matlab画出x[n]=(u[sin1/2πn]-u[sin(1/2πn-1/2π)](u[n+5]-u[n-5])的
来源:学生作业帮 编辑:神马作文网作业帮 分类:综合作业 时间:2024/09/22 00:53:26
matlab画出x[n]=(u[sin1/2πn]-u[sin(1/2πn-1/2π)](u[n+5]-u[n-5])的离散时间序列图形.
>>n=-10:10;
>>x1=heaviside(n+5)-heaviside(n-5);
>>figure('color','w','position',[100 100 640 480]);
>>subplot(5,1,1)
>>stem(n,x1)
>>x2=heaviside(n+4)-heaviside(n+1)+heaviside(n)-heaviside(n-3)+heaviside(n-4)-heaviside(n-5);
>>subplot(5,1,2);
>>stem(n,x2)
>>x3=heaviside(n+5)-heaviside(n+4)+heaviside(n+3)-heaviside(n)+heaviside(n-1)-heaviside(n-4);
>>subplot(5,1,3);
>>stem(n,x3)
>>x4=x2-x3;
>>subplot(5,1,4);
>>stem(n,x4)
>>x5=x4.*x1;
>>subplot(5,1,5);
>>stem(n,x5)
显示错误
x1=heaviside(n+5)-heaviside(n-5);
|
Error:The input character is not valid in MATLAB statements or expressions.
>>n=-10:10;
>>x1=heaviside(n+5)-heaviside(n-5);
>>figure('color','w','position',[100 100 640 480]);
>>subplot(5,1,1)
>>stem(n,x1)
>>x2=heaviside(n+4)-heaviside(n+1)+heaviside(n)-heaviside(n-3)+heaviside(n-4)-heaviside(n-5);
>>subplot(5,1,2);
>>stem(n,x2)
>>x3=heaviside(n+5)-heaviside(n+4)+heaviside(n+3)-heaviside(n)+heaviside(n-1)-heaviside(n-4);
>>subplot(5,1,3);
>>stem(n,x3)
>>x4=x2-x3;
>>subplot(5,1,4);
>>stem(n,x4)
>>x5=x4.*x1;
>>subplot(5,1,5);
>>stem(n,x5)
显示错误
x1=heaviside(n+5)-heaviside(n-5);
|
Error:The input character is not valid in MATLAB statements or expressions.
因为那句话的分号是中文的.把;改成;就可以了.
matlab画出x[n]=(u[sin1/2πn]-u[sin(1/2πn-1/2π)](u[n+5]-u[n-5])的
如何用MATLAB 画出的图像.x[n]=n(u[n]-u[n-10])+10e^((-0.3)*(n-10))*(u[
高数 设U(n) 不等于 0 (n=1,2,3,,) 且 (n→无穷)lim n/U(n) =1,则级数(n=1)∑[(
设全集U=M∪N={1,2,3,4,5},M∩N在U中的补集={2,4},则N=什么
设全集U={x|x=1/2n,n∈Z},A={x|x=n,n∈z},则A的补集=
设全集U={x∈N/2≤x≤30},集合A={x/x=2n,n∈N+,且n≤15},B={x/x=3n+1,n∈N+,且
全集U=N 集合A={x|x=2n,n∈N},B={x|x=4n,n∈N}则( )
4.已知全集U=N,集合A={x | x=2n,n∈N} ,B={x | x=4n,n∈N},则
已知U1=1,U2=2,求Un=2U(n-2)+U(n-1)+1
数字信号处理,单位跃阶响应 已知h(n)= x(n-2) - x(n-4),s(n)=h(n)*u(n) s(n)是多少
MATLAB阶跃函数K=exp^(-0.05*(60*(n-1)+x))u(50-(60*(n-1))),这个式子里面n
设随机变量X~N(u,σ^2),求Y=2X+5的概率密度