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Title: A Novel Wideband Subarray Technique for Shaped Pattern Generation and Adaptively Interference Rejection
Authors: Alfred, Q. Md.
Chakravarty, T.
Singh, G.
Sanyal, S. K.
Keywords: Phase array
Phase shifter
Issue Date: 2007
Publisher: Jaypee University of Information Technology, Solan, H.P.
Abstract: In this article, a simple and efficient technique for the wideband shaped beam and sector beam pattern generation with their adaptive interference rejection is proposed. A microcontroller controlled and time delay based beam forming network for simultaneously generating multiple beams, shaped beam and sector beam is conceptualized. The antenna patterns considered here is formed by linear array of isotropic elements grouped as subarray. The shaped and sector beam synthesis procedure is practically simplified by simultaneous adding the constituents beams from the subarrays, was theoretically established by Woodward and Lawson (Proc. IEE. 95(1):362–370, 1948). Apart from the shaped beam generation a technique for adaptive interference rejection in shaped patterns using combination of time delay and phase shifter is discussed. This topic promises good prospect for wideband pattern generation and interference rejection.
Appears in Collections:Journal Articles

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