mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-10-31 13:10:19 -04:00
Updates and additions to wsprcpm files.
This commit is contained in:
Steven Franke
parent
3f7b06853e
commit
cf5a69d25b
@ -596,6 +596,13 @@ set (wsjt_FSRCS
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lib/wqencode.f90
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lib/wspr_downsample.f90
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lib/zplot9.f90
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lib/fsk4hf/wsprcpmsim.f90
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lib/fsk4hf/wsprcpm_wav.f90
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lib/fsk4hf/wsprcpmd.f90
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lib/fsk4hf/bpdecode204.f90
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lib/fsk4hf/osd204.f90
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lib/fsk4hf/genwsprcpm.f90
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lib/fsk4hf/encode204.f90
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)
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# temporary workaround for a gfortran v7.3 ICE on Fedora 27 64-bit
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@ -1327,6 +1334,12 @@ target_link_libraries (ft4sim_mult wsjt_fort wsjt_cxx)
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add_executable (record_time_signal Audio/tools/record_time_signal.cpp)
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target_link_libraries (record_time_signal wsjt_cxx wsjt_qtmm wsjt_qt)
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add_executable (wsprcpmsim lib/fsk4hf/wsprcpmsim.f90 wsjtx.rc)
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target_link_libraries (wsprcpmsim wsjt_fort wsjt_cxx)
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add_executable (wsprcpmd lib/fsk4hf/wsprcpmd.f90 wsjtx.rc)
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target_link_libraries (wsprcpmd wsjt_fort wsjt_cxx)
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endif(WSJT_BUILD_UTILS)
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# build the main application
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@ -1,70 +1,70 @@
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subroutine genwsprcpm(msg,msgsent,itone)
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! Encode a WSPRCPM message, producing array itone().
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!
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use crc
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include 'wsprcpm_params.f90'
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!
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use crc
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include 'wsprcpm_params.f90'
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character*22 msg,msgsent
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character*64 cbits
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character*32 sbits
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integer iuniqueword0
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integer*1,target :: idat(9)
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integer*1 msgbits(68),codeword(ND)
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logical first
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integer icw(ND)
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integer id(NS+ND)
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integer jd(NS+ND)
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integer ipreamble(16) !Freq estimation preamble
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integer isync(200) !Long sync vector
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integer itone(NN)
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data ipreamble/1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1/
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data first/.true./
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data iuniqueword0/z'30C9E8AD'/
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save first,isync,ipreamble
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character*22 msg,msgsent
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character*64 cbits
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character*32 sbits
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integer iuniqueword0
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integer*1,target :: idat(9)
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integer*1 msgbits(68),codeword(ND)
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logical first
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integer icw(ND)
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integer id(NS+ND)
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integer jd(NS+ND)
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integer ipreamble(16) !Freq estimation preamble
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integer isync(200) !Long sync vector
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integer itone(NN)
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data ipreamble/1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1/
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data first/.true./
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data iuniqueword0/z'30C9E8AD'/
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save first,isync,ipreamble
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if(first) then
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write(sbits,'(b32.32)') iuniqueword0
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read(sbits,'(32i1)') isync(1:32)
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read(sbits,'(32i1)') isync(33:64)
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read(sbits,'(32i1)') isync(65:96)
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read(sbits,'(32i1)') isync(97:128)
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read(sbits,'(32i1)') isync(129:160)
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read(sbits,'(32i1)') isync(161:192)
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read(sbits,'(8i1)') isync(193:200)
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first=.false.
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endif
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if(first) then
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write(sbits,'(b32.32)') iuniqueword0
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read(sbits,'(32i1)') isync(1:32)
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read(sbits,'(32i1)') isync(33:64)
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read(sbits,'(32i1)') isync(65:96)
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read(sbits,'(32i1)') isync(97:128)
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read(sbits,'(32i1)') isync(129:160)
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read(sbits,'(32i1)') isync(161:192)
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read(sbits,'(8i1)') isync(193:200)
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first=.false.
