How to make polardb finction work

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han han
han han 2020-2-7
评论： Jia-Hong Lai 2022-4-18
I want to draw a beam, but I refer to the example in this article.
Code source
https://www.mathworks.com/matlabcentral/fileexchange/55924-array-signal-processing-demos?focused=c9810cf5-69cf-593b-a2ae-7f48c60ae3ba&tab=example
I want to draw the beam as shown below
figure('NumberTitle','off','Name','Figure 11.9 in Polar','Position',[0 0 600 850]);
subplot(2,1,1);
polardb(angle*pi/180,10*log10(abs(C1).^2),-60,'b');
title('Beampattern Using Definition');
grid on;
Will show the following error
Where is polardb defined?
How to correct it?
Thx.

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回答（1 个）

Gnaneswar Nadh satapathi

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