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Downsampling

Creator
Creator
Seonglae Cho
Created
Created
2023 Nov 6 6:43
Editor
Editor
Seonglae Cho
Edited
Edited
2023 Nov 14 18:17
Refs
Refs
Oversampling

Decimation

Sampling rate reduction by an integer factor

is compressor with downsampling factor
Energy and Nyquist frequency are decreasing to
notion image
 
notion image
 
 
 
Downsampling (signal processing)
In digital signal processing, downsampling, compression, and decimation are terms associated with the process of resampling in a multi-rate digital signal processing system. Both downsampling and decimation can be synonymous with compression, or they can describe an entire process of bandwidth reduction (filtering) and sample-rate reduction.[1][2] When the process is performed on a sequence of samples of a signal or a continuous function, it produces an approximation of the sequence that would have been obtained by sampling the signal at a lower rate (or density, as in the case of a photograph).
Downsampling (signal processing)
https://en.wikipedia.org/wiki/Downsampling_(signal_processing)
 
 

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Downsampling
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