Numerical Analysis Of Electromagnetic Bandgap Structures

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Numerical Analysis of Electromagnetic Bandgap Structures

Author :
Publisher :
ISBN 13 :
Total Pages : 3 pages
Book Rating : 4.:/5 (64 download)

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Book Synopsis Numerical Analysis of Electromagnetic Bandgap Structures by :

Download or read book Numerical Analysis of Electromagnetic Bandgap Structures written by and published by . This book was released on 2007 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic bandgap (EBG) structures and negative index of refraction (NIR) meta-materials are periodic dielectric or metallic material structures that allow greater control over electromagnetic waves than has previously been possible. Man-made versions of these materials block the propagation of electromagnetic waves within particular frequency bands and allow propagation only in certain spatial directions (Fig. 1). They are scalable and operate over a wide range of frequencies. These qualities are very desirable for a variety of applications such as radar, communication devices, and sensors. Traditionally, the analysis of the electromagnetic properties of EBG materials relied heavily on the mathematics of infinite periodic structures, similar to that used to describe crystal diffraction. However, for real applications, the finite dimensions, lattice defects, and boundaries have to be included in the analysis to account for their impact on the bandgap characteristics. To accomplish this requires a direct numerical simulation of the finite EBG structure. We have used a Finite-Difference Time-Domain (FDTD) numerical code to design and characterize EBG structures and to analyze the electromagnetic performance of finite EBG structures at microwave frequencies. This code allows us to directly view the time evolution of the fields in these materials. The FDTD approach is useful for optimization of EBG parameters and can facilitate the design in many emerging applications.

Electromagnetic Band Gap Structures in Antenna Engineering

Author : Fan Yang
Publisher : Cambridge University Press
ISBN 13 : 052188991X
Total Pages : 0 pages
Book Rating : 4.5/5 (218 download)

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Book Synopsis Electromagnetic Band Gap Structures in Antenna Engineering by : Fan Yang

Download or read book Electromagnetic Band Gap Structures in Antenna Engineering written by Fan Yang and published by Cambridge University Press. This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a detailed account of electromagnetic band gap (EBG) theory, analysis and applications, ideal for researchers and engineers.

Electromagnetic Bandgap (EBG) Structures

Author : Antonio Orlandi
Publisher : John Wiley & Sons
ISBN 13 : 1119281539
Total Pages : 240 pages
Book Rating : 4.1/5 (192 download)

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Book Synopsis Electromagnetic Bandgap (EBG) Structures by : Antonio Orlandi

Download or read book Electromagnetic Bandgap (EBG) Structures written by Antonio Orlandi and published by John Wiley & Sons. This book was released on 2017-05-25 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: An essential guide to the background, design, and application of common-mode filtering structures in modern high-speed differential communication links Written by a team of experts in the field, Electromagnetic Bandgap (EBG) Structures explores the practical electromagnetic bandgap based common mode filters for power integrity applications and covers the theoretical and practical design approaches for common mode filtering in high-speed printed circuit boards, especially for boards in high data-rate systems. The authors describe the classic applications of electromagnetic bandgap (EBG) structures and the phenomena of common mode generation in high speed digital boards. The text also explores the fundamental electromagnetic mechanisms of the functioning of planar EBGs and considers the impact of planar EBGs on the digital signal propagation of single ended and differential interconnects routed on top or between EBGs. The authors examine the concept, design, and modeling of EBG common mode filters in their two forms: on-board and removable. They also provide several comparisons between measurement and electromagnetic simulations that validate the proposed EBG filters' design approach. This important resource: • Presents information on planar EBG based common mode filters for high speed differential digital systems • Provides systematic analysis of the fundamental mechanisms of planar EBG structures • Offers detailed design methodology to create EBG filters without the need for repeated full-wave electromagnetic analysis • Demonstrates techniques for use in practical real-world designs Electromagnetic Bandgap (EBG) Structures: Common Mode Filters for High Speed Digital Systems offers an introduction to the background, design, and application of common-mode filtering structures in modern high-speed differential communication links, a critical issue in high-speed and high-performance systems.

