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| author | Author Name <[email protected]> | 2023-07-07 12:20:59 +0930 |
|---|---|---|
| committer | David Rowe <[email protected]> | 2023-07-07 12:29:06 +0930 |
| commit | ac7c48b4dee99d4c772f133d70d8d1b38262fcd2 (patch) | |
| tree | a2d0ace57a9c0e2e5b611c4987f6fed1b38b81e7 /README_cohpsk.md | |
shallow zip-file copy from codec2 e9d726bf20
Diffstat (limited to 'README_cohpsk.md')
| -rw-r--r-- | README_cohpsk.md | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/README_cohpsk.md b/README_cohpsk.md new file mode 100644 index 0000000..aafc71d --- /dev/null +++ b/README_cohpsk.md @@ -0,0 +1,43 @@ +# README_cohpsk.md + +## Introduction + +## Quickstart + +1. BER test in AWGN channel with just less that 2% average bit error rate: + + ``` + $ ./cohpsk_get_test_bits - 5600 | ./cohpsk_mod - - | ./ch - - --No -30 --Fs 7500 | ./cohpsk_demod - - | ./cohpsk_put_test_bits - + <snip> + SNR3k(dB): 3.41 C/No: 38.2 PAPR: 8.1 + BER: 0.017 Nbits: 5264 Nerrors: 92 + + ``` + +2. Plot some of the demod internal states, used to chase down freq offset problemL + + ``` + $ cd build_linux/src + $ ./cohpsk_get_test_bits - 5600 | ./cohpsk_mod - - | ./ch - - --No -40 -f -20 --Fs 7500 | ./cohpsk_demod -o cohpsk_demod.txt - - | ./cohpsk_put_test_bits - + $ cd ../../octave + $ octave --no-gui + $ cohpsk_demod_plot("../build_linux/src/cohpsk_demod.txt") + ``` + +3. Run Octave<-> tests + + ``` + $ cd ~/codec2/build_linux/unittest + $ ./tochpsk + $ cd ~/codec2/octave + $ octave --no-gui + octave> tcohpsk + ``` + +## References + +## C Code + +## Octave Scripts + + |