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https://github.com/saitohirga/WSJT-X.git
synced 2025-09-02 05:07:54 -04:00
Merge r4556,4557,4558,4571 from branches/wsjtx to branches/wsjtx-1.4.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx-1.4@4595 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
parent
d3c3f79ca5
commit
dfaa600a39
@ -21,7 +21,6 @@ subroutine decoder(ss,id2)
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common/tracer/limtrace,lu
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save
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call system_clock(iclock0,iclock_rate,iclock_max) !###
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nfreqs0=0
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nfreqs1=0
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ndecodes0=0
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@ -84,13 +83,13 @@ subroutine decoder(ss,id2)
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dblim=db(864.0/nsps8) - 26.2
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do nqd=1,0,-1
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limit=1000
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ccflim=4.0
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limit=5000
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ccflim=3.0
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red2lim=1.6
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schklim=2.2
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if(ndepth.eq.2) then
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limit=10000
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ccflim=3.5
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ccflim=2.7
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endif
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if(ndepth.ge.3 .or. nqd.eq.1) then
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limit=100000
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@ -135,17 +134,15 @@ subroutine decoder(ss,id2)
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freq,drift,schk,i1SoftSymbols)
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call timer('softsym ',1)
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! write(71,3001) nqd,i,f,fpk,ccfred(i),red2(i),schk
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!3001 format(2i6,2f8.1,3f6.1)
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! call flush(71)
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if(schk.lt.schklim) cycle
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sync=(syncpk+1)/4.0
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if(maxval(i1SoftSymbols).eq.0) cycle
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if(nqd.eq.1 .and. ((sync.lt.0.5) .or. (schk.lt.2.0))) cycle
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if(nqd.ne.1 .and. ((sync.lt.1.0) .or. (schk.lt.schklim))) cycle
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call timer('decode9 ',0)
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call decode9(i1SoftSymbols,limit,nlim,msg)
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call timer('decode9 ',1)
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sync=(syncpk+1)/4.0
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if(sync.lt.0.0 .or. snrdb.lt.dblim-2.0) sync=0.0
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nsync=sync
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if(nsync.gt.10) nsync=10
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@ -183,7 +180,7 @@ subroutine decoder(ss,id2)
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call jt65a(dd,npts65,newdat,nutc,nf1,nf2,nfqso,ntol65,nagain,ndecoded)
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endif
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!### JT65 is not yet producing info for nsynced, ndecoded.
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! JT65 is not yet producing info for nsynced, ndecoded.
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800 write(*,1010) nsynced,ndecoded
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1010 format('<DecodeFinished>',2i4)
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call flush(6)
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@ -1,4 +1,4 @@
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subroutine demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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subroutine demod64a(s3,nadd,afac1,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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! Demodulate the 64-bin spectra for each of 63 symbols in a frame.
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@ -10,23 +10,16 @@ subroutine demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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! mr2prob probability that mr2sym was the transmitted value
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implicit real*8 (a-h,o-z)
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real*4 s3(64,63)
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real*4 s3(64,63),afac1
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real*8 fs(64)
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integer mrsym(63),mrprob(63),mr2sym(63),mr2prob(63)
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! common/mrscom/ mrs(63),mrs2(63)
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if(nadd.eq.-999) return
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afac=1.1 * float(nadd)**0.64
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afac=afac1 * float(nadd)**0.64
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scale=255.999
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! Compute average spectral value
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sum=0.
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do j=1,63
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do i=1,64
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sum=sum+s3(i,j)
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enddo
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enddo
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ave=sum/(64.*63.)
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ave=sum(s3)/(64.*63.)
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i1=1 !Silence warning
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i2=1
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@ -57,17 +50,13 @@ subroutine demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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mr2sym(j)=i2-1
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mrprob(j)=scale*p1
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mr2prob(j)=scale*p2
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! mrs(j)=i1
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! mrs2(j)=i2
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enddo
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sum=0.
