Download Active Radar Cross Section Reduction: Theory and by Hema Singh, Rakesh Mohan Jha PDF

By Hema Singh, Rakesh Mohan Jha

This publication discusses the energetic and passive radar pass part (RCS) estimation and strategies to envision the low observable aerospace structures. It starts with the basics of RCS, through the dielectric, magnetic and metamaterials parameters of the constituent fabrics after which explains quite a few tools and the rising traits during this sector of research. The RCS estimation of phased array together with the mutual coupling impression is additionally awarded intimately within the e-book. The lively RCS relief is thoroughly touched upon throughout the functionality of phased arrays, sidelobe cancellers and mitigation of multipath influence. offering details on a variety of adaptive algorithms like least suggest sq. (LMS), recursive least sq. (RLS) and weighted least sq. algorithms, the authors additionally point out the new advancements within the quarter of embedded antennas, conformal load bearing antenna, metamaterials and frequency selective floor (FSS) dependent RCS relief.

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Z. -C. Shih, and R. -C. Chang. 2001. ’ Journal of Information Science and Engineering 18: 541–61. Whitted, T. 1980. € Yeo, J. and D. Kim. 2009. ’ Journal of Electromagnetic Waves and Applications 23: 697–709. Yuan, H. , X. Wang, S. X. Gong, and P. Zhang. 2008. ’ Journal of Electromagnetic Waves and Applications 22: 1661–70. 1 Introduction The electromagnetic (EM) wave propagation within a given material mainly depends on its constitutive parameters, viz. permittivity (e), permeability (m) and thickness of material.

Any radar can detect a target only if the EM wave scattered from the target reaches the radar. This fact is exploited to reduce the detection probability either by diverting the impinging waves in the directions away from the receiver via proper shaping or by absorbing the incident wave using RAM. These passive techniques involve appropriate EM design with respect to either the shape or material of the target. However, such passive techniques (coating and shaping) are often frequency dependent.

A complex field represents the amplitude and the direction of the wave. Ray tracing is essentially the determination of exact location of the reflection, launching and shedding points on the surface. The field associated with the ray at the receiving point is determined by coherent summation of each individual contribution of these ray-paths. In RCS estimation, ray tracing is essentially used with high-frequency asymptotic methods when the electrical dimensions are greater than the wavelength of the impinging wave.

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