mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-05 00:41:19 -05:00
8794bad146
By using the local 8-bit character set we can allow local non-ASCII characters in file paths, for example user account names on MS Windows with characters in the default code page.
97 lines
2.1 KiB
Fortran
97 lines
2.1 KiB
Fortran
subroutine calibrate(data_dir,iz,a,b,rms,sigmaa,sigmab,irc)
|
|
|
|
! Average groups of frequency-calibration measurements, then fit a
|
|
! straight line for slope and intercept.
|
|
|
|
parameter (NZ=1000)
|
|
implicit real*8 (a-h,o-z)
|
|
character*(*) data_dir
|
|
character*256 infile,outfile
|
|
character*8 cutc,cutc1
|
|
character*1 c1
|
|
real*8 fd(NZ),deltaf(NZ),r(NZ),rmsd(NZ)
|
|
integer nn(NZ)
|
|
|
|
infile=trim(data_dir)//'/'//'fmt.all'
|
|
outfile=trim(data_dir)//'/'//'fcal2.out'
|
|
|
|
open(10,file=trim(infile),status='old',err=996)
|
|
open(12,file=trim(outfile),status='unknown',err=997)
|
|
|
|
nkhz0=0
|
|
sum=0.d0
|
|
sumsq=0.d0
|
|
n=0
|
|
j=0
|
|
do i=1,99999
|
|
read(10,*,end=10,err=995) cutc,nkHz,ncal,noffset,faudio,df,dblevel,snr
|
|
if((nkHz.ne.nkHz0) .and. i.ne.1) then
|
|
ave=sum/n
|
|
rms=0.d0
|
|
if(n.gt.1) then
|
|
rms=sqrt(abs(sumsq - sum*sum/n)/(n-1.d0))
|
|
endif
|
|
fMHz=0.001d0*nkHz0
|
|
j=j+1
|
|
fd(j)=fMHz
|
|
deltaf(j)=ave
|
|
r(j)=0.d0
|
|
rmsd(j)=rms
|
|
nn(j)=n
|
|
sum=0.d0
|
|
sumsq=0.d0
|
|
n=0
|
|
endif
|
|
dial_error=faudio-noffset
|
|
sum=sum + dial_error
|
|
sumsq=sumsq + dial_error**2
|
|
n=n+1
|
|
if(n.eq.1) then
|
|
cutc1=cutc
|
|
ncal0=ncal
|
|
endif
|
|
nkHz0=nkHz
|
|
enddo
|
|
|
|
10 ave=sum/n
|
|
rms=0.d0
|
|
if(n.gt.0) then
|
|
rms=sqrt((sumsq - sum*sum/n)/(n-1.d0))
|
|
endif
|
|
fMHz=0.001d0*nkHz
|
|
j=j+1
|
|
fd(j)=fMHz
|
|
deltaf(j)=ave
|
|
r(j)=0.d0
|
|
rmsd(j)=rms
|
|
nn(j)=n
|
|
iz=j
|
|
if(iz.lt.2) go to 998
|
|
|
|
call fitcal(fd,deltaf,r,iz,a,b,sigmaa,sigmab,rms)
|
|
|
|
write(12,1002)
|
|
1002 format(' Freq DF Meas Freq N rms Resid'/ &
|
|
' (MHz) (Hz) (MHz) (Hz) (Hz)'/ &
|
|
'----------------------------------------------------')
|
|
irc=0
|
|
do i=1,iz
|
|
fm=fd(i) + 1.d-6*deltaf(i)
|
|
c1=' '
|
|
if(rmsd(i).gt.1.0d0) c1='*'
|
|
write(12,1012) fd(i),deltaf(i),fm,nn(i),rmsd(i),r(i),c1
|
|
1012 format(f8.3,f9.3,f14.9,i4,f7.2,f9.3,1x,a1)
|
|
enddo
|
|
go to 999
|
|
|
|
995 irc=-4; iz=i; go to 999
|
|
996 irc=-1; go to 999
|
|
997 irc=-2; go to 999
|
|
998 irc=-3
|
|
999 continue
|
|
close(10)
|
|
close(12)
|
|
|
|
return
|
|
end subroutine calibrate
|