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Add a temporary research tool.

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This commit is contained in:
Steve Franke 2019-05-22 17:01:06 -05:00
parent 40438c037e
commit 80307b64ad
2 changed files with 68 additions and 0 deletions
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4
CMakeLists.txt
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@ -383,6 +383,7 @@ set (wsjt_FSRCS
lib/astro0.f90 lib/astro0.f90
lib/avecho.f90 lib/avecho.f90
lib/averms.f90 lib/averms.f90
lib/ft4/averaged_mf.f90
lib/azdist.f90 lib/azdist.f90
lib/badmsg.f90 lib/badmsg.f90
lib/ft8/baseline.f90 lib/ft8/baseline.f90
@ -1283,6 +1284,9 @@ target_link_libraries (msk144sim wsjt_fort wsjt_cxx)
add_executable (ft4sim lib/ft4/ft4sim.f90 wsjtx.rc) add_executable (ft4sim lib/ft4/ft4sim.f90 wsjtx.rc)
target_link_libraries (ft4sim wsjt_fort wsjt_cxx) target_link_libraries (ft4sim wsjt_fort wsjt_cxx)
add_executable (averaged_mf lib/ft4/averaged_mf.f90 wsjtx.rc)
target_link_libraries (averaged_mf wsjt_fort wsjt_cxx)
add_executable (ft4sim_mult lib/ft4/ft4sim_mult.f90 wsjtx.rc) add_executable (ft4sim_mult lib/ft4/ft4sim_mult.f90 wsjtx.rc)
target_link_libraries (ft4sim_mult wsjt_fort wsjt_cxx) target_link_libraries (ft4sim_mult wsjt_fort wsjt_cxx)

64
lib/ft4/averaged_mf.f90 Normal file
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@ -0,0 +1,64 @@
program averaged_mf
parameter (nsps=32)
complex cgfsk(3*nsps,64)
complex clin(3*nsps,64)
complex cavg(3*nsps,4)
complex cavl(3*nsps,4)
real pulse(3*nsps)
real dphi(3*nsps)
do i=1,3*NSPS
t=(i-1.5*nsps)/real(nsps)
pulse(i)=gfsk_pulse(1.0,t)
enddo
twopi=8.0*atan(1.0)
hmod=1.0
dphi_peak=twopi*hmod/real(nsps)
do iwf=1,64
i0=mod((iwf-1)/16,4)
i1=mod((iwf-1)/4,4)
i2=mod(iwf-1,4)
dphi=0.0
dphi(1:64)=dphi_peak*pulse(33:96)*i1
dphi(1:96)=dphi(1:96)+dphi_peak*pulse(1:96)*i0
dphi(33:96)=dphi(33:96)+dphi_peak*pulse(1:64)*i2
phi=0.0
do j=1,96
cgfsk(j,iwf)=cmplx(cos(phi),sin(phi))
phi=mod(phi+dphi(j),twopi)
enddo
cgfsk(:,iwf)=cgfsk(:,iwf)*conjg(cgfsk(48,iwf))
enddo
do iwf=1,64
i0=mod((iwf-1)/16,4)
i1=mod((iwf-1)/4,4)
i2=mod(iwf-1,4)
dphi=0.0
dphi(1:32)=dphi_peak*i1
dphi(33:64)=dphi_peak*i0
dphi(65:96)=dphi_peak*i2
phi=0.0
do j=1,96
clin(j,iwf)=cmplx(cos(phi),sin(phi))
phi=mod(phi+dphi(j),twopi)
enddo
enddo
do i=1,4
ib=(i-1)*16+1
ie=ib+15
cavg(:,i)=sum(cgfsk(:,ib:ie),2)/16.0
cavl(:,i)=sum(clin(:,ib:ie),2)/16.0
do j=1,96
write(*,*) j
write(21,*) i,j,real(cavg(j,i)),imag(cavg(j,i)),real(cavl(j,i)),imag(cavl(j,i))
enddo
enddo
end program averaged_mf