代码搜索：Homework
找到约 1,174 项符合「Homework」的源代码
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www.eeworm.com/read/388569/8600884
cpp 1074 doing homework.cpp
/*
1074 Doing Homework
Time Limit : 1000 ms Memory Limit : 32768 K Output Limit : 1024 K
GUN C++
*/
#include
#include
int news[1
www.eeworm.com/read/366374/9819636
m homework_one211.m
%题2-1-1
clc;clf;
%产生序列
%产生序列xn1，a=0.5, length=10
a1=0.5; length1=10; n1=0:1:length1-1; xn1=a1.^n1;
%产生序列xn2，a=0.9, length=10
a2=0.9; length2=10; n2=0:1:length2-1; xn2=a2.^n2;
%产生序列xn3，a
www.eeworm.com/read/366374/9819639
m homework_one2111.m
N=10;
n=0:N-1; k=0:N-1;
xn=[ones(1,4),zeros(1,n-4)];
Xk=fft(xn);
stem(k,abs(Xk),'.');grid on;
www.eeworm.com/read/366374/9819643
asv homework_one211.asv
%题2-1-1
clc;clf;
%产生序列
%产生序列xn1，a=0.5, length=10
a1=0.5; length1=10; n1=0:1:length1-1; xn1=a1.^n1;
%产生序列xn2，a=0.9, length=10
a2=0.9; length2=10; n2=0:1:length2-1; xn2=a2.^n2;
%产生序列xn3，a
www.eeworm.com/read/366374/9819646
asv homework_one213.asv
%题目2-1-3 演示程序：f=1Hz，初始相位delta=0，抽样间隔T=0.1秒，序列长length=10
clc;clf;
f=0.5; delta=0; T=0.1; N=10; %设置参数
t=0:pi/30:N*T; %设置步长
n=0:N-1;
www.eeworm.com/read/366374/9819649
asv homework_one212.asv
%题目2-1-2 演示程序：a=0.5, b=0.8, length=10
clc;clf;
a=0.5;b=0.8;p=a+j*b;N=10; %设置参数
n=0:N-1; %设置序列长度范围
xn=p.^n; %产生序列x
www.eeworm.com/read/366374/9819653
m homework_one214.m
%题目2-1-4 演示程序：f=1Hz，初始相位delta=0，抽样间隔T=0.1秒，序列长length=10
clc;clf;
f=1; delta=0; T=0.1; N=10; %设置参数
t=0:0.001:N*T; %设置步长
n=0:N-1;
www.eeworm.com/read/366374/9819656
m homework_one212.m
%题目2-1-2 演示程序：a=0.5, b=0.8, length=10
clc;clf;
a=0.5;b=0.8;p=a+j*b;N=10; %设置参数
n=0:N-1; %设置序列长度范围
xn=p.^n; %产生序列x
www.eeworm.com/read/366374/9819659
m homework_one213.m
%题目2-1-3 演示程序：f=1Hz，初始相位delta=0，抽样间隔T=0.1秒，序列长length=10
clc;clf;
f=1; delta=0; T=0.1; N=10; %设置参数
t=0:0.001:N*T; %设置步长
n=0:N-1;
www.eeworm.com/read/366374/9819663
m homework_one2113.m
%题目2-1-1 演示程序：a=0.9，length=20
clc;clf;
a=0.9;N=20; %设置参数
n=0:N-1; %设置序列长度范围
xn=a.^n; %产生序列xn
Xk=fft(xn,N); %对序列xn进行DFT变化