EAN: 9789812877895

SPRINGERBRIEFS IN ELECTRICAL AND COMPUTER ENGIN...

This book presents a detailed and systematic analytical treatment of scattering by an arbitrary
dipole array configuration with unequal-length dipoles  different inter-element spacing and
load impedance. It provides a physical interpretation of the scattering phenomena within the
phased array system. The antenna radar cross section (RCS) depends on the field scattered by
the antenna towards the receiver. It has two components  viz. structural RCS and antenna mode
RCS. The latter component dominates the former  especially if the antenna is mounted on a low
observable platform. The reduction in the scattering due to the presence of antennas on the
surface is one of the concerns towards stealth technology. In order to achieve this objective 
a detailed and accurate analysis of antenna mode scattering is required. In practical phased
array  one cannot ignore the finite dimensions of antenna elements  coupling effect and the
role of feed network while estimating the antenna RCS. This book presents the RCS estimation of
an array with unequal-length dipoles. The signal reflections within the antenna system and the
mutual coupling effect are considered to arrive at the total RCS for series and parallel feed.
The computations are valid for any arbitrary array configurations  including side-by-side
arrangement  parallel-in-echelon  etc.

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