Hello all,
I've been trying out the gr-sounder code to see if I can use it for
some research. I modified it slightly and graphed the output in
realtime. At the portion of the code where it would write the incoming
complex numbers to file, I have:
rec = msg.to_string()[:length*gr.sizeof_gr_complex]
tmparray = []
# decomposes string into strings of length 8
for cn in [rec[x:x+8] for (x,y) in enumerate(rec) if x%8 == 0 ]:
r,i = struct.unpack('ff', cn)
tmparray.append(abs(complex(r,i)))
maxvalue = max(tmparray)
highestpoint = [x for x,y in enumerate(tmparray) if y == maxvalue][0]
tmparray = tmparray[highestpoint-1:] + tmparray[:highestpoint-1]
rcontrol.plot(tmparray, ylab='', type='l', )
The above code uses the rpy library to plot the data. The results I
received are as follows:
http://155.246.68.205/sounderrun/sounderrun.htm
Is something wrong with my setup or code? I'm not even sure if the
gr-sounder isn't ready to be used through the USRPs, if so are the
results consistent with my own?
Thanks,
Dev
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