Decimation

Decimation example

Decimation example
  1. What is decimation used for?
  2. How do you do decimation?
  3. What is decimation when it is performed?
  4. What is a decimating factor?

What is decimation used for?

Decimation is useful in applications in which the Nyquist frequency of a signal is much higher than the highest frequency of the signal. Decimation filters help you remove the excess bandwidth and reduce the sampling frequency of the signal.

How do you do decimation?

The decimation factor is simply the ratio of the input rate to the output rate. It is usually symbolized by “M”, so input rate / output rate=M. Tip: You can remember that “M” is the symbol for decimation factor by thinking of “deci-M-ation”.

What is decimation when it is performed?

Decimation (Latin: decimatio; decem = "ten") was a form of Roman military discipline in which every tenth man in a group was executed by members of his cohort.

What is a decimating factor?

: any direct cause (as starvation or hunting) of reduction in population numbers.

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