variable bandwidth is possible (just as in statistical multiplexing), that the wide bandwidth allows poor signal-to-noise ratio according
Multiplexing
Process of assigning radio frequencies to different applications
Bandwidth allocation is the process of assigning radio frequencies to different applications. The radio spectrum is a finite resource, which means there
Bandwidth_allocation
Signals broadcast by GPS satellites
L5: Improved signal structure for enhanced performance Higher transmitted power than L1/L2 signal (~3 dB, or 2× as powerful) Wider bandwidth provides a
GPS_signals
Electronic devices that generate electronic signals
and often has less bandwidth. An AWG is used in higher-end design and test applications. RF (radio frequency) and microwave signal generators are used
Signal_generator
interface bit rates, a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate
List_of_interface_bit_rates
Type of signal filter
with the same signal processing techniques as are used for other low-pass filters. Low-pass filters provide a smoother form of a signal, removing the
Low-pass_filter
Digital audiovisual data interface
channel is actively used for High-bandwidth Digital Content Protection (HDCP). Transition-minimized differential signaling (TMDS) on HDMI interleaves video
HDMI
Device for receiving radio transmissions
frequency signal from all the other signals picked up by the antenna, an electronic amplifier to increase the power of the signal for further processing, and
Radio_receiver
Signal processing design process
Filter design is the process of designing a signal processing filter that satisfies a set of requirements, some of which may be conflicting. The purpose
Filter_design
Topics referred to by the same term
VBW may refer to: Video bandwidth (spectrum analysis), used in electronic signal processing Air Burkina, airline with ICAO identification "VBW" Vereinigte
VBW
Changing the balance of frequency components in an audio signal
recording and reproduction is the process of adjusting the volume of different frequency bands within an audio signal. The circuit or equipment used to
Audio_equalization
in a smaller bandwidth around the center of carrier to the power in the adjacent channel. The smaller bandwidth is equal to the bandwidth of the adjacent
Adjacent_channel_power_ratio
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