Analysis of Electromagnetic Fields and Waves

Author : Reinhold Pregla
Publisher : John Wiley & Sons
ISBN 13 : 047005851X
Total Pages : 522 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Analysis of Electromagnetic Fields and Waves by : Reinhold Pregla

Download or read book Analysis of Electromagnetic Fields and Waves written by Reinhold Pregla and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Method of Lines (MOL) is a versatile approach to obtaining numerical solutions to partial differential equations (PDEs) as they appear in dynamic and static problems. This method, popular in science and engineering, essentially reduces PDEs to a set of ordinary differential equations that can be integrated using standard numerical integration methods. Its significant advantage is that the analysis algorithms follow the physical wave propagation and are therefore efficient. This is because the fields on the discretisation lines are described by generalised transmission line (GTL) equations. With this formulation we have a connection to the well known transmission line theory and resulting in an easy understanding. The method of lines is a very accurate and powerful way to analyze electromagnetic waves, enabling a full-wave solution without the computational burden of pure finite element or finite difference methods. With Analysis of Electromagnetic Fields and Waves, Reinhold Pregla describes an important and powerful method for analyzing electromagnetic waves. This book: Describes the general analysis principles for electromagnetic fields. Includes applications in microwave, millimetre wave and optical frequency regions. Unifies the analysis by introducing generalised transmission line (GTL) equations for all orthogonal coordinate systems and with materials of arbitrary anisotropy as a common start point. Demonstrates a unique analysis principle with the numerical stable impedance/admittance transformation and a physical adapted field transformation concept that is also useful for other modelling algorithms. Includes chapters on Eigenmode calculations for various waveguides, concatenations and junctions of arbitrary number of different waveguide sections in complex devices, periodic structures (e.g. Bragg gratings, meander lines, clystron resonators, photonic crystals), antennas (e.g. circular and conformal). Enables the reader to solve partial differential equations in other physical areas by using the described principles. Features an accompanying website with program codes in Matlab© for special problems. Analysis of Electromagnetic Fields and Waves will appeal to electromagnetic field practitioners in primary and applied research as well as postgraduate students in the areas of photonics, micro- and millimetre waves, general electromagnetics, e.g. microwave integrated circuits, antennas, integrated and fibre optics, optoelectronics, nanophotonics, microstructures, artificial materials.

Dielectric Waveguides for Electromagnetic Band Gap (EBG) Structures, Antennas, and Microwave Circuits

Author : Michael Wong
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Dielectric Waveguides for Electromagnetic Band Gap (EBG) Structures, Antennas, and Microwave Circuits by : Michael Wong

Download or read book Dielectric Waveguides for Electromagnetic Band Gap (EBG) Structures, Antennas, and Microwave Circuits written by Michael Wong and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scattering Analysis of Periodic Structures Using Finite-Difference Time-Domain

Author : Khaled ElMahgoub
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1608458148
Total Pages : 142 pages
Book Rating : 4.6/5 (84 download)

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Book Synopsis Scattering Analysis of Periodic Structures Using Finite-Difference Time-Domain by : Khaled ElMahgoub

Download or read book Scattering Analysis of Periodic Structures Using Finite-Difference Time-Domain written by Khaled ElMahgoub and published by Morgan & Claypool Publishers. This book was released on 2012-05-01 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Periodic structures are of great importance in electromagnetics due to their wide range of applications such as frequency selective surfaces (FSS), electromagnetic band gap (EBG) structures, periodic absorbers, meta-materials, and many others. The aim of this book is to develop efficient computational algorithms to analyze the scattering properties of various electromagnetic periodic structures using the finite-difference time-domain periodic boundary condition (FDTD/PBC) method. A new FDTD/PBC-based algorithm is introduced to analyze general skewed grid periodic structures while another algorithm is developed to analyze dispersive periodic structures. Moreover, the proposed algorithms are successfully integrated with the generalized scattering matrix (GSM) technique, identified as the hybrid FDTD-GSM algorithm, to efficiently analyze multilayer periodic structures. All the developed algorithms are easy to implement and are efficient in both computational time and memory usage. These algorithms are validated through several numerical test cases. The computational methods presented in this book will help scientists and engineers to investigate and design novel periodic structures and to explore other research frontiers in electromagnetics. Table of Contents: Introduction / FDTD Method and Periodic Boundary Conditions / Skewed Grid Periodic Structures / Dispersive Periodic Structures / Multilayered Periodic Structures / Conclusions

Design and Analysis of a Compact Planar Electromagnetic Bandgap (EBG) Structure

Author : M. S. Alam
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (969 download)

