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RF Theory
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Radiation Pattern of Uniform Linear Antenna Array
No. of Elements
N
Element Spacing in Wavelength \(\lambda \)
d
Phase Shift in degree
\(\beta \)
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Graph Legend
Normalized radiation pattern in rectangular plot YZ Cut
Normalized radiation pattern in polar plot YZ Cut
Formula
\(AF = \sum_{n=1}^{N}e^{j(n-1)(kdcos\theta +\beta )}\)
Where:
The angular wavenumber \(k=\frac{2\pi }{\lambda } \) expresses the number of radians in a unit of distance
N = number of antenna elements
d = distance between the antenna elements
\(\beta \) = relative phase shift
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