Acoustic And Electromagnetic Scattering Analysis Using Discrete Sources

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Author: Adrian Doicu
Publisher: Academic Press
ISBN: 9780122197406
Size: 43.26 MB
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Acoustic And Electromagnetic Scattering Analysis Using Discrete Sources by Adrian Doicu


Original Title: Acoustic And Electromagnetic Scattering Analysis Using Discrete Sources

The use of discrete sources in scattering theory has generated significant interest in recent years. A variety of numerical methods using discrete sources now exist. These include the multiple multipole method, the method of auxiliary sources, and the Yasuura method or fictitious current method. In this book, the authors unify these formulations in the context of the so-called discrete sources method. The book includes: * Comprehensive presentation of the discrete sources method; * Original theory - an extension of the conventional null-field method using discrete sources; * Practical examples that demonstrate the efficiency and flexibility of elaborated methods (scattering by particles with high aspect ratio, rough particles, nonaxisymmetric particles, multiple scattering); * List of discrete sources programmes available via the Internet Acoustic and Electromagnetic Scattering Analysis using Discrete Sources will be a valuable reference tool for graduate students and researchers working on applied light-scattering problems in electrical engineering, astronomy, applied mathematics, optics, meteorology, biophysics and remote sensing.

Light Scattering By Systems Of Particles

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Author: Adrian Doicu
Publisher: Springer
ISBN: 3540336974
Size: 27.32 MB
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Light Scattering By Systems Of Particles by Adrian Doicu


Original Title: Light Scattering By Systems Of Particles

This book develops the theory of the null-field method (also called T-matrix method), covering almost all aspects and current applications. This book also incorporates FORTRAN programs and simulation results. Worked examples of the application of the FORTRAN programs show readers how to adapt or modify the programs for their specific application.

Electromagnetic Scattering By Particles And Particle Groups

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Author: Michael I. Mishchenko
Publisher: Cambridge University Press
ISBN: 0521519926
Size: 53.96 MB
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Electromagnetic Scattering By Particles And Particle Groups by Michael I. Mishchenko


Original Title: Electromagnetic Scattering By Particles And Particle Groups

A self-contained, accessible introduction to the basic concepts, formalism and recent advances in electromagnetic scattering, for researchers and graduate students.

Electromagnetic Wave Scattering On Nonspherical Particles

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Author: Tom Rother
Publisher: Springer
ISBN: 3642367453
Size: 15.98 MB
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Electromagnetic Wave Scattering On Nonspherical Particles by Tom Rother


Original Title: Electromagnetic Wave Scattering On Nonspherical Particles

This book gives a detailed overview of the theory of electromagnetic wave scattering on single, homogeneous, but nonspherical particles. Beside the systematically developed Green’s function formalism of the first edition this second and enlarged edition contains additional material regarding group theoretical considerations for nonspherical particles with boundary symmetries, an iterative T-matrix scheme for approximate solutions, and two additional but basic applications. Moreover, to demonstrate the advantages of the group theoretical approach and the iterative solution technique, the restriction to axisymmetric scatterers of the first edition was abandoned.

Light Scattering Reviews 4

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Author: Alexander Kokhanovsky
Publisher: Springer Science & Business Media
ISBN: 354074276X
Size: 33.28 MB
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Light Scattering Reviews 4 by Alexander Kokhanovsky


Original Title: Light Scattering Reviews 4

This fourth volume of Light Scattering Reviews is composed of three parts. The ?rstpartisconcernedwiththeoreticalandexperimentalstudiesofsinglelightsc- tering by small nonspherical particles. Light scattering by small particles such as, for instance, droplets in the terrestrial clouds is a well understood area of physical optics. On the other hand, exact theoretical calculations of light scattering p- terns for most of nonspherical and irregularly shaped particles can be performed only for the restricted values of the size parameter, which is proportional to the ratio of the characteristic size of the particle to the wavelength?. For the large nonspherical particles, approximations are used (e. g. , ray optics). The exact th- retical techniques such as the T-matrix method cannot be used for extremely large particles, such as those in ice clouds, because then the size parameter in the v- iblex=2?a/???,wherea is the characteristic size (radius for spheres), and the associated numerical codes become unstable and produce wrong answers. Yet another problem is due to the fact that particles in many turbid media (e. g. , dust clouds) cannot be characterized by a single shape. Often, refractive indices also vary. Because of problems with theoretical calculations, experimental (i. e. , la- ratory) investigations are important for the characterization and understanding of the optical properties of such types of particles. The ?rst paper in this volume, written by B. Gustafson, is aimed at the descr- tionofscaledanalogueexperimentsinelectromagneticscattering.

Encyclopedia Of Optical Engineering Pho Z Pages 2049 3050

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Author: Ronald G. Driggers
Publisher: CRC Press
ISBN: 9780824742522
Size: 21.13 MB
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Encyclopedia Of Optical Engineering Pho Z Pages 2049 3050 by Ronald G. Driggers


Original Title: Encyclopedia Of Optical Engineering Pho Z Pages 2049 3050

From Astronomy to X-ray optics, this encyclopedia contains more than 230 entries which examine technological advances and perspectives from distinguished professionals around the globe. It covers topics such as digital image enhancement, biological modelling, biomedical spectroscopy and ocean optics for coverage of applications in this field.

Selected Asymptotic Methods With Applications To Electromagnetics And Antennas

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Author: George Fikioris
Publisher: Morgan & Claypool Publishers
ISBN: 162705040X
Size: 25.54 MB
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Selected Asymptotic Methods With Applications To Electromagnetics And Antennas by George Fikioris


Original Title: Selected Asymptotic Methods With Applications To Electromagnetics And Antennas

This book describes and illustrates the application of several asymptotic methods that have proved useful in the authors' research in electromagnetics and antennas. We first define asymptotic approximations and expansions and explain these concepts in detail. We then develop certain prerequisites from complex analysis such as power series, multivalued functions (including the concepts of branch points and branch cuts), and the all-important gamma function. Of particular importance is the idea of analytic continuation (of functions of a single complex variable); our discussions here include some recent, direct applications to antennas and computational electromagnetics. Then, specific methods are discussed. These include integration by parts and the Riemann-Lebesgue lemma, the use of contour integration in conjunction with other methods, techniques related to Laplace's method and Watson's lemma, the asymptotic behavior of certain Fourier sine and cosine transforms, and the Poisson summation formula (including its version for finite sums). Often underutilized in the literature are asymptotic techniques based on the Mellin transform; our treatment of this subject complements the techniques presented in our recent Synthesis Lecture on the exact (not asymptotic) evaluation of integrals.

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