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endif
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idat=0
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call wqencode(msg,ntype0,idat) !Source encoding
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id7=idat(7)
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if(id7.lt.0) id7=id7+256
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id7=id7/64
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write(*,*) 'idat ',idat
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icrc=crc14(c_loc(idat),9)
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write(*,*) 'icrc: ',icrc
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write(*,'(a6,b16.16)') 'icrc: ',icrc
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call wqdecode(idat,msgsent,itype)
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print*,msgsent,itype
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write(cbits,1004) idat(1:6),id7,iand(icrc,z'3FFF')
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idat=0
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call wqencode(msg,ntype0,idat) !Source encoding
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id7=idat(7)
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if(id7.lt.0) id7=id7+256
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id7=id7/64
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write(*,*) 'idat ',idat
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icrc=crc14(c_loc(idat),9)
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write(*,*) 'icrc: ',icrc
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write(*,'(a6,b16.16)') 'icrc: ',icrc
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call wqdecode(idat,msgsent,itype)
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print*,msgsent,itype
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write(cbits,1004) idat(1:6),id7,iand(icrc,z'3FFF')
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1004 format(6b8.8,b2.2,b14.14)
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msgbits=0
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read(cbits,1006) msgbits(1:64)
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msgbits=0
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read(cbits,1006) msgbits(1:64)
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1006 format(64i1)
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write(*,'(50i1,1x,14i1,1x,4i1)') msgbits
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write(*,'(50i1,1x,14i1,1x,4i1)') msgbits
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call encode204(msgbits,codeword) !Encode the test message
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call encode204(msgbits,codeword) !Encode the test message
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! Message structure:
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! d100 p16 d100
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itone(1:100)=isync(1:100)+2*codeword(1:100)
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itone(101:116)=ipreamble+1
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itone(117:216)=isync(101:200)+2*codeword(101:200)
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itone=2*itone-3
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do i=1,216
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write(*,*) i,itone(i)
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enddo
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! d100 p16 d100
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itone(1:100)=isync(1:100)+2*codeword(1:100)
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itone(101:116)=ipreamble+1
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itone(117:216)=isync(101:200)+2*codeword(101:200)
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itone=2*itone-3
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do i=1,216
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write(*,*) i,itone(i)
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enddo
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return
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return
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end subroutine genwsprcpm
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@ -1,44 +1,44 @@
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subroutine wsprcpm_wav(baud,xdt,h,f0,itone,snrdb,iwave)
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! Generate iwave() from itone().
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include 'wsprcpm_params.f90'
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parameter (NMAX=120*12000)
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integer itone(NN)
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integer*2 iwave(NMAX)
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real*8 twopi,dt,dphi0,dphi1,dphi,phi
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real dat(NMAX)
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twopi=8.d0*atan(1.d0)
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dt=1.d0/12000.d0
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include 'wsprcpm_params.f90'
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parameter (NMAX=120*12000)
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integer itone(NN)
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integer*2 iwave(NMAX)
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real*8 twopi,dt,dphi0,dphi1,dphi,phi
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real dat(NMAX)
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dat=0.
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if(snrdb.lt.90) then
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do i=1,NMAX
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dat(i)=gran() !Generate gaussian noise
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enddo
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bandwidth_ratio=2500.0/6000.0
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sig=sqrt(2*bandwidth_ratio)*10.0**(0.05*snrdb)
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else
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sig=1.0
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endif
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twopi=8.d0*atan(1.d0)
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dt=1.d0/12000.d0
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phi=0.d0
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k=nint(xdt/dt)
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do j=1,NN
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dphi=twopi*(f0+itone(j)*(h/2.0d0)*baud)*dt
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do i=1,NSPS0
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k=k+1
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phi=phi+dphi
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if(phi.gt.twopi) phi=phi-twopi
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xphi=phi
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if(k.gt.0 .and. k.le.NMAX) dat(k)=dat(k) + sig*sin(xphi)
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enddo
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enddo
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fac=32767.0
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rms=100.0
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if(snrdb.ge.90.0) iwave=nint(fac*dat)
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if(snrdb.lt.90.0) iwave=nint(rms*dat)
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dat=0.
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if(snrdb.lt.90) then
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do i=1,NMAX
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dat(i)=gran() !Generate gaussian noise
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enddo
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bandwidth_ratio=2500.0/6000.0
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sig=sqrt(2*bandwidth_ratio)*10.0**(0.05*snrdb)
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else
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sig=1.0
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endif
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return
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phi=0.d0
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k=nint(xdt/dt)
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do j=1,NN
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dphi=twopi*(f0+itone(j)*(h/2.0d0)*baud)*dt
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do i=1,NSPS0
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k=k+1
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phi=phi+dphi
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if(phi.gt.twopi) phi=phi-twopi
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xphi=phi
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if(k.gt.0 .and. k.le.NMAX) dat(k)=dat(k) + sig*sin(xphi)
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enddo
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enddo
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fac=32767.0
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rms=100.0
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if(snrdb.ge.90.0) iwave=nint(fac*dat)
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if(snrdb.lt.90.0) iwave=nint(rms*dat)
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return
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end subroutine wsprcpm_wav
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File diff suppressed because it is too large
Load Diff
@ -1,109 +1,106 @@
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program wsprcpmsim
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! Generate simulated data for a 2-minute "WSPR-LF" mode. Output is saved
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! Generate simulated data for a 2-minute "WSPR-LF" mode. Output is saved
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! to a *.c2 or *.wav file.
