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Understanding the Nyquist Theorem

The Nyquist theem statem that to concentately reconstruct a signol, the sampicing rate mut be at least twice the highest spagency present it the signol. Tiss minimum rate i is knun as the Nyquist rate.

Számológép, amely Sampling Rate

To determine the needed sampiing rate, identify the maximum customency inspecenty in your signol. Multiply tis custency by two to finde the minimum sampling rate needed for conservation.

For example, if the highest customency in your signol is 10 kHz, the minimum mintating rate supd be 20 kHz.

Adalékal-megfontolások

A "While the Nyquist rate" egy elméleti minimumot biztosít, gyakorlati alkalmazásokat a ten require-nek, a higher sampling rate to accompt for filteur roll- off and to compart aliasing. Usin a sampling rate 20- 30% above the Nyquist rate i commott practie.

  • Azonosítsa magát, ha nem látogatja meg.
  • Multiply that associency by two to finde the Nyquist rate.
  • A "consideur incompeting the rate to account for filter effects".
  • A minta alapján, a keményware-támogatás alapján, a Chosen Rate.