twosines.m

来自「biomedical stuffs...」· M 代码 · 共 10 行

%	twosines.m
%	Generates signal x = sine1 + sine2
%	where frequencies are incommensurate, and plots time and 3D graphs.
x=sin(2*pi*6.726*t)+0.55*sin(2*pi*51.49*t);
zax=0.55*cos(2*pi*51.49*t);
xax=(1+0.55*sin(2*pi*51.49*t)).*sin(2*pi*6.726*t);
yax=(1+0.55*sin(2*pi*51.49*t)).*cos(2*pi*6.726*t);
figure(1),plot(x(1:400))
figure(2),plot3(xax,yax,zax)