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Merge improvements to the FT algorithm into Bill's new structure for
the Fortran routines. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6328 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
parent
9e2fd2e11a
commit
5bfa43f46f
@ -215,16 +215,22 @@ contains
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integer, intent(in) :: hard_min
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integer, intent(in) :: aggression
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integer param(0:8)
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real rtt
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common/test000/param !### TEST ONLY ###
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rtt=0.001*param(4)
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!$omp critical(decode_results)
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write(*,1010) utc,snr,dt,freq,decoded
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1010 format(i4.4,i4,f5.1,i5,1x,'#',1x,a22)
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write(13,1012) utc,nint(sync),snr,dt,float(freq),drift,decoded,ft
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1012 format(i4.4,i4,i5,f6.1,f8.0,i4,3x,a22,' JT65',i4)
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call flush(6)
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! write(79,3001) utc,nint(sync),snr,dt,freq,candidates, &
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write(79,3001) utc,sync,snr,dt,freq,candidates, &
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hard_min,total_min,tries,aggression,ft,qual,decoded
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3001 format(i4.4,f6.2,i4,f6.2,i5,i7,i3,i4,i8,i3,i2,i5,1x,a22)
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! write(79,3001) utc,sync,snr,dt,freq,candidates, &
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! hard_min,total_min,rtt,tries,ft,min(qual,99),decoded
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!3001 format(i4.4,f5.1,i4,f5.1,i5,i6,i3,i4,f6.3,i8,i2,i3,1x,a22)
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! flush(79)
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!$omp end critical(decode_results)
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select type(this)
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type is (counting_jt65_decoder)
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@ -81,11 +81,17 @@ subroutine extract(s3,nadd,ntrials,naggressive,ndepth,mycall_12, &
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nhard=param(1)
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nsoft=param(2)
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nerased=param(3)
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nsofter=param(4)
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rtt=0.001*param(4)
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ntotal=param(5)
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qual=0.001*param(7)
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qmin=11-naggressive
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if(qual.ge.qmin) nft=1
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nd0=81
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r0=0.87
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if(naggressive.eq.10) then
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nd0=83
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r0=0.90
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endif
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if(ntotal.le.nd0 .and. rtt.le.r0) nft=1
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! nft=1 !### TEST ONLY ###
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if(nft.eq.0 .and. ndepth.ge.5) then
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call timer('exp_deco',0)
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@ -97,7 +103,7 @@ subroutine extract(s3,nadd,ntrials,naggressive,ndepth,mycall_12, &
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nft=2
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else
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decoded=' '
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param=0
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!### param=0
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ntry=0
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endif
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call timer('exp_deco',1)
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@ -143,16 +149,14 @@ subroutine getpp(workdat,p)
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call graycode(a,63,1,a)
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psum=0.
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ref=0.
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do j=1,63
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i=a(j)+1
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x=s3a(i,j)
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s3a(i,j)=0.
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psum=psum + x
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ref=ref + maxval(s3a(1:64,j))
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s3a(i,j)=x
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enddo
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p=psum/ref
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p=psum/63.0
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return
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end subroutine getpp
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@ -38,8 +38,7 @@ void ftrsd2_(int mrsym[], int mrprob[], int mr2sym[], int mr2prob[],
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int nhard=0,nhard_min=32768,nsoft=0,nsoft_min=32768;
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int nsofter=0,nsofter_min=32768,ntotal=0,ntotal_min=32768,ncandidates;
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int nera_best=0;
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float pp,pp1,pp2,bias;
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float qual=0.0;
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float pp,pp1,pp2;
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static unsigned int nseed;
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// Power-percentage symbol metrics - composite gnnf/hf
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@ -121,8 +120,10 @@ Hard-decision decoding failed. Try the FT soft-decision method.
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Generate random erasure-locator vectors and see if any of them
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decode. This will generate a list of "candidate" codewords. The
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soft distance between each candidate codeword and the received
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word (or a quality estimator "qual") is used to decide which
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candidate codeword is "best".
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word is estimated by finding the largest (pp1) and second-largest
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(pp2) outputs from a synchronized filter-bank operating on the
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symbol spectra, and using these to decide which candidate
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codeword is "best".
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*/
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nseed=1; //Seed for random numbers
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@ -173,8 +174,8 @@ NB: j is the symbol-vector index of the symbol with rank i.
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nerr=decode_rs_int(rs,workdat,era_pos,numera,0);
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if( nerr >= 0 ) {
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// We have a candidate coderowd. Find its hard and soft distance from
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// the received word. Also find its quality estimate "qual" from the
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// full s3(64,63) array of synchronized symbol spectra.
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// the received word. Also find pp1 and pp2 from the full array
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// s3(64,63) of synchronized symbol spectra.
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ncandidates=ncandidates+1;
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nhard=0;
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nsoft=0;
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@ -205,17 +206,12 @@ NB: j is the symbol-vector index of the symbol with rank i.
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memcpy(correct,workdat,63*sizeof(int));
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nera_best=numera;
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ntry[0]=k;
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bias=1.12*pp2;
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if(bias<0.570) bias=0.570;
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// if(bias<0.335) bias=0.335;
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// if(mode65.eq.2) bias=max(1.08*p2,0.405)
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// if(mode65.ge.4) bias=max(1.04*p2,0.505)
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qual=100.0*(pp1-bias);
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} else {
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if(pp>pp2 && pp!=pp1) pp2=pp;
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}
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if(qual>10.0 && ncandidates>=100) break;
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// if(pp2==0.0 && pp1>5.0) break;
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// if(pp2>0.0 && pp1>4.4 && pp1>pp2+0.6) break;
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if(ntotal_min <= 81 && pp2/pp1 <= 0.87) break;
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}
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if(k == ntrials) ntry[0]=k;
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}
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@ -230,10 +226,11 @@ NB: j is the symbol-vector index of the symbol with rank i.
