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It is essentially a step-to-step guide for beginners in the field of antenna array design and engineering. Plasma-based radar cross section reduction by Hema Singh 12 editions published between and in English and held by WorldCat member libraries worldwide This book presents a comprehensive review of plasma-based stealth, covering the basics, methods, parametric analysis, and challenges towards the realization of the idea.

The concealment of aircraft from radar sources, or stealth, is achieved through shaping, radar absorbing coatings, engineered materials, or plasma, etc. Plasma-based stealth is a radar cross section RCS reduction technique associated with the reflection and absorption of incident electromagnetic EM waves by the plasma layer surrounding the structure.

A plasma cloud covering the aircraft may give rise to other signatures such as thermal, acoustic, infrared, or visual.

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Thus it is a matter of concern that the RCS reduction by plasma enhances its detectability due to other signatures. This needs a careful approach towards the plasma generation and its EM wave interaction. The book starts with the basics of EM wave interactions with plasma, briefly discuss the methods used to analyze the propagation characteristics of plasma, and its generation.

It presents the parametric analysis of propagation behaviour of plasma, and the challenges in the implementation of plasma-based stealth technology. This review serves as a starting point for the graduate and research students, scientists and engineers working in the area of low-observables and stealth technology. Radar cross section of dipole phased arrays with parallel feed network by Hema Singh 10 editions published between and in English and held by WorldCat member libraries worldwide This book presents the detailed analytical formulation for the RCS of parallel-fed linear dipole array in the presence of mutual coupling.

The radar cross section RCS of an object represents its electromagnetic EM scattering properties for a given incident wave. The analysis of scattered field is critical in military and defence arenas, especially while designing low-observable platforms.


  1. Associated Data.
  2. Rakesh Mohan Jha!
  3. Antenna Toolbox;
  4. Sons and Lovers [Annotated Version].
  5. Invasion (Magic the Gathering: Invasion Cycle, Book 1).

The primary cause for such scattering of the incident signals is reflection that occurs within the antenna aperture and its feed network. In this book, the RCS estimation is done based on the signal path within the antenna system. The scattered field is expressed in terms of array design parameters including the reflection and transmission coefficients. The computed results show the variation in the RCS pattern with and without mutual coupling. The effect of finite dipole-length, inter-element spacing, scan angle, array configuration, amplitude distribution and terminating load impedance on the RCS pattern is studied.

It is shown that the array RCS can be controlled by choosing optimum design parameters, including terminating impedance and geometric configuration. This book explains each step of the RCS estimation and analysis of dipole array with detailed schematics, tables and illustrations. Moreover, it includes parametric analysis of RCS estimation and control. This book provides an insight into the phenomenon of scattering within the phased array system.

RCS estimation of linear and planar dipole phased arrays : approximate model by Hema Singh 10 editions published between and in English and held by WorldCat member libraries worldwide 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.

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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.

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This book presents a detailed formulation of approximate method to determine RCS of phased arrays, which is explained using schematics and illustrations. Refined ray-tracing inside single- and double-curvatured concave surfaces by Balamati Choudhury 8 editions published between and in English and held by WorldCat member libraries worldwide This book describes the ray tracing effects inside different quadric surfaces. Analytical surface modeling is a priori requirement for electromagnetic EM analysis over aerospace platforms. Although numerically-specified surfaces and even non-uniform rational basis spline NURBS can be used for modeling such surfaces, for most practical EM applications, it is sufficient to model them as quadric surface patches and the hybrids thereof.

It is therefore apparent that a vast majority of aerospace bodies can be conveniently modeled as combinations of simpler quadric surfaces, i.

Hence the analysis of geometric ray tracing inside is prerequisite to analyzing the RF build-up. This book, describes the ray tracing effects inside different quadric surfaces such as right circular cylinder, general paraboloid of revolution GPOR , GPOR frustum of different shaping parameters and the corresponding visualization of the ray-path details. Finally ray tracing inside a typical space module, which is a hybrid of a finite segment of right circular cylinder and a frustum of GPOR is analyzed for practical aerospace applications.

Active radar cross section reduction : theory and applications by R. M Jha 5 editions published in in English and held by WorldCat member libraries worldwide "Provides a comprehensive discussion on active and passive radar cross section RCS estimation and techniques to achieve the low observable aerospace platforms" Radar absorbing materials : from theory to design and characterization by K.

J Vinoy Book 5 editions published in in English and held by 88 WorldCat member libraries worldwide. Soft computing in electromagnetics : methods and applications by Balamati Choudhury 7 editions published between and in English and held by 67 WorldCat member libraries worldwide "Discusses application of soft computing concepts in the field of metamaterial antennas, radar absorbers, transmission line characterization and optimised radar absorbing material RAM " Permittivity and Permeability Tensors for Cloaking Applications by Balamati Choudhury 1 edition published in in English and held by 1 WorldCat member library worldwide.

Rakesh Mohan Jha

Numerical transient-state solutions of queueing systems by S Ashour 1 edition published in in English and held by 1 WorldCat member library worldwide. Audience Level. Related Identities. Associated Subjects. 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. Facebook Twitter. A phased array system comprises of radiating elements followed by phase shifters, couplers, and terminating load impedance.


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  • 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.

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    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. Chandini, Rakesh Mohan Jha Dr. She obtained her Ph.