WSJT-X/lib/ldpc/jtmode_codes/ldpc-search
Steven Franke a7e1e8ee75 Some code cleanup.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6496 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2016-02-26 01:10:23 +00:00

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#!/bin/sh
# search for a good code
# make-ldpc ldpc.pchk $m $n $seed evenboth 2x3/8x4 no4cycle
n=128
k=80
m=$((n-k))
niterations=10
set -e # Stop if an error occurs
rand-src ldpc.src 2 "$k"x100000
for i in `seq 1 1000`
do
seed=$i
echo seed $seed
make-ldpc ldpc.pchk $m $n $seed evenboth 124x3/4x4 no4cycle
make-gen ldpc.pchk ldpc.gen dense
encode ldpc.pchk ldpc.gen ldpc.src ldpc.enc
transmit ldpc.enc ldpc.rec 1 awgn 0.7
decode ldpc.pchk ldpc.rec ldpc.dec awgn 0.70 prprp $niterations
verify ldpc.pchk ldpc.dec ldpc.gen ldpc.src
done