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Jordan Sherer
2018-02-08 21:28:33 -05:00
commit 678c1d3966
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lib/fsk4hf/wspr_fsk8_params.f90
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! LDPC (300,60) code
parameter (NDOWN=24) !Downsample factor
parameter (KK=60) !Information bits (50 + CRC10)
parameter (ND=100) !Data symbols
parameter (NS=14) !Sync symbols (2 @ Costas 7x7)
parameter (NN=NS+ND) !Total symbols (114)
parameter (NSPS0=24576) !Samples per symbol at 12000 S/s
parameter (NSPS=NSPS0/NDOWN) !Sam/sym, downsampled (1024)
parameter (N7=7*NSPS) !Samples in Costas 7x7 array (7168)
parameter (NZ=NSPS*NN) !Samples in downsampled waveform (116,736)
parameter (NMAX=240*12000) !Samples in iwave()
parameter (NMAXD=NMAX/24) !Samples in c(), after downsampling
parameter (NFFT1=4*NSPS,NH1=NFFT1/2)
parameter (NH2=NSPS/2)