x(t)=cos(2*pi*5*t)+cos(2*pi*10*t)+cos(2*pi*20*t)+cos(2*pi*50
x(t)=cos(2*pi*5*t)+cos(2*pi*10*t)+cos(2*pi*20*t)+cos(2*pi*50
Matlab u(x,t)=sin(5*pi*x)cos(5*pi*t)+2sin(7*pi*x)cos(7*pi*t)
t=0:pi/100:10*pi; x=2*(cos(t)+t*sin(t)); y=2*(sin(t)-t*cos(t
x=4*sin(2*pi*0.01*t).*sin(2*pi*3*t)+2*cos(pi*t*t/4);在matlab中
求用MATLAB编写一波形程序x=(cos(2*pi*260*t)*cos(2*pi*fc*t))+0.5*cos(2*
matlab 对信号y = sin(pi*50*t)+3*cos(2*pi*100*t);什么意思
T=[-1 1] q=cos(pi/8*(cos(pi*t/T)).^3-3pi/8*cos(pi*t/T))+pi/4
matlab中t=linspace(0,2*pi,100);x=[t;t]';y=[sin(t);cos(t)]';pl
MATLAB中 y=cos(2*pi*100*t);s=sin(4*pi*t);是什么意思啊?
y=cos(-pi/2x+pi/2)等于什么
出处 h=2*pi/100;t=0:h:2*pi;r=0:0.05:1;x=r'*cos(t);y=r'*sin(t);
MATLAB求助,用FFT直接计算x=cos(2*pi*40*t)+2sin(2*pi*120*t)+w(t)的功率谱.