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% ex_07_05_1.m : 习题 7.5 clear all; order = 54; f = [0, 0.05, 0.1, 0.15, 0.18, 0.25, 0.3, 0.36, 0.41, 0.5] * 2; a = [0, 0, 1, 1, 0, 0, 1, 1, 0, 0]; wtx = [1, 10, 1, 10, 1]; b = firpm(order, f

#include #include const double pi = 3.1415926; void main() { double radius1, radius2; cout radius1 >>radius2; cout

k=[1:5] N=5; xk=cos(2*pi*k/N); dk=2*sin(2*pi*k/N); xk1=cos(2*pi*(k-1)/N); R=[mean(xk*xk'),mean(xk*xk1');mean(xk1*xk'),mean(xk1*xk1')]; P=[mean(dk*xk');mean(dk*xk1')]; Xk1=[xk(1);xk1(1)]; Xk2=[

k=[1:5] N=5; xk=cos(2*pi*k/N); dk=2*sin(2*pi*k/N); xk1=cos(2*pi*(k-1)/N); R=[mean(xk*xk'),mean(xk*xk1');mean(xk1*xk'),mean(xk1*xk1')]; P=[mean(dk*xk');mean(dk*xk1')]; Xk=[xk;xk1]; W=[0;0]; ek

k=[1:5] N=5; xk=cos(2*pi*k/N); dk=2*sin(2*pi*k/N); xk1=cos(2*pi*(k-1)/N); R=[mean(xk*xk'),mean(xk*xk1');mean(xk1*xk'),mean(xk1*xk1')]; P=[mean(dk*xk');mean(dk*xk1')]; Xk1=[xk(1);xk1(1)]; Xk2=[

#include #include #include void main (void) { double pi,t; long int n,s; t=1.0; n=1; s=1; pi=0.0; SCON = 0x50; TMOD |=

%---------------------------------------------------------------------------- % exa060603.m, for example 6.6.3; % To design IIR Butteworth bandstop DF by analog-lowpass, % -------------------------

#include void main() { const int a=78; const int b=28; int c=18; const int *pi=&a;//指针类型前加 const *pi=58;//error：不能修改指针指向的常量 pi=&b

%plot绘图命令的使用 close all %关闭打开了的所有图形窗口 clc %清屏命令 clear %清除工作空间中所有变量 %定义时间范围 t=[0:pi/20:8*pi]; y=sin(t); plot(t,y,'b:square') % r表示线的颜色为红色，此外 y（黄色）g（绿色）b（蓝色) %

%图形文字标示命令的使用 clear close all clc t=[0:pi/20:5*pi]; plot(t,sin(t),'r:*') axis([0 5*pi -1.5 1.5 ]) %给x轴和y轴命名 xlabel('t(deg)') ylabel('magnitude') %给图形加标题 title('sine wave from zero to 5\pi')