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/357617/10204770
txt 08-26.txt
>> syms x y
>> f = y/(1 + x^2 + y^2);
>> subplot(1,2,1),ezmeshc(f,[-5,5,-2*pi,2*pi],30),title('mesh');
>> subplot(1,2,2),ezsurfc(f,[-5,5,-2*pi,2*pi],30),title('surf');
www.eeworm.com/read/357617/10204797
txt 08-45.txt
>> F =pi^(1/2)*exp(-1/4*w^2);
>> ifourier(F)
>> G =2/(1+t^2);
>> ifourier(G)
>> simplify(G)
>> clear
>> syms x real
>> g = exp(-abs(x));
>> ifourier(g)
>> clear
>> syms w
www.eeworm.com/read/357506/10208335
m program_3_2.m
% Program 3_2
% Generate the filter coefficients
h1 = ones(1,5)/5; h2 = ones(1,14)/14;
% Compute the frequency responses
[H1,w] = freqz(h1, 1, 256);
[H2,w] = freqz(h2, 1, 256);
% Compute and p
www.eeworm.com/read/162982/10254343
m bendcoeff.m
function c=bendcoeff(rom,ros,D,lamda)
c=(rom-ros)/(rom-ros+D/9*(2*pi/lamda)^4);
www.eeworm.com/read/281237/10255010
m fir.m
%由模拟滤波器指标求理想低通数字滤波器的参数
clear
wp=0.2*pi; %wp为通带截止频率
ws=0.4*pi; %ws为阻带下限频率
A=-40; %A为最大边瓣峰值
%首先得角频率
%归一化过渡带
b=ws-wp;
k=1;
%根据最小阻带衰减来确定窗函数类型
if A
www.eeworm.com/read/355530/10258987
m exp2_4_.m
close all
clc
clear
%定义时间范围
t=[0:pi/20:9*pi];
hold on %允许在同一坐标系下绘制不同的图形
plot(t,sin(t),'r:*')
plot(t,cos(t))
plot(t,-cos(t),'k')
grid on %在所画出的图形坐标中添加栅格，注意用在plot之后
hold off %覆盖旧图
www.eeworm.com/read/355530/10259005
m exp2_4.m
close all
clc
clear
%定义时间范围
t=[0:pi/20:9*pi];
figure(1) %选择图像
plot(t,sin(t),'r:*')
grid on %在所画出的图形坐标中添加栅格，注意用在plot之后
grid off %删除栅格
figure(2)
plot(t,cos(t))
grid on
grid off
www.eeworm.com/read/355387/10271751
m xianmusic.m
clc
clear
for i=1:10;
sm=6; %阵元数
snr=10; %信噪比dB
nd=120; %快拍数
snr=10.^(snr/20); %信噪比
f=4*10^3*
www.eeworm.com/read/355385/10271775
m yuanmusic.m
%%%6 sensor. 4-8GHz%%%
clc
clear
tic
ccc1=cputime;
sm=7;%阵元数
snr=20;
nd=100;%快拍数
md=181; %?
snr=10.^(snr/20);
f=4*10^3*10^6;
wl=3*10^8/f;
r=wl/2
diz=[0 0 0
www.eeworm.com/read/280878/10283163
c 1cpdv.c
#include "math.h"
void cpdv(pr,pi,m,qr,qi,n,sr,si,k,rr,ri,l)
int m,n,k,l;
double pr[],pi[],qr[],qi[],sr[],si[],rr[],ri[];
{ int i,j,mm,ll;
double a,b,c,d,u,v;
void cmul(doubl