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use wavhdr
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include 'wsprcpm_params.f90' !Set various constants
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parameter (NMAX=120*12000)
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type(hdr) hwav !Header for .wav file
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character arg*12,fname*16
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character msg*22,msgsent*22
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complex c0(0:NMAX/NDOWN-1)
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complex c(0:NMAX/NDOWN-1)
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real*8 fMHz
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integer itone(NN)
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integer*2 iwave(NMAX) !Generated full-length waveform
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use wavhdr
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include 'wsprcpm_params.f90' !Set various constants
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parameter (NMAX=120*12000)
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type(hdr) hwav !Header for .wav file
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character arg*12,fname*16
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character msg*22,msgsent*22
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complex c0(0:NMAX/NDOWN-1)
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complex c(0:NMAX/NDOWN-1)
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real*8 fMHz
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integer itone(NN)
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integer*2 iwave(NMAX) !Generated full-length waveform
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! Get command-line argument(s)
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nargs=iargc()
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if(nargs.ne.8) then
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print*,'Usage: wsprmsksim "message" f0 DT fsp del nwav nfiles snr'
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print*,'Example: wsprmsksim "K1ABC FN42 30" 50 0.0 0.1 1.0 1 10 -33'
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go to 999
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endif
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call getarg(1,msg) !Message to be transmitted
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call getarg(2,arg)
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read(arg,*) f0 !Freq relative to WSPR-band center (Hz)
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call getarg(3,arg)
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read(arg,*) xdt !Time offset from nominal (s)
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call getarg(4,arg)
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read(arg,*) fspread !Watterson frequency spread (Hz)
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call getarg(5,arg)
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read(arg,*) delay !Watterson delay (ms)
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call getarg(6,arg)
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read(arg,*) nwav !1 for *.wav file, 0 for *.c2 file
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call getarg(7,arg)
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read(arg,*) nfiles !Number of files
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call getarg(8,arg)
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read(arg,*) snrdb !SNR_2500
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nargs=iargc()
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if(nargs.ne.9) then
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print*,'Usage: wsprcpmsim "message" f0 DT fsp del nwav nfiles snr h'
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print*,'Example: wsprcpmsim "K1ABC FN42 30" 50 0.0 0.1 1.0 1 10 -33 1.0'
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go to 999
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endif
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call getarg(1,msg) !Message to be transmitted
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call getarg(2,arg)
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read(arg,*) f0 !Freq relative to WSPR-band center (Hz)
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call getarg(3,arg)
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read(arg,*) xdt !Time offset from nominal (s)
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call getarg(4,arg)
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read(arg,*) fspread !Watterson frequency spread (Hz)
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call getarg(5,arg)
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read(arg,*) delay !Watterson delay (ms)
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call getarg(6,arg)
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read(arg,*) nwav !1 for *.wav file, 0 for *.c2 file
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call getarg(7,arg)
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read(arg,*) nfiles !Number of files
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call getarg(8,arg)
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read(arg,*) snrdb !SNR_2500
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call getarg(9,arg)
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read(arg,*) h !h
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twopi=8.0*atan(1.0)
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fs=12000.0/NDOWN !
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dt=1.0/fs !Sample interval (s)
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tt=NSPS*dt !Duration of "itone" symbols (s)
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baud=1.0/tt !Keying rate for "itone" symbols (baud)
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txt=NZ*dt !Transmission length (s)
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bandwidth_ratio=2500.0/(fs/2.0)
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sig=sqrt(bandwidth_ratio) * 10.0**(0.05*snrdb)
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if(snrdb.gt.90.0) sig=1.0
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txt=NN*NSPS0/12000.0
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twopi=8.0*atan(1.0)
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fs=12000.0/NDOWN !
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dt=1.0/fs !Sample interval (s)
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tt=NSPS*dt !Duration of "itone" symbols (s)
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baud=1.0/tt !Keying rate for "itone" symbols (baud)
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txt=NZ*dt !Transmission length (s)
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bandwidth_ratio=2500.0/(fs/2.0)
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sig=sqrt(bandwidth_ratio) * 10.0**(0.05*snrdb)
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if(snrdb.gt.90.0) sig=1.0
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txt=NN*NSPS0/12000.0
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call genwsprcpm(msg,msgsent,itone) !Encode the message, get itone
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write(*,1000) f0,xdt,txt,snrdb,fspread,delay,nfiles,msgsent
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call genwsprcpm(msg,msgsent,itone) !Encode the message, get itone
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write(*,1000) f0,xdt,txt,snrdb,fspread,delay,nfiles,msgsent
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1000 format('f0:',f9.3,' DT:',f6.2,' txt:',f6.1,' SNR:',f6.1, &
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' fspread:',f6.1,' delay:',f6.1,' nfiles:',i3,2x,a22)
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' fspread:',f6.1,' delay:',f6.1,' nfiles:',i3,2x,a22)
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c0=0.
