yagi uda radiation pattern

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venkateswararao
venkateswararao 2011-8-27
评论： venkateswararao 2024-7-11
sir/madam i require the electric field equation for yagi uda antenna from which i can write a matlab program.I found it in balanis text book.But is it necessary to use method of moments technique for getting the radiation pattern?Don't we have any other way for getting the field pattern?
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Walter Roberson
Walter Roberson 2011-8-27
Your tags include "using matlab", but your question is about the theory of electric field equations.

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回答（2 个）

Veera Kanmani
Veera Kanmani 2018-4-20
Sreeja
Sreeja 2024-7-7
freq = 400e6; lambda = 3e8 / freq; L = lambda / 2; d = lambda / 4; N = 5;
elements = zeros(N, 3); for i = 1:N elements(i, :) = [i * d, 0, L]; end
plot3(elements(:, 1), elements(:, 2), elements(:, 3), 'o-');
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Sreeja
Sreeja 2024-7-7
freq = 400e6; lambda = 3e8 / freq; L = lambda / 2; d = lambda / 4; N = 5;
elements = zeros(N, 3); for i = 1:N elements(i, :) = [i * d, 0, L]; end
plot3(elements(:, 1), elements(:, 2), elements(:, 3), 'o-');

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