Displaying 1 result from an estimated 1 matches for "bandpassfilter".
2011 Sep 07
0
Poly-phase Filters in R
Hello List,
I am trying to do the following:
1. Use a BandPassFilter h[n] on a series x[n]
2. Then Decimate the series by a factor D such that y[k]=x[k*D]
The decimation factor is considerable (10,000) so that filtering before the
decimation, using convolve(), seems foolish.
Can you think of an R implementation for a polyphase filter, that uses the
fact that most s...