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ndirwin.c
/*--------------------------------------------------------------------*/
/* n d i r w i n . c */
/*
nbstime.h
/*--------------------------------------------------------------------*/
/* n b s t i m e . h */
/*
nbstime.c
/*--------------------------------------------------------------------*/
/* n b s t i m e . c */
/*
eg10_11.m
n=30;
f=[0 0.4 0.5 1];
a=[1 1 0 0];
b=firls(n,f,a);
[h,w]=freqz(b);
bb=remez(n,f,a);
[hh,w]=freqz(bb);
axes('position',[0.2 0.2 0.5 0.5]);
plot(w/pi,abs(h),'b-',w/pi,abs(hh),'r--');
xlabel('f
eg10_4.m
<mark>N</mark>=12;%序列长度
<mark>n</mark>=0:<mark>N</mark>-1;%时域取样
x<mark>n</mark>=cos(pi*<mark>n</mark>/6);%产生序列
k=0:<mark>N</mark>-1;%频域取样
w<mark>n</mark>=exp(-j*2*pi/<mark>N</mark>);
<mark>n</mark>k=<mark>n</mark>'*k;
w<mark>n</mark><mark>n</mark>k=w<mark>n</mark>.^<mark>n</mark>k;
xk=x<mark>n</mark>*w<mark>n</mark><mark>n</mark>k %计算DFT
figure(1)%画图
stem(<mark>n</mark>,x<mark> ...
eg10_4_2.m
<mark>N</mark>=12;%序列长度
<mark>n</mark>=0:<mark>N</mark>-1;
k=0:<mark>N</mark>-1;
w<mark>n</mark>=exp(-j*2*pi/<mark>N</mark>);
<mark>n</mark>k=<mark>n</mark>'*k;
w<mark>n</mark><mark>n</mark>k=w<mark>n</mark>.^(-<mark>n</mark>k);
x<mark>n</mark>=(xk*w<mark>n</mark><mark>n</mark>k)/<mark>N</mark>;%计算IDFT
figure(1)%画图
stem(k,abs(xk))
figure(2)
stem(<mark>n</mark>,real(x<mark>n</mark>))
...
cosinterfaces.mk
##############################################################################
# N.B. CosNaming omitted -- its stubs/skels are already in omniORB libraries.
# The .hh file can be found at /i
n.c
/*
* (c) Copyright 1993, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provide
romberg1.m
n=0:8;
x=2*exp(-(n/8).^2)/sqrt(3.1415926)
bianquan.m
N=13;
for i=1:N
for j=1:N
C(i,j)=inf;
end
end
for i=1:N
C(i,i)=0;
end
C(1,2)=6.0;C(1,13)=12.9;
C(2,3)=5.9;C(2,4)=10.3;
C(3,4)=12.2;C(3,5)=17.6;
C(4,13)=8.8;C(4,7)=7.4;