mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-10-31 13:10:19 -04:00
15 lines
906 B
Fortran
15 lines
906 B
Fortran
|
!parameter (NDOWN=540) !Downsample factor (default 540)
|
||
|
|
parameter (NDOWN=30) !Downsample factor (default 540)
|
||
|
|
parameter (KK=60) !Information bits (50 + CRC10)
|
||
|
|
parameter (ND=300) !Data symbols: LDPC (300,60), r=1/5
|
||
|
|
parameter (NS=109) !Sync symbols (2 x 48 + Barker 13)
|
||
|
|
parameter (NR=3) !Ramp up/down
|
||
|
|
parameter (NN=NR+NS+ND) !Total symbols (412)
|
||
|
|
parameter (NSPS0=8640) !Samples per symbol at 12000 S/s
|
||
|
|
parameter (NSPS=NSPS0/NDOWN) !Samples per MSK symbol (16)
|
||
|
|
parameter (N2=2*NSPS) !Samples per OQPSK symbol (32)
|
||
|
|
parameter (N13=13*N2) !Samples in central sync vector (416)
|
||
|
|
parameter (NZ=NSPS*NN) !Samples in baseband waveform (6592)
|
||
|
|
parameter (NZMAX=NSPS0*NN)
|
||
|
|
parameter (NFFT1=4*NSPS,NH1=NFFT1/2)
|