Progress in Electromagnetics Research 5, entitledApplication of Conjugate Gradient Method to Electromagnetics and Signal Analysis, addresses the conjugate gradient method with authoritative contributions from leading scientists in the field. The conjugate gradient method has been very popular for nonlinear optimization problems and is considered an efficient means of solving matrix equations. Recently, the method has been observed as advantageous for direct application to the solution of operator equations. This PIER volume provides a survey of how, when, why and where to apply the conjugate gradient method. Examples illustrate the classes of problems for which the method is most suited in the fields of electromagnetics and signal analysis. The book is appropriate for developing undergraduate research problems, as well as for a special topic course at the graduate level.

Application of Conjugate Gradient Method to Electromagnetics and Signal Analysis (PROGRESS IN ELECTROMAGNETICS RESEARCH)

Engineering & Transportation

Sarkar, Tapan K.

Engineering

Elsevier Science Ltd.

The latest in parallel EM solutions with both in-core and out-of-core solvers The solution of complex electromagnetic (EM) problems requires one to address the issues related with numerical accuracy and efficient distribution of the solution procedure over multiple computational nodes. With the advent of multicore processors and high performance computing (HPC) technology, the EM software designers need to know how to add new functionality to computational EM codes so that they can run efficiently on these new processors. Higher Order Basis Based Integral Equation Solver [HOBBIES] presents a road map for the analysis of complex material structures using the high-performance parallel simulation software known as HOBBIES. Focusing on the Method of Moments (MoM), the book features new parallel programming techniques and user-friendly code with superior capabilities for solving challenging EM radiation and scattering problems. It provides readers with complete guidance on how to extend the capability of MoM and achieve faster and more accurate EM analysis and utilize multicore CPUs on desktop computers. Complete with an academic version of the HOBBIES software, this book: <ul>
<li>Explains the unique features of the higher order basis functions in the solution of integral equations in a MoM context</li> <li>Shows how to generate a properly load balanced parallel computational procedure for MoM matrix filling and matrix equation solving in both in-core and out-of-core implementation</li> <li>Presents a professional graphical users interface (GUI) for generating the geometrical structure based on NURBS modeling</li> <li>Illustrates various automatic meshing procedures based on an a-priori defined error between the actual geometry and the meshed structure</li> <li>Outlines all the key features of the HOBBIES software, including multiple optimization procedures for EM synthesis</li> </ul>
The bottleneck of traditional MoM arises from the lack of memory in computers for solution of large problems. This is mitigated by using higher order basis functions and out-of-core solver in HOBBIES. HOBBIES has the capability to perform numerically accurate EM simulations using thousands of CPU cores in an HPC environment using a properly load balanced out-of-core solver. In this way, it provides a cost-effective choice for addressing modern engineering and scientific challenges that arise from the extremely complicated real-life applications.

Higher Order Basis Based Integral Equation Solver (HOBBIES)

Crafts, Hobbies & Home

Zhang, Yunong

Salazar-Palma, Magdalena

Zhao, Xunwang

Garcia-Donoro, Daniel

Zhao, Weixin

Ting, Sioweng

Crafts & Hobbies

wiley

New method for the characterization of electromagnetic wave dynamics Modern Characterization of Electromagnetic Systems introduces a new method of characterizing electromagnetic wave dynamics and measurements based on modern computational and digital signal processing techniques. &#8239;The techniques are described in terms of both principle and practice, so readers understand what they can achieve by utilizing them. Additionally, modern signal processing algorithms are introduced in order to enhance the resolution and extract information from electromagnetic systems, including where it is not currently possible. For example, the author addresses the generation of non-minimum phase or transient response when given amplitude-only data. <ul> <li>Presents modern computational concepts in electromagnetic system characterization</li> <li>Describes a solution to the generation of non-minimum phase from amplitude-only data</li> <li>Covers model-based parameter estimation and planar near-field to far-field transformation as well as spherical near-field to far-field transformation</li> </ul> Modern Characterization of Electromagnetic Systems is ideal for graduate students, researchers, and professionals working in the area of antenna measurement and design. It introduces and explains a new process related to their work efforts and studies.

Modern Characterization of Electromagnetic Systems and its Associated Metrology (IEEE Press)

Science & Math

Zhu, Ming Da

Chen, Heng

Nature & Ecology

Wiley-IEEE Press

An important resource that examines the physical aspects of wireless communications based on mathematical and physical evidence The Physics and Mathematics of Electromagnetic Wave Propagation in Cellular Wireless Communicationdescribes the electromagnetic principles for designing a cellular wireless system and includes the subtle electromagnetic principles that are often overlooked in designing such a system. This important text explores both the physics and mathematical concepts used in deploying antennas for transmission and reception of electromagnetic signals and examines how to select the proper methodology from a wide range of scenarios. In this much-needed guide, the authors―noted experts in the field―explore the principle of electromagnetics as developed through the Maxwellian principles and describe the properties of an antenna in the frequency domain. The text also includes a review of the characterization of propagation path loss in a cellular wireless environment and examines ultrawideband antennas and the mechanisms of broadband transmission of both power and information. This important resource: <ul>
<li>Includes a discussion of the shortcomings of a MIMO system from both theoretical and practical aspects</li> <li>Demonstrates how to deploy base station antennas with better efficiency</li> <li>Validates the principle and the theoretical analysis of electromagnetic propagation in cellular wireless communication</li> <li>Contains results of experiments that are solidly grounded in mathematics and physics</li> </ul>
Written for engineers, researchers, and educators who are or plan to work in the field, The Physics and Mathematics of Electromagnetic Wave Propagation in Cellular Wireless Communicationoffers an essential resource for understanding the principles underpinning wireless communications.

The Physics and Mathematics of Electromagnetic Wave Propagation in Cellular Wireless Communication (IEEE Press)

Abdallah, Mohammad Najib

Real Time Approximation of a Function by a Sum of Complex Exponentials: Utilizing the Matrix Pencil Approach

Hu, F. D.

Hua, Y. B.

Wicks, M.

Mathematics

World Scientific Pub Co Inc

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