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Raspberry Pi 的代码
ex10_3.m
x=linspace(0,2*pi,60);
y=sin(x);
hf=figure('Color',[0,1,0],'Position',[1,1,450,250],...
'Name','我的图形窗口','NumberTitle','off','MenuBar','none',...
'KeyPressFcn', 'plot(x,y);axis([0
ex5_6.m
x=linspace(0,2*pi,1000);
y1=0.2*exp(-0.5*x).*cos(4*pi*x);
y2=2*exp(-0.5*x).*cos(pi*x);
k=find(abs(y1-y2)
ex10_6.m
x=-pi:.1:pi;
y=sin(x);
y1=sin(x);
y2=cos(x);
h=line(x,y1,'LineStyle',':','Color','g');
line(x,y2,'LineStyle','--','Color','b');
xlabel('-\pi \leq \Theta \leq \pi')
ylabel('sin(\Theta)')
title(
ex6_15.m
N=128; % 采样点数
T=1; % 采样时间终点
t=linspace(0,T,N); % 给出N个采样时间ti(I=1:N)
x=12*sin(2*pi*10*t+pi/4)+5*cos(2*pi*40*t); % 求各采样点样本值x
dt
ex5_7.m
x=0:pi/100:2*pi;
y1=2*exp(-0.5*x);
y2=cos(4*pi*x);
plot(x,y1,x,y2)
title('x from 0 to 2{\pi}'); %加图形标题
xlabel('Variable X'); %加X轴说明
ylabel('Variable Y');
ex5_13.m
x=0:pi/10:2*pi;
y=2*sin(x);
subplot(2,2,1);bar(x,y,'g');
title('bar(x,y,''g'')');axis([0,7,-2,2]);
subplot(2,2,2);stairs(x,y,'b');
title('stairs(x,y,''b'')');axis([0,7,-2,2]);
subplot(2,2,3);ste
ex10_2.m
x=0:pi/50:2*pi;
y=sin(x);
z=cos(x);
plot(x,y,'r',x,z,'g'); %绘制两根不同曲线
Hl=get(gca,'Children'); %获取两曲线句柄向量Hl
for k=1:size(Hl)
if get(Hl(k),'Color')==[0 1 0] %[0 1 0]代表
ex5_5.m
x=0:pi/100:2*pi;
y1=0.2*exp(-0.5*x).*cos(4*pi*x);
plot(x,y1)
hold on
y2=2*exp(-0.5*x).*cos(pi*x);
plot(x,y2);
hold off
tongdaojunheng.m
%% 通道均衡FIR滤波仿真
%% 信号生成
%% 信号参数 中心频率 0 MHz, 带宽 200MHz ,脉宽 100微秒 采样结果中取M点
clear;
clc;
M=4096;%采样点数
N=16;%FIR滤波器阶数
Fs=500*10^6;%采样率
B=200*10^6;%带宽
%% 非均衡通道
% 通道参数
a0=1;a1=0.2;
b0=0.
show_tan.c
#include
#include
void main(void)
{
double pi = 3.14159265;
printf("Tangent of pi is %f\n", tan(pi));
printf("Tangent of pi/4 is %f\n", tan(pi / 4.0));
}