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Generating Reports and Postprocessing > Directive GainDirective Gain is the ratio of the radiation intensity at a specified observation angle to the average radiation intensity. For the observation angle (q,f), the directivity is:
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where U is the radiation intensity, which is defined as:
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The average radiation intensity is related to the radiated power by:
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Directivity Directivity is the maximum value of Directive Gain, or:
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Reference Warren Stutzman and Gary Thiele, Antenna Theory and Design, Wiley, 1981.
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