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l4_4.cpp
#include
void main()
{
int a=1;
int c=10;
int &b = a;
cout
ex4_4.m
x=-2: 0.2: 2; y=sin(x);
subplot(211), plot(x,y)
subplot(223), stem(x,y)
subplot(224), rose(x,y)
subplot(4,4,11), fill(x,y,'r');
subplot(4,4,12), feather(x,y)
subplot(4,4,15), plot(x,y);
su
text4-4.htm
Untitled Document
ch4_4.htm
范例问题:语音讯号分析
program_4_4.m
% Program 4_4
% Stability Test of a Rational Transfer Function
%
% Read in the polynomial coefficients
den = input('Type in the denominator coefficients =');
% Generate the stability test paramet
example4_4.m
%==========================================================================
% 傅里叶变换 程序名:CTFT
% 本程序是采用数值积分的方法计算实信号的傅里叶变换。
% 对信号的要求是:
% 1、信号是时限信号,或者信号在时间t大于某一数值时,信号的值已经衰
exa4_4.m
% exa4-4_Elliptic for example4-4
% Elliptic analog lowpass filter prototype
clear all;
n=0:0.01:2;
for i=1:4
switch i
case 1
N=2;
case 2
N=3;
例4-4.m
function fhandle = makeParabola(a, b, c)
% Makeparabola返回一个抛物线的函数句柄
% @创建函数句柄
fhandle = @parabola;
function y = parabola(x)
y = a*x.^2 + b*x + c;
end
end