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11 lines
644 B
Fortran
11 lines
644 B
Fortran
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! LDPC (168,84) code
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parameter (KK=84) !Information bits (72 + CRC12)
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parameter (ND=56) !Data symbols
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parameter (NS=21) !Sync symbols (3 @ Costas 7x7)
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parameter (NN=NS+ND) !Total symbols (77)
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parameter (NSPS=2048) !Samples per symbol at 12000 S/s
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parameter (N7=7*NSPS) !Samples in Costas 7x7 array (14,336)
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parameter (NZ=NSPS*NN) !Samples in full 15 s waveform (157,696)
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parameter (NMAX=15*12000) !Samples in iwave (180,000)
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parameter (NFFT1=1*NSPS, NH1=NFFT1/2) !Length of FFTs for symbol spectra
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