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Book Synopsis Design and Analysis of a Compact Planar Electromagnetic Bandgap (EBG) Structure by : M. S. Alam

Download or read book Design and Analysis of a Compact Planar Electromagnetic Bandgap (EBG) Structure written by M. S. Alam and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Finite Element Method in Electromagnetics

Author : Jian-Ming Jin
Publisher : John Wiley & Sons
ISBN 13 : 1118842022
Total Pages : 728 pages
Book Rating : 4.1/5 (188 download)

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Book Synopsis The Finite Element Method in Electromagnetics by : Jian-Ming Jin

Download or read book The Finite Element Method in Electromagnetics written by Jian-Ming Jin and published by John Wiley & Sons. This book was released on 2015-02-18 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new edition of the leading textbook on the finite element method, incorporating major advancements and further applications in the field of electromagnetics The finite element method (FEM) is a powerful simulation technique used to solve boundary-value problems in a variety of engineering circumstances. It has been widely used for analysis of electromagnetic fields in antennas, radar scattering, RF and microwave engineering, high-speed/high-frequency circuits, wireless communication, electromagnetic compatibility, photonics, remote sensing, biomedical engineering, and space exploration. The Finite Element Method in Electromagnetics, Third Edition explains the method’s processes and techniques in careful, meticulous prose and covers not only essential finite element method theory, but also its latest developments and applications—giving engineers a methodical way to quickly master this very powerful numerical technique for solving practical, often complicated, electromagnetic problems. Featuring over thirty percent new material, the third edition of this essential and comprehensive text now includes: A wider range of applications, including antennas, phased arrays, electric machines, high-frequency circuits, and crystal photonics The finite element analysis of wave propagation, scattering, and radiation in periodic structures The time-domain finite element method for analysis of wideband antennas and transient electromagnetic phenomena Novel domain decomposition techniques for parallel computation and efficient simulation of large-scale problems, such as phased-array antennas and photonic crystals Along with a great many examples, The Finite Element Method in Electromagnetics is an ideal book for engineering students as well as for professionals in the field.

Computational Methods for Electromagnetic Phenomena

Author : Wei Cai
Publisher : Cambridge University Press
ISBN 13 : 1139619845
Total Pages : 463 pages
Book Rating : 4.1/5 (396 download)

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Book Synopsis Computational Methods for Electromagnetic Phenomena by : Wei Cai

Download or read book Computational Methods for Electromagnetic Phenomena written by Wei Cai and published by Cambridge University Press. This book was released on 2013-01-03 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique and comprehensive graduate text and reference on numerical methods for electromagnetic phenomena, from atomistic to continuum scales, in biology, optical-to-micro waves, photonics, nanoelectronics and plasmas. The state-of-the-art numerical methods described include: • Statistical fluctuation formulae for the dielectric constant • Particle-Mesh-Ewald, Fast-Multipole-Method and image-based reaction field method for long-range interactions • High-order singular/hypersingular (Nyström collocation/Galerkin) boundary and volume integral methods in layered media for Poisson–Boltzmann electrostatics, electromagnetic wave scattering and electron density waves in quantum dots • Absorbing and UPML boundary conditions • High-order hierarchical Nédélec edge elements • High-order discontinuous Galerkin (DG) and Yee finite difference time-domain methods • Finite element and plane wave frequency-domain methods for periodic structures • Generalized DG beam propagation method for optical waveguides • NEGF(Non-equilibrium Green's function) and Wigner kinetic methods for quantum transport • High-order WENO and Godunov and central schemes for hydrodynamic transport • Vlasov-Fokker-Planck and PIC and constrained MHD transport in plasmas

Computational Methods for Electromagnetic and Optical Systems, Second Edition

Author : John M. Jarem
Publisher : CRC Press
ISBN 13 : 1439804230
Total Pages : 434 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Computational Methods for Electromagnetic and Optical Systems, Second Edition by : John M. Jarem

Download or read book Computational Methods for Electromagnetic and Optical Systems, Second Edition written by John M. Jarem and published by CRC Press. This book was released on 2011 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text examines a variety of spectral computational techniques— including k-space theory, Floquet theory and beam propagation— that are used to analyze electromagnetic and optical problems. The authors tie together different applications in EM and optics in which the state variable method is used. Emphasizing the analysis of planar diffraction gratings using rigorous coupled wave analysis, the book presents many cases that are analyzed using a full-field vector approach to solve Maxwell’s equations in anisotropic media where a standard wave equation approach is intractable.

