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[Discuss-gnuradio] Calculating Phase angle between received downconverte

From: Bishal Thapa
Subject: [Discuss-gnuradio] Calculating Phase angle between received downconverted complex baseband samples!!
Date: Wed, 11 Feb 2009 16:35:07 -0500

Hi All,
  I am using ./benchmark_tx.py -f 2.4G to send some bytes from my own input file, and using ./usrp_rx_cfile -f 2.4G to receive the downconverted complex baseband samples. The modulation I am using on the sender side is dbpsk. Then, I use
read_complex_binary.m to read the samples into the matlab. Now, I analyze the phase angle between those samples using"angle" function of the matlab. Shouldn't I find some burst where the angle would be something like
"0 3.14 0 3.14 0 3.14.................." if the bits I sent where "0 0 1 0 1 0 1 0 1 0 1 0....". I hope this makes sense. Thanks..


PS: My final goal is to implement DSSS, and I am making quite a progress thanks to all of you.

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