代码搜索：Raspberry Pi
找到约 10,000 项符合「Raspberry Pi」的源代码
代码结果 10,000
www.eeworm.com/read/300112/13933956
txt chengxu.txt
clear;
format long;
a=1;
d=100;
e0=8.854e-12;
u=4*pi*10^(-7);
k=1;
for N=1:200;
%N=20;
A=[ones(N,1);-1*ones(N,1)];
x=[-0.86113,-0.33998,0.33998,0.86113];
alfa=[0.34785,0
www.eeworm.com/read/300098/13934228
m ex4p12.m
b=[0,1,1];a=[1,-0.9,0.81];
[R,p,C]=residuez(b,a)
Mp=abs(p')
Ap=angle(p')/pi
www.eeworm.com/read/300098/13934237
m ex3009.m
n=0:100;x=cos(pi*n/2);
k=-100:100;w=(pi/100)*k;
X=x*(exp(-j*pi/100)).^(n'*k);
y=exp(j*pi*n/4).*x;
Y=y*(exp(-j*pi/100)).^(n'*k);
figure(1)
subplot(2,2,1);plot(w/pi,abs(X),'b');grid;
axis([-1,1,0
www.eeworm.com/read/300098/13934366
m ex8p30.m
ws=[0.4*pi 0.7*pi];
wp=[0.25*pi 0.8*pi];
Rp=1;
As=40;
[N,wn]=cheb2ord(wp/pi,ws/pi,Rp,As);
[b,a]=cheby2(N,As,wn,'stop');
[b0,B,A]=dir2cas(b,a)
www.eeworm.com/read/300098/13934439
m idfs.m
function [xn]=idfs(Xk,N)
n=[0:1:N-1];
k=[0:1:N-1];
WN=exp(-j*2*pi/N);
nk=n'*k;
WNnk=WN.^(-nk);
xn=(Xk*WNnk)/N;
www.eeworm.com/read/300098/13934488
m dfs.m
function [Xk]=dfs(xn,N)
n=[0:1:N-1];
k=[0:1:N-1];
WN=exp(-j*2*pi/N);
nk=n'*k;
WNnk=WN.^nk;
Xk=xn*WNnk;
www.eeworm.com/read/300098/13934509
m ex8p29.m
ws=[0.3*pi 0.75*pi];
wp=[0.4*pi 0.6*pi];
Rp=1;
As=40;
[N,wn]=ellipord(wp/pi,ws/pi,Rp,As);
[b,a]=ellip(N,Rp,As,wn);
[b0,B,A]=dir2cas(b,a)
www.eeworm.com/read/300098/13934567
m dft.m
function [Xk]=dft(xn,N)
n=[0:1:N-1];
k=[0:1:N-1];
WN=exp(-j*2*pi/N);
nk=n'*k;
WNnk=WN.^nk;
Xk=xn*WNnk;
www.eeworm.com/read/300098/13934581
m ex3p9.m
n=0:100;x=cos(pi*n/2);
k=-100:100;w=(pi/100)*k;
X=x*(exp(-j*pi/100)).^(n'*k);
y=exp(j*pi*n/4).*x;
Y=y*(exp(-j*pi/100)).^(n'*k);
subplot(2,2,1);plot(w/pi,abs(X));grid;
xlabel('frequency in unit
www.eeworm.com/read/300098/13934632
m ex8p28.m
ws=0.4586*pi;
wp=0.6*pi;
Rp=1;
As=15;
[N,wn]=cheb1ord(wp/pi,ws/pi,Rp,As);
[b,a]=cheby1(N,Rp,wn,'high');
[b0,B,A]=dir2cas(b,a)