97 lines
2.1 KiB
Plaintext
97 lines
2.1 KiB
Plaintext
|
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
|