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param[1]=nhard_min;
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param[2]=nsoft_min;
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param[3]=nera_best;
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param[4]=nsofter_min;
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param[4]=1000.0*pp2/pp1;
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param[5]=ntotal_min;
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param[6]=ntry[0];
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param[7]=1000.0*qual;
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param[7]=1000.0*pp2;
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param[8]=1000.0*pp1;
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if(param[0]==0) param[2]=-1;
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return;
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}
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@ -77,8 +77,8 @@ contains
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logical :: first_time, robust
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common/decstats/ntry65a,ntry65b,n65a,n65b,num9,numfano
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common/steve/thresh0
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common/test000/ncandidates,nhard_min,nsoft_min,nera_best,nsofter_min, &
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ntotal_min,ntry,nq1000,ntot !### TEST ONLY ###
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common/test000/ncandidates,nhard_min,nsoft_min,nera_best,nrtt1000, &
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ntotal_min,ntry,nq1000,npp1 !### TEST ONLY ###
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save
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this%callback => callback
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@ -34,7 +34,7 @@ contains
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end subroutine test
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subroutine my_callback (this, utc, sync, snr, dt, freq, drift, decoded &
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, ft, qual, candidates, tries, total_min, hard_min, aggression)
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, ft, qual, candidates, tries, total_min, hard_min, aggression, rtt)
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use jt65_decode
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implicit none
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@ -53,16 +53,17 @@ contains
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integer, intent(in) :: total_min
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integer, intent(in) :: hard_min
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integer, intent(in) :: aggression
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real, intent(in) :: rtt
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write(*,1010) utc,snr,dt,freq,decoded
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1010 format(i4.4,i4,f5.1,i5,1x,'#',1x,a22)
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write(13,1012) utc,nint(sync),snr,dt,float(freq),drift,decoded,ft
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1012 format(i4.4,i4,i5,f6.1,f8.0,i4,3x,a22,' JT65',i4)
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call flush(6)
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! write(79,3001) utc,nint(sync),snr,dt,freq,candidates, &
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write(79,3001) utc,sync,snr,dt,freq,candidates, &
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hard_min,total_min,tries,aggression,ft,qual,decoded
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3001 format(i4.4,f6.2,i4,f6.2,i5,i7,i3,i4,i8,i3,i2,i5,1x,a22)
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! write(79,3001) utc,sync,snr,dt,freq,candidates, &
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! hard_min,total_min,rtt,tries,ft,qual,decoded
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!3001 format(i4.4,f5.1,i4,f5.1,i5,i6,i3,i4,f6.3,i8,i2,i3,1x,a22)
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end subroutine my_callback
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end module jt65_test
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@ -254,11 +254,15 @@ program jt9
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shared_data%params%nzhsym=181
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shared_data%params%ndepth=ndepth
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shared_data%params%dttol=3.
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shared_data%params%minsync=-1 !### TEST ONLY
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!mycall="K1ABC " !### TEST ONLY
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shared_data%params%nfqso=1500 !### TEST ONLY
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mycall="K1ABC " !### TEST ONLY
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shared_data%params%naggressive=10
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shared_data%params%n2pass=1
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shared_data%params%nranera=8 ! ntrials=10000
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shared_data%params%nranera=8 !### ntrials=10000
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if(ndepth.eq.4) shared_data%params%nranera=10 !### ntrials=100,000
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shared_data%params%nrobust=.false.
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shared_data%params%nexp_decode=nexp_decode
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shared_data%params%mycall=mycall
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@ -22,8 +22,9 @@ program stats
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i1=index(infile,".")+1
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i2=40
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if(index(infile,"_").gt.1) i2=index(infile,"_") - 1
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read(infile(i1:i2),*) snrgen
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snrgen=-snrgen
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snrgen=0.
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read(infile(i1:i2),*,err=1) snrgen
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1 snrgen=-snrgen
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nsynced=0
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nbm=0
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nftok=0
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@ -34,8 +35,9 @@ program stats
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do iline=1,999999
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read(10,1010,end=100) nutc,sync,nsnr,dt,nfreq,ncandidates,nhard, &
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ntotal,ntry,naggressive,nft,nqual,decoded
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1010 format(i4.4,f6.2,i4,f6.2,i5,i7,i3,i4,i8,i3,i2,i5,1x,a22)
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ntotal,rtt,ntry,nft,nqual,decoded
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1010 format(i4.4,f5.1,i4,f5.1,i5,i6,i3,i4,f6.3,i8,i2,i3,1x,a22)
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! ndfreq=9999
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! do ifreq=600,2400,200
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! n=abs(nfreq-ifreq)
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@ -49,13 +51,16 @@ program stats
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nbadsync=nbadsync+1
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endif
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if(decoded.eq.' ') cycle
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if(decoded(1:11).eq.'K1ABC W9XYZ') then
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ngood=ngood+1
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if(ncandidates.eq.0) nbm=nbm+1
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if(nft.eq.1) nftok=nftok+1
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if(nft.ge.1) nhint=nhint+1
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else
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nbad=nbad+1
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! if(ntotal.le.83 .and. rtt.le.0.90) then !nag=10
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if(ntotal.le.81 .and. rtt.le.0.87) then !nag=0
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if(decoded(1:11).eq.'K1ABC W9XYZ') then
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ngood=ngood+1
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if(ncandidates.eq.0) nbm=nbm+1
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if(nft.eq.1) nftok=nftok+1
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if(nft.ge.1) nhint=nhint+1
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else
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nbad=nbad+1
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endif
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endif
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enddo
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