Electronics Engineering · Digital Signal Processing
Consider a discrete-time system whose impulse response is given as h[n] = {1, 1, 1}. If the sampling frequency of the system is Fs = 40 kHz, then the first positive frequency (in kHz) where a null occurs in the frequency spectrum is:
- 120
- 28
- 310
- 413.33✓
Correct answer
13.33
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