mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-04 16:31:17 -05:00
Remove several disused routines.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@1010 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
parent
7b74f41db7
commit
c994495382
50
fil658.f
50
fil658.f
@ -1,50 +0,0 @@
|
||||
subroutine fil658(c1,n1,c2,n2)
|
||||
|
||||
C FIR lowpass filter designed using ScopeFIR
|
||||
|
||||
C Pass #1 Pass #2 Pass #3
|
||||
C-----------------------------------------------
|
||||
C fsample (Hz) 96000.0 24000 6000 Input sample rate
|
||||
C Ntaps 47 47 47 Number of filter taps
|
||||
C fc (Hz) 6000 1500 375 Cutoff frequency (-3 dB)
|
||||
C fstop (Hz) 11025.0 2756.25 689.0625 Lower limit of stopband
|
||||
C Ripple (dB) 0.06 0.06 0.06 Ripple in passband
|
||||
C Stop Atten (dB) 41 41 41 Stopband attenuation
|
||||
C fout (Hz) 24000.0 6000 1500 Output sample rate
|
||||
|
||||
parameter (NTAPS=47)
|
||||
parameter (NH=NTAPS/2)
|
||||
parameter (NDOWN=4) !Downsample ratio = 1/4
|
||||
complex c1(n1)
|
||||
complex c2(n1/NDOWN)
|
||||
|
||||
C Filter coefficients:
|
||||
real a(-NH:NH)
|
||||
data a/
|
||||
+ 0.004066057444,-0.000483030239,-0.002085155775,-0.004036668720,
|
||||
+ -0.005338083014,-0.004952374329,-0.002267639582, 0.002499787691,
|
||||
+ 0.008113543743, 0.012522509052, 0.013441779030, 0.009233544068,
|
||||
+ -0.000256999594,-0.013156485907,-0.025660797518,-0.032755808092,
|
||||
+ -0.029602578877,-0.013013352845, 0.017249853203, 0.057885304099,
|
||||
+ 0.102497204557, 0.142897857652, 0.171067807479, 0.181167084990,
|
||||
+ 0.171067807479, 0.142897857652, 0.102497204557, 0.057885304099,
|
||||
+ 0.017249853203,-0.013013352845,-0.029602578877,-0.032755808092,
|
||||
+ -0.025660797518,-0.013156485907,-0.000256999594, 0.009233544068,
|
||||
+ 0.013441779030, 0.012522509052, 0.008113543743, 0.002499787691,
|
||||
+ -0.002267639582,-0.004952374329,-0.005338083014,-0.004036668720,
|
||||
+ -0.002085155775,-0.000483030239, 0.004066057444/
|
||||
|
||||
n2=(n1-NTAPS+NDOWN)/NDOWN
|
||||
k0=NH-NDOWN+1
|
||||
|
||||
C Loop over all output samples
|
||||
do i=1,n2
|
||||
c2(i)=0.
