2017-05-16 19:20:14 +00:00
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subroutine spec8(c,s,savg)
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include 'wspr_fsk8_params.f90'
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2017-05-17 13:13:11 +00:00
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complex c(0:NMAXD-1)
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2017-05-16 19:20:14 +00:00
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complex c1(0:NSPS-1)
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real s(0:NH2,NN)
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real savg(0:NH2)
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fs=12000.0/NDOWN
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df=fs/NSPS
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savg=0.
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do j=1,NN
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ia=(j-1)*NSPS
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ib=ia + NSPS-1
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c1(0:NSPS-1)=c(ia:ib)
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c1(NSPS:)=0.
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call four2a(c1,NSPS,1,-1,1)
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do i=0,NH2
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s(i,j)=real(c1(i))**2 + aimag(c1(i))**2
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enddo
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savg=savg+s(0:NH2,j)
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enddo
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s=s/NZ
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savg=savg/(NN*NZ)
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do i=0,NH2
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write(31,3101) i*df,savg(i)
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3101 format(f10.3,f12.3)
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enddo
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return
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end subroutine spec8
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