An approximate formula for calculating the directivity of an antenna

An approximate general formula to calculate the directivity of an antenna based upon the E -plane and H -plane patterns is proposed. For narrow beam patterns, the directivity is expressed in terms of the half-power beam widths of the main patterns. The better approximation of the formula presented h...

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Bibliographic Details
Published in:I.R.E. transactions on antennas and propagation 1976-03, Vol.24 (2), p.235-236
Main Authors: Chen-To Tai, Pereira, C.
Format: Article
Language:English
Subjects:
Antennas and propagation
Chebyshev approximation
Convolution
Dipole antennas
EMP radiation effects
Integral equations
Polynomials
Power measurement
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Description
Summary:An approximate general formula to calculate the directivity of an antenna based upon the E -plane and H -plane patterns is proposed. For narrow beam patterns, the directivity is expressed in terms of the half-power beam widths of the main patterns. The better approximation of the formula presented here over the geometrical mean formula is pointed out.
ISSN:0018-926X
0096-1973
1558-2221
DOI:10.1109/TAP.1976.1141313