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3D Circular patterns

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Irwin2020
Irwin2020 2019-5-31
编辑： Irwin2020 2019-6-1
Please help me plot this function in 3D circular patterns , i.e I'm trying to loop it around in the shape of a circil.
clc
f= 6805000000; % frequncy = 5405000000
C= 299792458; %Speed of the light
d=2
x= -5:0.1:5;
y= sin(x)';
xr=x*pi/180;
yr=y*pi/180;
theta=sqrt(xr.^2+yr.^2);
x1= theta*f*d/C;
sinc_xA= sinc(x1);
A=sinc_xA.^4;
A3D = 10*log10(A);
z=A3D*180;
%3D-Plot
figure()
[xr,yr] = meshgrid(xr,yr);
% z = sinc(xr/4).*sinc(yr/4);
mesh(xr,yr,z);
% mesh(r.*cos(yr),r.*sin(xr),z);
xlabel('(degrees)');
ylabel(' (degrees)');
zlabel(' (Direction)');
  2 个评论
darova
darova 2019-5-31
What a problem do you have?
Irwin2020
Irwin2020 2019-5-31
编辑：Irwin2020 2019-5-31
I’m trying to plot this function in 3D circular patterns, basically the two input variables ( xr, yr) want them to go around and make a plot similar to this screenshot..

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