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/363574/9945080
m untitled22.m
%用来画图，SVD值，与W,B都有关，并且与采样点，采样范围有关\
w=10;
B=1;
row1=20;%采样区间采样点数
t1=linspace(-pi/10,pi/10,row1);
A1=matrixA(row1,5,t1);% 定义一个15*7大的A矩阵，用于解Ax=G
%[U S V]=svd(A1);% 对A进行svd分解，得到U S V
G1=matrixG(row1
www.eeworm.com/read/363574/9945083
m untitled78.m
%用来把信号从时域转化为频域
syms t w
B=3;
W=20;
%t=linspace(-pi,pi,600);
y=(2/pi)*((sin((B*t)/2)/t).^2)*cos(W*t)
F=fourier(y,t,w)
mag=abs(F);
w=linspace(-pi,pi,600);
semilogy(w,mag)
www.eeworm.com/read/363574/9945096
m untitled19.m
%用来画图，最小二乘值，与W,B都有关，并且与才采点，采样范围有关\
w=10;
B=1;
row1=20;%采样区间采样点数
t1=linspace(-pi/10,pi/10,row1)
A1=matrixA(row1,6,t1) % 定义一个15*7大的A矩阵，用于解Ax=G
%[U S V]=svd(A1)% 对A进行svd分解，得到U S V
G1=matrixG(row1,
www.eeworm.com/read/363574/9945125
m untitled37.m
%测试Heaviside函数
%t=linspace(-10,10,1000);
%for i=1:1000
t=linspace(-pi,pi,10000)
y=Heaviside(-t,1);
plot(t,y)
www.eeworm.com/read/363574/9945143
m untitled38.m
%测试w=0是不是信号的包络
t=linspace(-pi*4,pi*4,5000);
W=10;
y1=(2/pi)*((sin((B*t)/2)./t).^2);%包络
y2=(2/pi)*((sin((B*t)/2)./t).^2).*cos(W*t);
plot(t,y1,'r',t,-y1,'r',t,y2)
www.eeworm.com/read/363574/9945147
m matrixg.m
function[G]=matrixG(m,t);
%矩阵G，与W,B都有关，并且与才采点,采样范围有关
w=10;
B=1;%所给的仿真条件
%t=[<mark>pi</mark>/(60*B) <mark>pi</mark>/(50*B) <mark>pi</mark>/(45*B) <mark>pi</mark>/(40*B) <mark>pi</mark>/(30*B) <mark>pi</mark>/(28*B) <mark>pi</mark>/(25*B) <mark>pi</mark>/(20*B) <mark>pi</mark>/(15*B) <mark>pi</mark>/(13*B) <mark>pi</mark>/(10*B) <mark>pi</mark>/(8 ...
www.eeworm.com/read/167781/9952758
m program_11_5.m
% Program 11_5
% Development of an AR model of an FIR filter
%
colordef black
b = remez(20, [0 0.5 0.6 1], [1 1 0 0]);
[h,w] = freqz(b,1,512);
[d,p0] = lpc(b,30);
[h1,w] = freqz(p0,d,512);
p
www.eeworm.com/read/167781/9952772
m program_03_01.m
% Program 3_1
% Discrete-Time Fourier Transform Computation
%
% Read in the desired length of DFT
colordef black;
k = input('Number of frequency points = ');
% Read in the numerator and denomi
www.eeworm.com/read/167762/9953174
m chap5_3mf.m
clear all;
close all;
L1=-pi/6;
L2=pi/6;
L=L2-L1;
T=L*1/1000;
x=L1:T:L2;
figure(1);
for i=1:1:5
gs=-[(x+pi/6-(i-1)*pi/12)/(pi/24)].^2;
u=exp(gs);
hold on;
plot(x,u);
end
xla
www.eeworm.com/read/167762/9953182
m chap5_3s.m
function [sys,x0,str,ts] = spacemodel(t,x,u,flag)
switch flag,
case 0,
[sys,x0,str,ts]=mdlInitializeSizes;
case 1,
sys=mdlDerivatives(t,x,u);
case 3,
sys=mdlOutputs(t,x,u);
case