How to chage axis of radius at polar graph? I really want your help, please,

I have to make polar graph. I have exel data(360), and it have negative, positive dB so i draw with MATLAB

theta=linspace(1,2*pi,360);

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polar(theta,r)

but i have the blue graph, i want redline polar graph(made in excel) at MATLAB, Pleas i want to know how to make the graph with -40dB~dB axis of radius

Answer 1

[Ka]

Hi Kein,

maybe you can just try the polar2() function from file exchange:

http://de.mathworks.com/matlabcentral/fileexchange/23589-polar-2

For me it suited to adjust axis limits in polar plots.

Ka