代码搜索：Raspberry Pi
找到约 10,000 项符合「Raspberry Pi」的源代码
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www.eeworm.com/read/168453/9912806
m ex082800.m
% 第八章: 例 8.28
% 切比雪夫-1高通滤波器设计
% CHEBY1函数的应用
%
% 数字低通滤波器指标: % 切比雪夫-1型高通:
ws = 0.4586*pi; % 数字阻带边缘频率
wp = 0.6*pi;
www.eeworm.com/read/168453/9912819
m ex083000.m
% 第八章: 例 8.30
% 切比雪夫-2带阻滤波器设计
% CHEBY2函数的应用
%
% 数字低通滤波器指标: % 切比雪夫-2型带阻:
ws = [0.4*pi 0.7*pi]; % 数字阻带边缘频率
wp = [0.25*pi 0.8*pi];
www.eeworm.com/read/168453/9912830
m ex040400.m
% 第四章: 例 4.4:
% 用 ztrans 求 X(z)
% x(n) = (n-2)(0.5)^(n-2)cos[pi*(n-2)/3]u(n-2)
x = 'n*((0.5)^n)*cos(pi*n/3)';
X = ztrans(x);
[nX,dX] = numden(X);
nX=expand(nX)
dX = symmul(dX,'z^2'); dX=exp
www.eeworm.com/read/168453/9912834
m ex041100.m
% 第四章: 例4.11:
% z-平面函数:
% a)
b = [1,0]; a = [1, -0.9];
pzplotz(b,a); title('极点-零点图');
text(0.85,-0.1,'0.9');text(0.01,-0.1,'0');pause,
print -deps fg0407.eps
% b)
[H,w]=freqz(b,a,100);
magH
www.eeworm.com/read/168453/9912844
m ex041300.m
% 第四章: 例4.13:
% z-平面函数:
% b)
b = [1,0,-1]; a = [1,0,-0.81];
[R,p,C] = residuez(b,a);
% d)
w = [0:500]*pi/500;
[H]=freqz(b,a,w);
magH = abs(H);phaH = angle(H);
subplot(2,1,1),plot(w/pi,magH)
www.eeworm.com/read/364175/9919136
m squareask.m
dt=0.001;N=5000;
t=0:dt:N*dt;
x=square(2*pi*t);
y=(x+1)/2;
subplot(211),plot(t,x);grid on;
fc=3;
ht=cos(2*pi*fc*t);
y_ask=y.*ht;
subplot(212),plot(t,y_ask);
grid on;title('2ASK');
fc1=4;
ht
www.eeworm.com/read/168334/9919809
m gamicheval.m
function [sol,val] = gaMichEval(sol,options)
val = 21.5 + sol(1) * sin(4*pi*sol(1)) + sol(2)*sin(20*pi*sol(2));
%G=zeros(0);
%val = sqrt(sol(1)) * sin(2*sol(1)) + sqrt(sol(1))*cos(5*sol(1))+5;
www.eeworm.com/read/364081/9922154
m 1_26.m
m=[1 2 3];
R=abs(a)^1/3;
Theta=(angle(a)+2*pi*m)/3;
rrr=R*exp(sqrt(-1)*Theta);
t=0:pi/20:2*pi;
x=R*sin(t);y=R*cos(t);
plot(x,y,'b:'),grid
hold on
plot(rrr(1),'.','MarkerSize',50,'Color','r')
www.eeworm.com/read/364081/9922157
m gl1_26.m
clear;clc;
m=[1 2 3];
a=-8;
R=abs(a)^(1/3);
Theta=(angle(a)+2*pi*m)/3;
rrr=R*exp(sqrt(-1)*Theta);
t=0:pi/20:2*pi;
x=R*sin(t);y=R*cos(t);
plot(x,y,'b:'),grid
hold on
plot(rrr(1),'.','MarkerSi
www.eeworm.com/read/168151/9936513
c mdefir1.c
#include
#include
#include
#include "msp.h"
void mdefir1(int l,int iband,float fl,float fh,float fs,int iwindow,
float b[],float w[],int *ierror)
{
/*-------------