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%例程4－1 利用冲激响应不变法设计数字低通滤波器 %利用模拟巴特沃斯滤波器设计数字低通滤波器 %冲激响应不变法 wp=0.2*pi; ws=0.3*pi; Rp=1; As=15; T=1; %性能指标 Rip=10^(-Rp/20); Atn=10^(-As/20); OmgP=wp*T; OmgS=ws*T; [N,OmgC]=buttord(OmgP,Omg

%例程5－12 利用特征向量法估计功率谱 % e.g.5-12.m for example5-12; % to test function peig; clf; clear all; % Generate the signal plus white noise and show N=1024; % number of sampling dat

N=8; n=[-(N-1)/2 : (N-1)/2]'; us=0; u1=0.4,u2=-0.6; Vs=exp(-j*pi*us*n); V1=exp(-j*pi*u1*n); V2=exp(-j*pi*u2*n); p=20,q1=10,q2=20; SNR=10^(p/10); INR1=10^(q1/10); INR2=10^(q2/10); Rx=SNR*Vs*

x = cos((0:63)/64*2*pi); [c,L] = wavedec(x,'haar',6); plot(wrcoef('a',c,L,'haar',2));pause; plot(wrcoef('d',c,L,'haar',2));

function QuanJuValue(speech) %定义全局变量 global L1 L2 L3 L0 MA1 MA2 lspcb1 lspcb2 lspcb3 q_old rcAR1 rcAR2; global b12 b30; global T1 fraction1 T2 fraction2; global Tr0 Tr1 Tr2 Tr3 Tr4;%Track 0-4

%This program implement the LMS ALE, using Algorithm 2 %of Chapter 10 (Table 10.3). %The input is the summation of a number of sine-waves, %plus white noise. % % %All parameters are specificall

%This program implement the LMS ALE, using Algorithm 2 %of Chapter 10 (Table 10.3). % % %All parameters are specifically set to obtain Fig. 10.9b. %The parameters may be changed to simulate other

****************************************************************************** * FILE: c25cxrad2.mac --> macro file for radix 2 fft's based on 320c5x * *

clear; close all; x=[101 82 66 35 31 7 20 92 154 125 85 68 38 23 10 24 83 132 131 118 90 67 60 47 41 21 16 6 4 7 14 34 45 43 48 42 28 10 8 2 0 1 5 12 14 35 46 41 30 24 16 7 4 2 8 17 36 50 62 67 71 4

% %function p = pulse(t,tau) % function p = gaussian_pulse(A,t,alpha) p = A*exp(-2*pi*(t/alpha).^2); return