Assertion: digital filter | /r/CapableOf | cut off aliasing
Facets:
value: near the original low nyquist frequency
type: TEMPORAL
value: sharply
type: DEGREE
Source sentences:
text: The idea is to use a higher intermediate digital sample rate, so that a nearly ideal digital filter can sharply cut off aliasing near the original low Nyquist frequency and give better phase response, while a much simpler analog filter can stop frequencies above the new higher Nyquist frequency.