Dear Kyeong, Thank you very much. It worked perfect.
Regards, Shuvodip On Wed, 26 Oct, 2022, 17:43 Kyeong Su Shin, <kss...@postech.ac.kr> wrote: > Hello Shuvodip: > > It simply takes STFT of the raw input data after applying a windowing > function to them. No further calibrations or amplitude corrections are > applied. > > You will get an 0 dB peak if you turn off the windowing function (set it > to "rectangular") and if the signal is not leaking into multiple bins. > > Regards, > Kyeong Su Shin > ------------------------------ > *보낸 사람:* Shuvodip Majumdar <shuvodipc...@gmail.com> 대신 Discuss-gnuradio < > discuss-gnuradio-boun...@gnu.org> > *보낸 날짜:* 2022년 10월 26일 수요일 오후 8:45 > *받는 사람:* discuss-gnuradio@gnu.org <discuss-gnuradio@gnu.org> > *제목:* Help Needed for FREQUENCY SINK Block of GNU Radio > > Hello all, > > The Frequency Sink block of GNU Radio gives a spectrum plot where the > y-axis is labelled as "Relative Gain (dB)". > > My question is that with respect to what this "relative" data is being > taken? > > I plotted one 1*e^(j*2*pi*f*t) and in the spectrum response I got -8.7 dB > at frequency f. I am confused about how this calculation is being done. > > Thank you. > > With regards, > Shuvodip >