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nlow=0
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do j=1,63
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sum=sum+mrprob(j)
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if(mrprob(j).le.5) nlow=nlow+1
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enddo
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ntest=sum/63
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ntest=sum(mrprob)/63.0
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return
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end subroutine demod64a
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@ -1,31 +1,52 @@
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subroutine extract(s3,nadd,ncount,nhist,decoded,ltext,nbmkv)
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!subroutine extract(s3,nadd,nbirdie,afac1,xlambda,ncount,nhist,decoded, &
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! ltext,nbmkv,ntest)
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use prog_args
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! Input:
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! s3 64-point spectra for each of 63 data symbols
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! nadd number of spectra summed into s3
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! Output:
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! ncount number of symbols requiring correction
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! nhist maximum number of identical symbol values
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! decoded decoded message (if ncount >=0)
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! ltext true if decoded message is free text
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! nbmkv 0=no decode; 1=BM decode; 2=KV decode
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use prog_args !shm_key, exe_dir, data_dir
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real s3(64,63)
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character decoded*22
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integer era(51),dat4(12),indx(64)
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integer dat4(12)
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integer mrsym(63),mr2sym(63),mrprob(63),mr2prob(63)
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logical nokv,ltext
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data nokv/.false./,nsec1/0/
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save
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nbirdie=7
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npct=40
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afac1=10.1
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xlambda=8.0
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nbmkv=0
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nfail=0
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1 continue
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call demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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if(ntest.lt.50 .or. nlow.gt.20) then
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ncount=-999 !Flag bad data
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decoded=' '
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call pctile(s3,4032,npct,base)
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s3=s3/base
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! Get most reliable and second-most-reliable symbol values, and their
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! probabilities
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1 call demod64a(s3,nadd,afac1,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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if(ntest.lt.100) then
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ncount=-999 !Flag and reject bad data
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go to 900
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endif
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call chkhist(mrsym,nhist,ipk)
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if(nhist.ge.20) then
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call chkhist(mrsym,nhist,ipk) !Test for birdies and QRM
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if(nhist.ge.nbirdie) then
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nfail=nfail+1
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call pctile(s3,4032,50,base) ! ### or, use ave from demod64a
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do j=1,63
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s3(ipk,j)=base
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enddo
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call pctile(s3,4032,npct,base)
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s3(ipk,1:63)=base
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if(nfail.gt.30) then
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decoded=' '
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ncount=-1
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@ -34,42 +55,27 @@ subroutine extract(s3,nadd,ncount,nhist,decoded,ltext,nbmkv)
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go to 1
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endif
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call graycode65(mrsym,63,-1)
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call interleave63(mrsym,-1)
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call graycode65(mrsym,63,-1) !Remove gray code and interleaving
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call interleave63(mrsym,-1) !from most reliable symbols
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call interleave63(mrprob,-1)
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! Decode using Berlekamp-Massey algorithm
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nemax=30 !Max BM erasures
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call indexx(63,mrprob,indx)
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do i=1,nemax
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j=indx(i)
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if(mrprob(j).gt.120) then
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ne2=i-1
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go to 2
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endif
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era(i)=j-1
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enddo
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ne2=nemax
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2 decoded=' '
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do nerase=0,ne2,2
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call rs_decode(mrsym,era,nerase,dat4,ncount)
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if(ncount.ge.0) then
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call unpackmsg(dat4,decoded)
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if(iand(dat4(10),8).ne.0) ltext=.true.
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nbmkv=1
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go to 900
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endif
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enddo
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call timer('rs_decod',0)
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call rs_decode(mrsym,0,0,dat4,ncount)
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call timer('rs_decod',1)
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if(ncount.ge.0) then
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call unpackmsg(dat4,decoded)
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if(iand(dat4(10),8).ne.0) ltext=.true.
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nbmkv=1
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go to 900
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endif
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! Berlekamp-Massey algorithm failed, try Koetter-Vardy
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if(nokv) go to 900
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maxe=8 !Max KV errors in 12 most reliable symbols
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! xlambda=12.0
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xlambda=7.99
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call graycode65(mr2sym,63,-1)
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call interleave63(mr2sym,-1)
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call graycode65(mr2sym,63,-1) !Remove gray code and interleaving
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call interleave63(mr2sym,-1) !from second-most-reliable symbols
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call interleave63(mr2prob,-1)
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nsec1=nsec1+1
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@ -79,8 +85,8 @@ subroutine extract(s3,nadd,ncount,nhist,decoded,ltext,nbmkv)
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call flush(22)
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call timer('kvasd ',0)
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! TODO G4WJS: Take out '-q' argument once kvasd 1.12 is available for Mac and in the repo
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! where CMake fetches it from.