Signal Integrity Analysis of Transmission Lines Backed by Electromagnetic Bandgap Structures in High-speed Systems

Author : Jin Chen
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (63 download)

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Book Synopsis Signal Integrity Analysis of Transmission Lines Backed by Electromagnetic Bandgap Structures in High-speed Systems by : Jin Chen

Download or read book Signal Integrity Analysis of Transmission Lines Backed by Electromagnetic Bandgap Structures in High-speed Systems written by Jin Chen and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electromagnetic Bandgap (EBG) Structure Based Patch Antennas

Author : Gnanam Gnanagurunathan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (86 download)

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Book Synopsis Electromagnetic Bandgap (EBG) Structure Based Patch Antennas by : Gnanam Gnanagurunathan

Download or read book Electromagnetic Bandgap (EBG) Structure Based Patch Antennas written by Gnanam Gnanagurunathan and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Microstrip patch antenna is used extensively in wireless and mobile applications due to its low-profile and lightweight. However, this antenna is prone to low gain, limited bandwidth and increased cross polarization levels. Electromagnetic Bandgap (EBG) structures are able to enhance the performance of this type of antenna. In this work, the performance of the patch antenna when integrated with EBG structure is investigated. A preliminary simulation study on the performance of a microstrip patch antenna integrated with Electromagnetic Bandgap (EBG) structures, indicated improvement in the radiation characteristics. First, the EBG characterization effort is undertaken. The bandgap of complementary and non-complementary form of five geometries are analyzed using the transmission line method. The analysis through simulation and measurement, show that complementary form sees a significant shift in the bandgap to lower frequencies and offer wider bandgap when compared to non-complementary form. Subsequently, gain performance of a square patch antenna when it is enclosed by complementary forms of either circular or square EBG cells are investigated. It emerges that the use of complementary EBG cells results in a comparatively better gain performance. The study includes a consideration of the groundplane size and the number of rows surrounding the patch, as these could affect the gain performance. This is followed by experimental measurements to substantiate the simulation outcome. Finally, the gain performance of a wideband antenna when it is configured with an EBG structure which functions as a reflector, also known as Artificial Magnetic Conductor (AMC) is investigated and reported. Four variations of the AMC structure are investigated i.e. a square cell backed by square cells (with and without vias) and square cells backed by a PEC (with and without vias). The properties of gain, impedance bandwidth and power patterns are measured and reported over the wideband frequencies of 3-10GHz.

Computational Electromagnetics

Author : Raj Mittra
Publisher : Springer Science & Business Media
ISBN 13 : 1461443822
Total Pages : 707 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Computational Electromagnetics by : Raj Mittra

Download or read book Computational Electromagnetics written by Raj Mittra and published by Springer Science & Business Media. This book was released on 2013-08-20 with total page 707 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emerging Topics in Computational Electromagnetics in Computational Electromagnetics presents advances in Computational Electromagnetics. This book is designed to fill the existing gap in current CEM literature that only cover the conventional numerical techniques for solving traditional EM problems. The book examines new algorithms, and applications of these algorithms for solving problems of current interest that are not readily amenable to efficient treatment by using the existing techniques. The authors discuss solution techniques for problems arising in nanotechnology, bioEM, metamaterials, as well as multiscale problems. They present techniques that utilize recent advances in computer technology, such as parallel architectures, and the increasing need to solve large and complex problems in a time efficient manner by using highly scalable algorithms.

Computational Methods for Electromagnetic and Optical Systems

Author : John M. Jarem
Publisher : CRC Press
ISBN 13 : 1439891281
Total Pages : 426 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Computational Methods for Electromagnetic and Optical Systems by : John M. Jarem

Download or read book Computational Methods for Electromagnetic and Optical Systems written by John M. Jarem and published by CRC Press. This book was released on 2016-04-19 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: The current rapid and complex advancement applications of electromagnetic (EM) and optical systems calls for a much needed update on the computational methods currently in use. Completely revised and reflecting ten years of develoments, this second edition of the bestselling Computational Methods for Electromagnetic and Optical Systems provides the

Spectroscopy of Semiconductors

Author : Wei Lu
Publisher : Springer
ISBN 13 : 3319949535
Total Pages : 245 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Spectroscopy of Semiconductors by : Wei Lu

