Suppression of probing effect in planar phased arrays using improved LMS algorithm

Poovannan, D and Singh, Hema and Jha, RM (2007) Suppression of probing effect in planar phased arrays using improved LMS algorithm. Technical Report. National Aerospace Laboratories, Bangalore, India.

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Abstract

The interference suppression capabilities of phased arrays can be exploited for the active radar cross section (RCS) reduction. In the earlier studies, the performance of the linear phased arrays for the suppression of probing sources was analysed in detail. Various amplitude distributions and the algorithms were employed for the pattern synthesis. In the present work the simulations are extended for the pattern synthesis. In the present work the simulations are extended for the suppression of probing sources in planar arrays with uniform and Dolph-Chebyshev distribution. Improved LMS algorithm is used for the weight estimation. Effects of various parameters, viz. number of probing sources, direction of arrival, and the power level of each of the probing sources are analysed.

Item Type: Proj.Doc/Technical Report (Technical Report)
Uncontrolled Keywords: Phased arrays;Pattern synthesis;Probing radars;Improved LMS algorithm;Quiescent pattern;Adapted pattern
Subjects: ENGINEERING > Electronics and Electrical Engineering
AERONAUTICS > Aeronautics (General)
Division/Department: Aerospace Electronics and Controls Division, Aerospace Electronics and Controls Division, Aerospace Electronics and Controls Division
Depositing User: Ms. Alphones Mary
Date Deposited: 15 Dec 2008
Last Modified: 24 May 2010 09:56
URI: http://nal-ir.nal.res.in/id/eprint/4936

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