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! TODO G4WJS: Take out '-q' argument once kvasd 1.12 is available for
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! Mac and in the repo where CMake fetches it from.
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#ifdef WIN32
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iret=system('""'//trim(exe_dir)//'/kvasd" -q >dev_null"')
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! iret=system('""'//trim(exe_dir)//'/kvasd" kvasd.dat >dev_null"')
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@ -88,6 +94,7 @@ subroutine extract(s3,nadd,ncount,nhist,decoded,ltext,nbmkv)
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iret=system('"'//trim(exe_dir)//'/kvasd" -q >/dev/null')
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! iret=system('"'//trim(exe_dir)//'/kvasd" kvasd.dat >/dev/null')
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#endif
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call timer('kvasd ',1)
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if(iret.ne.0) then
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if(.not.nokv) write(*,1000) iret
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@ -97,7 +104,7 @@ subroutine extract(s3,nadd,ncount,nhist,decoded,ltext,nbmkv)
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endif
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read(22,rec=2,err=900) nsec2,ncount,dat4
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j=nsec2 !Silence compiler warning
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j=nsec2 !Silence compiler warning
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decoded=' '
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ltext=.false.
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if(ncount.ge.0) then
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@ -110,7 +117,5 @@ subroutine extract(s3,nadd,ncount,nhist,decoded,ltext,nbmkv)
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nbmkv=2
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endif
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900 continue
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return
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900 return
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end subroutine extract
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@ -34,7 +34,10 @@ subroutine symspec2(c5,nz3,nsps8,nspsd,fsample,freq,drift,snrdb,schk, &
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enddo
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call chkss2(ss2,freq,drift,schk)
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if(schk.lt.2.0) go to 900
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if(schk.lt.2.0) then
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i1SoftSymbolsScrambled=0
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go to 900
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endif
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ss=0.
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sig=0.
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@ -36,8 +36,11 @@ subroutine timer(dname,k)
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if(on(n)) print*,'Error in timer: ',dname,' already on.'
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level=level+1 !Increment the level
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on(n)=.true.
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call system_clock(icount,irate)
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ut0(n)=float(icount)/irate
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! call system_clock(icount,irate)
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! ut0(n)=float(icount)/irate
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! call cpu_time(ut0(n))
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ut0(n)=secnds(0.0)
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ncall(n)=ncall(n)+1
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if(ncall(n).gt.1.and.nlevel(n).ne.level) then
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nlevel(n)=-1
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@ -50,8 +53,11 @@ subroutine timer(dname,k)
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else if(k.eq.1) then !Get stop times and accumulate sums. (k=1)
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if(on(n)) then
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on(n)=.false.
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call system_clock(icount,irate)
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ut1=float(icount)/irate
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! call system_clock(icount,irate)
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! ut1=float(icount)/irate
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! call cpu_time(ut1)
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ut1=secnds(0.0)
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ut(n)=ut(n)+ut1-ut0(n)
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endif
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level=level-1
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@ -84,6 +90,7 @@ subroutine timer(dname,k)
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do j=i,nmax
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if(nparent(j).eq.i) dut(i)=dut(i)-ut(j)
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enddo
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if(dut(i).lt.0.0) dut(i)=0.0
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utf=ut(i)/total
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dutf=dut(i)/total
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sum=sum+dut(i)
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@ -94,7 +101,7 @@ subroutine timer(dname,k)
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if(i.ge.2) ename=name(nparent(i))
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write(lu,1060) float(i),sname,ut(i),utf,dut(i),dutf, &
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ncall(i),nlevel(i),ename
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1060 format(f4.0,a16,2(f10.2,f6.2),i7,i5,2x,a8)
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1060 format(f4.0,a16,2(f10.3,f6.2),i7,i5,2x,a8)
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enddo
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write(lu,1070) sum,sumf
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