The second peak have to be:Frequency: 3kHz Amplitudo: -45dB
The second peak is 20*math.log10(9) dB down from the first one. Thats exactly what you should expect:
http://en.wikipedia.org/wiki/Triangle_wave
The amplitudo of the first peak also not correct.
You should take a look at logpwrfft.py -Josh _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