|
||||
k=k0 + NDOWN*i
|
||||
do j=-NH,NH
|
||||
c2(i)=c2(i) + c1(j+k)*a(j)
|
||||
enddo
|
||||
enddo
|
||||
|
||||
return
|
||||
end
|
||||
59
fil659.f
59
fil659.f
@ -1,59 +0,0 @@
|
||||
subroutine fil659(id,n1,f0,c2a,c2b,n2)
|
||||
|
||||
C FIR lowpass filter designed using ScopeFIR
|
||||
|
||||
C fsample (Hz) 96000.0 Input sample rate
|
||||
C Ntaps 23 Number of filter taps
|
||||
C fc (Hz) 1500 Cutoff frequency (-3 dB)
|
||||
C fstop (Hz) 12000 Lower limit of stopband
|
||||
C Ripple (dB) 0.05 Ripple in passband
|
||||
C Stop Atten (dB) 45 Stopband attenuation
|
||||
C fout (Hz) 24000.0 Output sample rate
|
||||
|
||||
parameter (NTAPS=23)
|
||||
parameter (NH=NTAPS/2)
|
||||
parameter (NDOWN=4) !Downsample ratio = 1/4
|
||||
integer*2 id(4,n1)
|
||||
complex c2a(n1/NDOWN),c2b(n1/NDOWN)
|
||||
complex z
|
||||
real*8 dt,dpha,twopi
|
||||
complex w,w0,wstep
|
||||
data twopi/6.2831853071796/
|
||||
|
||||
C Filter coefficients:
|
||||
real a(-NH:NH)
|
||||
data a/
|
||||
+ -0.006192694772,-0.009005098228,-0.011852791893,-0.011064464062,
|
||||
+ -0.004044201520, 0.010987986233, 0.034169891384, 0.063459565756,
|
||||
+ 0.094796253511, 0.122845919676, 0.142302928050, 0.149270332282,
|
||||
+ 0.142302928050, 0.122845919676, 0.094796253511, 0.063459565756,
|
||||
+ 0.034169891384, 0.010987986233,-0.004044201520,-0.011064464062,
|
||||
+ -0.011852791893,-0.009005098228,-0.006192694772/
|
||||
|
||||
|
||||
n2=(n1-NTAPS+NDOWN)/NDOWN
|
||||
k0=NH-NDOWN+1
|
||||
|
||||
C Loop over all output samples
|
||||
dt=1.d0/96000.d0
|
||||
dpha=twopi*f0*dt
|
||||
wstep=cmplx(cos(dpha),sin(dpha))
|
||||
k=k0+NDOWN
|
||||
w0=1.0
|
||||
do i=1,n2
|
||||
c2a(i)=0.
|
||||
c2b(i)=0.
|
||||
k=k0 + NDOWN*i
|
||||
w=w0
|
||||
do j=-NH,NH
|
||||
w=w*wstep
|
||||
if(j.eq.3-NH) w0=w
|
||||
z=a(j)*cmplx(float(int(id(1,j+k))),float(int(id(2,j+k))))*w
|
||||
c2a(i)=c2a(i) + z
|
||||
z=a(j)*cmplx(float(int(id(3,j+k))),float(int(id(4,j+k))))*w
|
||||
c2b(i)=c2b(i) + z
|
||||
enddo
|
||||
enddo
|
||||
|
||||
return
|
||||
end
|
||||
2
map65.py
2
map65.py
@ -1,4 +1,4 @@
|
||||
#---------------------------------------------------------------------- MAP65
|
||||
#--------------------------------------------------------------------- MAP65
|
||||
# $Date$ $Revision$
|
||||
#
|
||||
from Tkinter import *
|
||||
|
||||
30
resample.c
30
resample.c
@ -1,30 +0,0 @@
|
||||
#include <stdio.h>
|
||||
//#ifdef CVF
|
||||
#include "samplerate.h"
|
||||
//#else
|
||||
//#include <samplerate.h>
|
||||
//#endif
|
||||
|
||||
int resample_(float din[], int *jzin, int *conv_type, int *channels,
|
||||
double *samfac, float dout[], int *jzout)
|
||||
{
|
||||
SRC_DATA src_data;
|
||||
int input_len;
|
||||
int output_len;
|
||||
int ierr;
|
||||
double src_ratio;
|
||||
|
||||
src_ratio=*samfac;
|
||||
input_len=*jzin;
|
||||
output_len=(int) (input_len*src_ratio);
|
||||
|
||||
src_data.data_in=din;
|
||||
src_data.data_out=dout;
|
||||
src_data.src_ratio=src_ratio;
|
||||
src_data.input_frames=input_len;
|
||||
src_data.output_frames=output_len;
|
||||
|
||||
ierr=src_simple(&src_data,*conv_type,*channels);
|
||||
*jzout=output_len;
|
||||
return ierr;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user