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Published in:
2012 | OriginalPaper | Chapter
Amplitude Weighting Method for Beamforming in Far-Field from Uniform Array
Authors : Lanxian Zhong, Zhiyong Zhang
Published in: Recent Advances in Computer Science and Information Engineering
Publisher: Springer Berlin Heidelberg
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An amplitude weighting method of forming a specific radiation pattern in far-field was proposed, which is different from the phase-array beamforming. The formula for calculating radiation amplitudes was derived in detail. Numerical results illustrated that radiation pattern with limited distribution can be closed in upon by increasing the number of elements, and it was indicated that the total number of elements can be determined in ratio of the main lobe energy to total radiation energy.