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...
31 KB (3,130 words) - 14:52, 2 October 2024
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide...
32 KB (3,636 words) - 17:27, 17 November 2024
Look up sampling in Wiktionary, the free dictionary. Sampling may refer to: Sampling (signal processing), converting a continuous signal into a discrete...
2 KB (360 words) - 15:55, 25 March 2021
Nyquist–Shannon sampling theorem is an essential principle for digital signal processing linking the frequency range of a signal and the sample rate required...
51 KB (6,711 words) - 16:22, 9 October 2024
But in signal processing, decimation by a factor of 10 actually means keeping only every tenth sample. This factor multiplies the sampling interval...
14 KB (1,804 words) - 12:06, 28 June 2024
Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, images, potential...
18 KB (1,759 words) - 21:07, 21 November 2024
Aliasing (redirect from Folding (signal processing))
this way for computational efficiency. (See Sampling (signal processing), Nyquist rate (relative to sampling), and Filter bank.) Sinusoids are an important...
24 KB (2,558 words) - 18:14, 23 August 2024
of digital signal processing (DSP), a digital signal is a discrete time, quantized amplitude signal. In other words, it is a sampled signal consisting...
4 KB (419 words) - 15:01, 8 August 2024
submitted to the Nyquist–Shannon sampling theorem. Assuming the sampling period is T, thus after temporal sampling, the signal is r ( t ) = r ( n T ) = s (...
9 KB (1,633 words) - 20:15, 28 May 2024
multiple subject fields including signal processing, information theory and biology. In signal processing, a signal is a function that conveys information...
30 KB (3,516 words) - 11:39, 19 September 2024
dimension. In m-D digital signal processing, useful data is sampled in more than one dimension. Examples of this are image processing and multi-sensor radar...
6 KB (835 words) - 19:51, 15 August 2020
Signal chain, or signal-processing chain is a term used in signal processing and mixed-signal system design to describe a series of signal-conditioning...
2 KB (324 words) - 01:18, 28 October 2024
Nyquist rate (redirect from Nyquist sampling rate)
Nyquist–Shannon sampling theorem Sampling (signal processing) The factor of 1 2 {\displaystyle {\tfrac {1}{2}}} has the units cycles/sample (see Sampling and Sampling...
8 KB (968 words) - 05:46, 12 July 2024
different purposes. In the context of, for example, the sampling theorem and Nyquist sampling rate, bandwidth typically refers to baseband bandwidth....
16 KB (2,296 words) - 18:37, 17 August 2024
digital signal processing and is best known for his work on wavelets. He has also contributed to other areas, including sampling (signal processing), computational...
13 KB (1,119 words) - 07:27, 13 September 2024
represents the original time-varying quantity as a sampled sequence of quantized values. Digital sampling imposes some bandwidth and dynamic range constraints...
5 KB (481 words) - 21:05, 6 September 2024
Sample-rate conversion, sampling-frequency conversion or resampling is the process of changing the sampling rate or sampling frequency of a discrete signal...
8 KB (990 words) - 15:03, 8 August 2024
In digital signal processing (DSP), a normalized frequency is a ratio of a variable frequency ( f {\displaystyle f} ) and a constant frequency associated...
5 KB (479 words) - 12:37, 18 March 2024
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...
22 KB (3,017 words) - 18:30, 22 November 2024
Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals. Audio signals are electronic...
12 KB (1,484 words) - 14:32, 26 October 2024
Compressed sensing (redirect from Compressive sampling)
sensing, compressive sampling, or sparse sampling) is a signal processing technique for efficiently acquiring and reconstructing a signal, by finding solutions...
46 KB (5,872 words) - 22:03, 28 August 2024
Discrete time and continuous time (redirect from Discrete signal processing)
it may have been obtained by sampling from a continuous-time signal. When a discrete-time signal is obtained by sampling a sequence at uniformly spaced...
10 KB (1,535 words) - 10:02, 21 October 2024
In signal processing, reconstruction usually means the determination of an original continuous signal from a sequence of equally spaced samples. This article...
4 KB (614 words) - 02:35, 28 March 2023
Undersampling (redirect from Bandpass sampling)
In signal processing, undersampling or bandpass sampling is a technique where one samples a bandpass-filtered signal at a sample rate below its Nyquist...
9 KB (1,274 words) - 19:47, 8 October 2024
spiral. The process of digital sampling causes ringing in the filters that are used to remove reflected signals from slow moving objects. Sampling causes frequency...
16 KB (2,233 words) - 13:15, 10 January 2024
Digital audio (redirect from Sampled audio)
may be used to change signals that have been encoded with a different sampling rate to a common sampling rate prior to processing. Audio data compression...
24 KB (2,806 words) - 11:37, 22 November 2024
Spatial anti-aliasing (category Image processing)
removal is done before (re)sampling at a lower resolution. When sampling is performed without removing this part of the signal, it causes undesirable artifacts...
24 KB (3,269 words) - 17:47, 23 April 2024
Nyquist frequency (category Digital signal processing)
which converts a continuous function or signal into a discrete sequence. For a given sampling rate (samples per second), the Nyquist frequency (cycles...
7 KB (756 words) - 13:25, 17 August 2024
Digital down converter (category Digital signal processing)
digital signal processing, a digital down-converter (DDC) converts a digitized, band-limited signal to a lower frequency signal at a lower sampling rate...
4 KB (479 words) - 10:26, 1 February 2024
sampling is also related to umbrella sampling in computational physics. Depending on the application, the term may refer to the process of sampling from...
25 KB (3,810 words) - 13:19, 29 October 2024