Download or read book Spectroscopy of Semiconductors written by Wei Lu and published by Springer. This book was released on 2018-07-31 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: The science and technology related to semiconductors have received significant attention for applications in various fields including microelectronics, nanophotonics, and biotechnologies. Understanding of semiconductors has advanced to such a level that we are now able to design novel system complexes before we go for the proof-of-principle experimental demonstration. This book explains the experimental setups for optical spectral analysis of semiconductors and describes the experimental methods and the basic quantum mechanical principles underlying the fast-developing nanotechnology for semiconductors. Further, it uses numerous case studies with detailed theoretical discussions and calculations to demonstrate the data analysis. Covering structures ranging from bulk to the nanoscale, it examines applications in the semiconductor industry and biomedicine. Starting from the most basic physics of geometric optics, wave optics, quantum mechanics, solid-state physics, it provides a self-contained resource on the subject for university undergraduates. The book can be further used as a toolbox for researching and developing semiconductor nanotechnology based on spectroscopy.

Scattering Analysis of Periodic Structures using Finite-Difference Time-Domain Method

Author : Khaled ElMahgoub
Publisher : Springer
ISBN 13 : 9783031005855
Total Pages : 122 pages
Book Rating : 4.0/5 (58 download)

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Book Synopsis Scattering Analysis of Periodic Structures using Finite-Difference Time-Domain Method by : Khaled ElMahgoub

Download or read book Scattering Analysis of Periodic Structures using Finite-Difference Time-Domain Method written by Khaled ElMahgoub and published by Springer. This book was released on 2012-05-23 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: Periodic structures are of great importance in electromagnetics due to their wide range of applications such as frequency selective surfaces (FSS), electromagnetic band gap (EBG) structures, periodic absorbers, meta-materials, and many others. The aim of this book is to develop efficient computational algorithms to analyze the scattering properties of various electromagnetic periodic structures using the finite-difference time-domain periodic boundary condition (FDTD/PBC) method. A new FDTD/PBC-based algorithm is introduced to analyze general skewed grid periodic structures while another algorithm is developed to analyze dispersive periodic structures. Moreover, the proposed algorithms are successfully integrated with the generalized scattering matrix (GSM) technique, identified as the hybrid FDTD-GSM algorithm, to efficiently analyze multilayer periodic structures. All the developed algorithms are easy to implement and are efficient in both computational time and memory usage. These algorithms are validated through several numerical test cases. The computational methods presented in this book will help scientists and engineers to investigate and design novel periodic structures and to explore other research frontiers in electromagnetics. Table of Contents: Introduction / FDTD Method and Periodic Boundary Conditions / Skewed Grid Periodic Structures / Dispersive Periodic Structures / Multilayered Periodic Structures / Conclusions

Frequency Domain Hybrid Finite Element Methods for Electromagnetics

Author : John Leonidas Volakis
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1598290800
Total Pages : 157 pages
Book Rating : 4.5/5 (982 download)

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Book Synopsis Frequency Domain Hybrid Finite Element Methods for Electromagnetics by : John Leonidas Volakis

Download or read book Frequency Domain Hybrid Finite Element Methods for Electromagnetics written by John Leonidas Volakis and published by Morgan & Claypool Publishers. This book was released on 2006 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a brief overview of the popular Finite Element Method (FEM) and its hybrid versions for electromagnetics with applications to radar scattering, antennas and arrays, guided structures, microwave components, frequency selective surfaces, periodic media, and RF materials characterizations and related topics. It starts by presenting concepts based on Hilbert and Sobolev spaces as well as Curl and Divergence spaces for generating matrices, useful in all engineering simulation methods. It then proceeds to present applications of the finite element and finite element-boundary integral methods for scattering and radiation. Applications to periodic media, metamaterials and bandgap structures are also included. The hybrid volume integral equation method for high contrast dielectrics and is presented for the first time. Another unique feature of the book is the inclusion of design optimization techniques and their integration within commercial numerical analysis packages for shape and material design. To aid the reader with the method's utility, an entire chapter is devoted to two-dimensional problems. The book can be considered as an update on the latest developments since the publication of our earlier book (Finite Element Method for Electromagnetics, IEEE Press, 1998). The latter is certainly complementary companion to this one.