15 lines
826 B
Plaintext
15 lines
826 B
Plaintext
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! LDPC (300,60) code
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parameter (NDOWN=24) !Downsample factor
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parameter (KK=60) !Information bits (50 + CRC10)
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parameter (ND=100) !Data symbols
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parameter (NS=14) !Sync symbols (2 @ Costas 7x7)
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parameter (NN=NS+ND) !Total symbols (114)
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parameter (NSPS0=24576) !Samples per symbol at 12000 S/s
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parameter (NSPS=NSPS0/NDOWN) !Sam/sym, downsampled (1024)
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parameter (N7=7*NSPS) !Samples in Costas 7x7 array (7168)
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parameter (NZ=NSPS*NN) !Samples in downsampled waveform (116,736)
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parameter (NMAX=240*12000) !Samples in iwave()
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parameter (NMAXD=NMAX/24) !Samples in c(), after downsampling
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parameter (NFFT1=4*NSPS,NH1=NFFT1/2)
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parameter (NH2=NSPS/2)
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