Fundamentals of Em Design of Radar Absorbing Structures (Ras)

ISBN-13: 9789811050794 / Angielski / Miękka / 2017 / 55 str.

Hema Singh; Ebison Duraisingh Daniel J.; Harish Singh Rawat

Opis

This book presents a detailed analytical formulation, and step-by-step design procedure for the electromagnetic (EM) design of radar absorbing structures (RAS).

Spis treści

1. Introduction

2. Design of Radar Absorbing Structure

2.1 Single Layer Jaumann Absorber

2.2 Double Layer Jaumann Absorber

2.3 Design Procedure of N-layer Absorber

3. Equivalent Circuit Model-based RAS Design

3.1 Calculation of Effective Admittance

3.2 Derivation of Circuit Element Parameters

4. Smith Chart-based RAS Design

4.1 Single Layer Absorber

4.2 Double Layer Absorber

5. Conclusion

References

Appendix A: ABCD-Voltage Matrix Analysis

Appendix B: Derivation of Admittance of Absorber Layers

Appendix C: Derivation of N-(S) of N-layer Absorber

Appendix D: Smith Chart-based Calculations for a Jaumann Absorber

Author Index

Subject Index

O autorze

Dr Hema Singh is currently working as Principal Scientist in Centre for Electromagnetics of CSIR-National Aerospace Laboratories, Bangalore, India. Earlier, she was Lecturer in EEE, BITS, Pilani, India during 2001-2004. She obtained her Ph.D. degree in Electronics Engineering from IIT-BHU, Varanasi India in 2000. Her active area of research is Computational Electromagnetics for Aerospace Applications, EM analysis of propagation in an indoor environment, Phased Arrays, Conformal Antennas, Radar Cross Section (RCS) Studies including Active RCS Reduction.  She received Best Woman Scientist Award in CSIR-NAL, Bangalore for period of 2007-2008 for her contribution in area of active RCS reduction. Dr. Singh has co-authored nine books, one book chapter, and over 200 scientific research papers and technical reports.

Mr Ebison Duraisingh Daniel J obtained B.Tech. (ECE) and M.Tech. (Communication Systems) from Karunya University, Coimbatore, India. He was a Project Scientist at the Centre for Electromagnetics (CEM) of CSIR-National Aerospace Laboratories, Bangalore where he worked on RCS studies for aerospace vehicles.

Harish Singh Rawat  is research scholar inApex Level Standards & Industrial Metrology Department of CSIR-NPL, New Delhi. He hasobtained his M.Sc. (Electronics) in 2013 from the Department of Engineering and Technology, Jamia Millia Islamia, New Delhi, India. He was a project engineer at the Centre for Electromagnetics (CEM) at CSIR-National Aerospace Laboratories, Bangalore, India. His research interests include radar cross section (RCS) studies, radar absorbing structures (RAS), low-profile antennas, and phased arrays mounted on planar and non-planar surfaces.

Reshma George obtained her M.Tech. in Power Electronics and Drives in 2015 from the Department of Electrical & Electronics Engineering, Anna University Regional Centre, Coimbatore, India. She obtained a B.Tech. in Electrical and Elec

tronics Engineering, in 2012 from Mahatma Gandhi University (MG University), Kottayam, Kerala. She was a NALTech project scientist at the Centre for Electromagnetics (CEM) at CSIR-National Aerospace Laboratories, Bangalore, India, where she works on radar absorbing structures (RAS) and conformal arrays.

Blurb

This book presents a detailed analytical formulation, and step-by-step design procedure for the electromagnetic (EM) design of radar absorbing structures (RAS). It discusses both the equivalent circuit model and Smith chart approach with illustrations to provide a clear understanding of the steps involved in designing multilayered RAS according to the desired specifications. This book is a valuable resource for beginners, academicians, and R&D engineers working in the field of RAS design and development.