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k=-1 + nint(xdt/dt)
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do j=1,NN
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dp=twopi*(f0+itone(j)*(h/2.0)*baud)*dt
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do i=1,NSPS
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k=k+1
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phi=mod(phi+dp,twopi)
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if(k.ge.0 .and. k.lt.NMAX/NDOWN) c0(k)=cmplx(cos(phi),sin(phi))
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enddo
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enddo
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call sgran()
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do ifile=1,nfiles
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c=c0
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if(nwav.eq.0) then
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if( fspread .ne. 0.0 .or. delay .ne. 0.0 ) then
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ntot=NMAX/NDOWN
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nsig=NN*NSPS
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call watterson(c,ntot,nsig,fs,delay,fspread)
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endif
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c=c*sig
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if(snrdb.lt.90) then
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do i=0,NMAX/NDOWN-1 !Add gaussian noise at specified SNR
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xnoise=gran()
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ynoise=gran()
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c(i)=c(i) + cmplx(xnoise,ynoise)
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enddo
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endif
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write(fname,1100) ifile
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1100 format('000000_',i4.4,'.c2')
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open(10,file=fname,status='unknown',access='stream')
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fMHz=10.1387d0
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nmin=2
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write(10) fname,nmin,fMHz,c !Save to *.c2 file
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close(10)
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else
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call wsprcpm_wav(baud,xdt,h,f0,itone,snrdb,iwave)
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hwav=default_header(12000,NMAX)
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write(fname,1102) ifile
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1102 format('000000_',i4.4,'.wav')
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open(10,file=fname,status='unknown',access='stream')
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write(10) hwav,iwave !Save to *.wav file
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close(10)
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endif
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write(*,1110) ifile,xdt,f0,snrdb,fname
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1110 format(i4,f7.2,f8.2,f7.1,2x,a16)
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enddo
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h=1.00
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c0=0.
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k=-1 + nint(xdt/dt)
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do j=1,NN
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dp=twopi*(f0+itone(j)*(h/2.0)*baud)*dt
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do i=1,NSPS
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k=k+1
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phi=mod(phi+dp,twopi)
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if(k.ge.0 .and. k.lt.NMAX/NDOWN) c0(k)=cmplx(cos(phi),sin(phi))
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enddo
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enddo
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call sgran()
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do ifile=1,nfiles
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c=c0
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if(nwav.eq.0) then
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if( fspread .ne. 0.0 .or. delay .ne. 0.0 ) then
|
||||
call watterson(c,NMAX/NDOWN,fs,delay,fspread)
|
||||
endif
|
||||
!do i=0,NMAX/NDOWN-1
|
||||
!write(23,*) i,real(c(i)),imag(c(i))
|
||||
!enddo
|
||||
c=c*sig
|
||||
if(snrdb.lt.90) then
|
||||
do i=0,NMAX/NDOWN-1 !Add gaussian noise at specified SNR
|
||||
xnoise=gran()
|
||||
ynoise=gran()
|
||||
c(i)=c(i) + cmplx(xnoise,ynoise)
|
||||
enddo
|
||||
endif
|
||||
write(fname,1100) ifile
|
||||
1100 format('000000_',i4.4,'.c2')
|
||||
open(10,file=fname,status='unknown',access='stream')
|
||||
fMHz=10.1387d0
|
||||
nmin=2
|
||||
write(10) fname,nmin,fMHz,c !Save to *.c2 file
|
||||
close(10)
|
||||
!do i=0,NMAX/NDOWN-1
|
||||
!write(57,*) i,real(c(i)),imag(c(i))
|
||||
!enddo
|
||||
else
|
||||
call wsprcpm_wav(baud,xdt,h,f0,itone,snrdb,iwave)
|
||||
hwav=default_header(12000,NMAX)
|
||||
write(fname,1102) ifile
|
||||
1102 format('000000_',i4.4,'.wav')
|
||||
open(10,file=fname,status='unknown',access='stream')
|
||||
write(10) hwav,iwave !Save to *.wav file
|
||||
close(10)
|
||||
endif
|
||||
write(*,1110) ifile,xdt,f0,snrdb,fname
|
||||
1110 format(i4,f7.2,f8.2,f7.1,2x,a16)
|
||||
enddo
|
||||
|
||||
999 end program wsprcpmsim
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user