I'm trying to re-sample signals, ranging from 0.5Hz up to about 40Hz,
sampling them at some small
integer multiple of their frequency. Simple decimation isn't getting
close enough, in many circumstances,
leaving a significant phase erorr.
I'm thinking that I can get closer using the rational resampler block,
but I need more guidance than the
online documentation can give me. Any clues?
My input sampling rate is from the audio card--16Khz to 48Khz. My
output sampling rate should be
a small multiple (16 or 32) of the desired pulse frequency (0.5Hz to
40Hz, depending on which object
I'm trying to observe).
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