How to decrease sample frequency?

2017 3 12
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更新时间：2020 2 17
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Hello, how can I decrese sample frequency?

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Sabir Sabir
Sabir Sabir 2020-2-17
y = downsample(x,n)
y = downsample(x,n) decreases the sample rate of x by keeping the first sample and then every nth sample after the first. If x is a matrix, the function treats each column as a separate sequence.

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Star Strider
Star Strider 2017-3-12

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Use the Signal Processing Toolbox resample function.

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