Resampling

Updating FFT algorithm accordingly when upsampling/resampling

Updating FFT algorithm accordingly when upsampling/resampling
  1. Is resampling the same as upsampling?
  2. Why do you Upsample?

Is resampling the same as upsampling?

Resampling involves changing the frequency of your time series observations. Two types of resampling are: Upsampling: Where you increase the frequency of the samples, such as from minutes to seconds. Downsampling: Where you decrease the frequency of the samples, such as from days to months.

Why do you Upsample?

The purpose of Upsampling is to manipulate a signal in order to artificially increase the sampling rate. This is done by... Upsampling is an effective way to reduce time between samples of a signal without resampling the original signal.

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