mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-03-22 20:18:35 -04:00
Further work on ft8sim and ft8d.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7723 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
parent
ec673490b4
commit
9d89cc0719
@ -4,7 +4,6 @@ parameter (ND=58) !Data symbols
|
||||
parameter (NS=21) !Sync symbols (3 @ Costas 7x7)
|
||||
parameter (NN=NS+ND) !Total channel symbols (79)
|
||||
parameter (NSPS=2048) !Samples per symbol at 12000 S/s
|
||||
parameter (N7=7*NSPS) !Samples in Costas 7x7 array (14,336)
|
||||
parameter (NZ=NSPS*NN) !Samples in full 15 s waveform (161,792)
|
||||
parameter (NMAX=15*12000) !Samples in iwave (180,000)
|
||||
parameter (NFFT1=2*NSPS, NH1=NFFT1/2) !Length of FFTs for symbol spectra
|
||||
|
@ -12,7 +12,7 @@ program ft8d
|
||||
|
||||
include 'ft8_params.f90'
|
||||
parameter(NRECENT=10)
|
||||
character*12 recent_calls(NRECENT)
|
||||
character*12 recent_calls(NRECENT),arg
|
||||
character message*22,infile*80,datetime*13
|
||||
real s(NH1,NHSYM)
|
||||
real s1(0:7,ND)
|
||||
@ -21,13 +21,20 @@ program ft8d
|
||||
integer ihdr(11)
|
||||
integer*2 iwave(NMAX) !Generated full-length waveform
|
||||
! integer*1 idat(7)
|
||||
integer*1 decoded(KK),apmask(ND),cw(ND)
|
||||
|
||||
integer*1 decoded(KK),apmask(3*ND),cw(3*ND)
|
||||
integer*8 count0,count1,clkfreq
|
||||
|
||||
nargs=iargc()
|
||||
if(nargs.lt.1) then
|
||||
print*,'Usage: ft8d file1 [file2 ...]'
|
||||
if(nargs.lt.3) then
|
||||
print*,'Usage: ft8d MaxIt Norder file1 [file2 ...]'
|
||||
print*,'Example ft8d 40 2 *.wav'
|
||||
go to 999
|
||||
endif
|
||||
call getarg(1,arg)
|
||||
read(arg,*) max_iterations
|
||||
call getarg(2,arg)
|
||||
read(arg,*) norder
|
||||
nfiles=nargs-2
|
||||
|
||||
twopi=8.0*atan(1.0)
|
||||
fs=12000.0 !Sample rate
|
||||
@ -36,15 +43,22 @@ program ft8d
|
||||
ts=2*NSPS*dt !Duration of OQPSK symbols (s)
|
||||
baud=1.0/tt !Keying rate (baud)
|
||||
txt=NZ*dt !Transmission length (s)
|
||||
nsync=0
|
||||
ngood=0
|
||||
nbad=0
|
||||
tsec=0.
|
||||
|
||||
do ifile=1,nargs
|
||||
call getarg(ifile,infile)
|
||||
do ifile=1,nfiles
|
||||
call getarg(ifile+2,infile)
|
||||
open(10,file=infile,status='old',access='stream')
|
||||
read(10,end=999) ihdr,iwave
|
||||
close(10)
|
||||
j2=index(infile,'.wav')
|
||||
read(infile(j2-6:j2-1),*) nutc
|
||||
datetime=infile(j2-13:j2-1)
|
||||
call system_clock(count0,clkfreq)
|
||||
|
||||
! call ft8filbig(iwave,NN*NSPS)
|
||||
call sync8(iwave,xdt,f1,s)
|
||||
|
||||
xsnr=0.
|
||||
@ -85,28 +99,30 @@ program ft8d
|
||||
ss=0.84
|
||||
llr=2.0*rxdata/(ss*ss)
|
||||
apmask=0
|
||||
max_iterations=40
|
||||
ifer=0
|
||||
call bpdecode174(llr,apmask,max_iterations,decoded,niterations)
|
||||
if(niterations.lt.0) then
|
||||
write(41,*) llr,apmask,max_iterations,decoded,niterations
|
||||
call osd174(llr,2,decoded,niterations,cw)
|
||||
write(42,*) llr,apmask,max_iterations,decoded,niterations
|
||||
! if(niterations.lt.0) stop
|
||||
endif
|
||||
if(niterations.lt.0) call osd174(llr,norder,decoded,nharderrors,cw)
|
||||
nbadcrc=0
|
||||
if(niterations.ge.0) call chkcrc12a(decoded,nbadcrc)
|
||||
if(niterations.lt.0 .or. nbadcrc.ne.0) ifer=1
|
||||
call chkcrc12a(decoded,nbadcrc)
|
||||
|
||||
message=' '
|
||||
if(ifer.eq.0) then
|
||||
if(nbadcrc.eq.0) then
|
||||
call extractmessage174(decoded,message,ncrcflag,recent_calls,nrecent)
|
||||
endif
|
||||
nsnr=nint(xsnr)
|
||||
write(13,1110) datetime,0,nsnr,xdt,freq,message,nfdot
|
||||
1110 format(a11,2i4,f6.2,f12.7,2x,a22,i3)
|
||||
write(13,1110) datetime,0,nsnr,xdt,f1,niterations,nharderrors,message
|
||||
1110 format(a13,2i4,f6.2,f7.1,2i4,2x,a22)
|
||||
write(*,1112) datetime(8:13),nsnr,xdt,nint(f1),message
|
||||
1112 format(a6,i4,f5.1,i6,2x,a22)
|
||||
enddo ! ifile loop
|
||||
if(abs(xdt).le.0.1 .or. abs(f1-1500).le.2.93) nsync=nsync+1
|
||||
if(message.eq.'K1ABC W9XYZ EN37 ') ngood=ngood+1
|
||||
if(message.ne.'K1ABC W9XYZ EN37 ' .and. &
|
||||
message.ne.' ') nbad=nbad+1
|
||||
call system_clock(count1,clkfreq)
|
||||
tsec=tsec+float(count1-count0)/float(clkfreq)
|
||||
enddo ! ifile loop
|
||||
|
||||
write(*,1100) max_iterations,norder,float(nsync)/nfiles,float(ngood)/nfiles, &
|
||||
float(nbad)/nfiles,tsec/nfiles
|
||||
1100 format(2i5,3f8.4,f9.3)
|
||||
|
||||
999 end program ft8d
|
||||
|
@ -50,7 +50,6 @@ program ft8sim
|
||||
write(*,1000) f0,xdt,txt,snrdb,bw,msgsent
|
||||
1000 format('f0:',f9.3,' DT:',f6.2,' TxT:',f6.1,' SNR:',f6.1, &
|
||||
' BW:',f4.1,2x,a22)
|
||||
|
||||
phi=0.0
|
||||
c0=0.
|
||||
k=-1 + nint(xdt/dt)
|
||||
|
@ -1,6 +1,6 @@
|
||||
subroutine pctile(x,npts,npct,xpct)
|
||||
|
||||
parameter (NMAX=100000)
|
||||
parameter (NMAX=128*1024)
|
||||
real*4 x(npts)
|
||||
real*4 tmp(NMAX)
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user