Equation to calcuate radiation pattern of monopole?

[supersun]

Hi,

I want to find an equation which can describe the radiation pattern of an arbritary monopole. I want to use this equation to plot the 3-D radiation pattern in Matlab.
I also want to investigate the difference in radiation pattern when the monopole is in different orientation.

Could anyone tell me what should the equation be or where I could find the equation?

Thank you so much.
Regards,
Neil

 

[vfone]

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