[hpsdr] DttSP ovsv.c possible optimization?

Philip Covington p.covington at gmail.com
Mon Aug 13 07:53:51 PDT 2007


On 8/13/07, Robert McGwier <rwmcgwier at gmail.com> wrote:
> Phil:
>
> Thank you.  I moved the scaling by p->scale into the constructor and
> just commented out the scaling in the running routine (with a notation)
> in ovsv.c in both the DttSP in PowerSDR and in ab2kt/dttsp-ng branch in
> sdr_linux.
>
> PLEASE anytime someone finds something like this, point it out.
>
> Bob

For whatever reason, I woke up for a few minutes at about 3AM on
Saturday morning with the idea that doing the pre-normalization to the
filter was equivalent to doing the normalization after the inverse
fft.   I guess I have been reading too much DSP stuff lately...

73 Phil N8VB

 1187016831.0


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