On Wed, Aug 12, 2015 at 12:31 PM, West, Nathan <n...@ostatemail.okstate.edu> wrote:
> On Wed, Aug 12, 2015 at 10:51 AM, Gerome Jan L <geromejanlla...@gmail.com> > wrote: > >> There is an internal scaling effect of fftlen (the length of your FFT) >> in the FFT block. How do I unscale or remove the scaling factor in the >> python generated by thr GRC? I tried the one suggested in the faq, >> >> ... forward FFT --> multiply_const_cc(fftlen*[1.0/fftlen,]) --> reverse >> FFT ... >> >> but it doesn't seem to work. I know I am missing something. How do I >> insert this into this line of code in my python? >> >> 1. self.fft_vxx_0 = fft.fft_vcc(1024, True, (window.rectangular(1024)), >> True, 1) >> or here? >> 2. self.blocks_complex_to_mag_squared_0 = >> blocks.complex_to_mag_squared(1024) >> >> Thank you in advance. >> >> Attached is my flow graph. >> >> >> >> Best, >> >> *Gerome Jan M. Llames * >> >> >> "Design is not just what it looks like and feels like. Design is how it >> works." - Steve Jobs >> >> > What do you expect the constant to be? fftlen*[1.0/fftlen,] = [1], unless > I'm having a really slow day. > It's been pointed out to me that I am having a slow day. Taking a step back... when you say "it doesn't seem to work", what exactly does that mean? What do you observer that is different from what you expect?
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