Matt Ettus wrote:
Bruce McGuffin wrote:
Hi
When I specify a particular receiver decimation rate
for the USRP2, the task of decimating is presumably
split up between the CIC and two half-band filters.
My question is how is the task split up,
and where in the code does this happen?
If the requested decimation rate is a multiple of four, we use the two
halfband filters, and the rest is CIC. If it is only a multiple of two,
we use one halfband filter and the rest in CIC. If it is an odd number,
we use only CIC.
Matt
When the decimation rate is divisible by 2 but not 4, which half-band
filter do you use?
And where in the code is this decision made?
Bruce
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