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Вопрос 420

What is the function of taps in a digital signal processing filter?

  1. To reduce excess signal pressure levels
  2. Provide access for debugging software
  3. Select the point at which baseband signals are generated
  4. Provide incremental signal delays for filter algorithmsПравильный ответ

Объяснение

A digital filter forms its output from a series of successively delayed samples. Each tap is one of those delay stages: its sample is multiplied by a coefficient and summed with the others to build the filter's response.

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Вопрос 420: What is the function of taps in a digital signal processing… · FCC Amateur Extra Class (Element 4) · Questena