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A theory of circular array antennas based on nonsinusoidal (rectangular) pulses, is developed. Different antenna patterns such as peak amplitude, peak power, energy, and slope pattern are derived and plotted. The antenna patterns yield the resolution angle for the circular array as a function of array radius and frequency bandwidth. The effect of additive Gaussian noise on the angular resolution capability of the circular array is analyzed. The analysis is based on calculating slope patterns by using linear regression algorithm for different signal-to-noise power ratios.>
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Al-Halabi et al. (1989) studied this question.
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