2018-12-15 07:25:41 -05:00
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! LDPC (174,91) code
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parameter (KK=91) !Information bits (77 + CRC14)
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2018-03-24 07:20:34 -04:00
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parameter (ND=58) !Data symbols
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parameter (NS=21) !Sync symbols (3 @ Costas 7x7)
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parameter (NN=NS+ND) !Total channel symbols (79)
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2018-04-01 16:08:21 -04:00
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parameter (NSPS=640) !Samples per symbol at 4000 S/s
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parameter (NZ=NSPS*NN) !Samples in full 15 s waveform (50,560)
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parameter (NMAX=15*4000) !Samples in iwave (60,000)
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2018-10-13 16:32:59 -04:00
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parameter (NFFT1=2*NSPS) !Length of FFTs for symbol spectra
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2018-03-24 07:20:34 -04:00
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parameter (NSTEP=NSPS/4) !Rough time-sync step size
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parameter (NHSYM=NMAX/NSTEP-3) !Number of symbol spectra (1/4-sym steps)
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2018-04-01 16:08:21 -04:00
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parameter (NDOWN=20) !Downsample factor
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2019-02-10 18:59:51 -05:00
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parameter (MAXCAND=500)
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