Hi Gnuradio folks, i am analysing the spectrum from 1MHz to 2Mhz. I splitted this Spectrum into 3 parts: 1MHz - 1,333MHz 1,333MHz - 1,666MHz 1,666MHz - 2MHz
Therefore i used the Analysis Filterbank. Because i am searching for si function in the time domain as a response of a peak in the frequency domain, i want to use a band pass filter in the Analysis Filterbank. Do i have to use the band pass filter or can i sill use the low pass filter. The response should be another one by using the Low pass filter ? But my main Problem is, that my signal goes down in the second and third band. I doesn't know why. Here is my Flow Graph: Usrp Source --> Analysis Filterbank+Band pass filter --> Selector --> fft sink graph My band pass looks like this: samp_rate=1e6 Intermediate Frequency of the usrp= 1MHz firdes.complex_band_pass(1.0, samp_rate, samp_rate*0, samp_rate*1/3, samp_rate*0.01) Any hints how to correct this ? Did i anything wrong ? regards Markus _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
