EAN: 9789812877536

SPRINGERBRIEFS IN ELECTRICAL AND COMPUTER ENGIN...

In this book  the RCS of a parallel-fed linear and planar dipole array is derived using an
approximate method. The signal propagation within the phased array system determines the radar
cross section (RCS) of phased array. The reflection and transmission coefficients for a signal
at different levels of the phased-in scattering array system depend on the impedance mismatch
and the design parameters. Moreover the mutual coupling effect in between the antenna elements
is an important factor. A phased array system comprises of radiating elements followed by phase
shifters  couplers  and terminating load impedance. These components lead to respective
impedances towards the incoming signal that travels through them before reaching receive port
of the array system. In this book  the RCS is approximated in terms of array factor  neglecting
the phase terms. The mutual coupling effect is taken into account. The dependence of the RCS
pattern on the design parameters is analyzed. The approximate model is established as an
efficient method for RCS estimation of phased arrays. This book presents a detailed formulation
of approximate method to determine RCS of phased arrays  which is explained using schematics
and illustrations. This book should help the reader understand the impinging signal path and
its reflections transmissions within the phased array system.

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