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Electromagnetic Wave Scattering From Vegetation
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Book Synopsis Electromagnetic Wave Scattering from Vegetation by : Xiaoyan Huang
Download or read book Electromagnetic Wave Scattering from Vegetation written by Xiaoyan Huang and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation contains the theoretical study of microwave scattering from vegetated media and the development of microwave scattering models with applications to these media. A vegetation canopy may consist of deciduous or coniferous leaves, branches, and trunks with certain size and orientation distributions. The formulation of the scattering model for each element of the canopy is carried out and its scatter patterns versus its size and orientation for like and cross polarizations are computed and presented. In particular, an extension is made where vegetation with a compound-leaf pattern is considered. For this type of vegetation, several leaves that form a specific pattern will scatter coherently as a group as opposed to each leaf scattering independently. Hence, a basic scattering element is a compound leaf with a specific leaf-pattern. Based on the study of scattering patterns of different vegetation elements, the scattering models for different vegetation media are formulated. For a leafy vegetation, we model it as a scattering layer with a given type of leaf. For a forested area, we treat it as a two-layer medium: the layer on top is the crown layer consisted of leaves and branches and below it is the trunk layer. In order to verify the validity of the theoretical models for different types of vegetation canopy, extensive comparisons between models and measurements are carried out.
Book Synopsis Scattering of Electromagnetic Waves by : Leung Tsang
Download or read book Scattering of Electromagnetic Waves written by Leung Tsang and published by John Wiley & Sons. This book was released on 2004-04-07 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: A timely and authoritative guide to the state of the art of wave scattering Scattering of Electromagnetic Waves offers in three volumes a complete and up-to-date treatment of wave scattering by random discrete scatterers and rough surfaces. Written by leading scientists who have made important contributions to wave scattering over three decades, this new work explains the principles, methods, and applications of this rapidly expanding, interdisciplinary field. It covers both introductory and advanced material and provides students and researchers in remote sensing as well as imaging, optics, and electromagnetic theory with a one-stop reference to a wealth of current research results. Plus, Scattering of Electromagnetic Waves contains detailed discussions of both analytical and numerical methods, including cutting-edge techniques for the recovery of earth/land parametric information. The three volumes are entitled respectively Theories and Applications, Numerical Simulation, and Advanced Topics. In the second volume, Numerical Simulations, Leung Tsang (University of Washington) Jin Au Kong (MIT), Kung-Hau Ding (Air Force Research Lab), and Chi On Ao (MIT) cover: * Layered media simulations * Rough surface and volume scattering simulations * Dense media models and simulations * Electromagnetic scattering by discrete scatterers and a buried object * Scattering by vertical cylinders above a surface * Electromagnetic waves scattering by vegetation * Computational methods and programs used for performing various simulations
Book Synopsis Electromagnetic Scattering Through Trees and Vegetation at Microwave and Millimetre-wave Frequencies by : Jamil Bataineh
Download or read book Electromagnetic Scattering Through Trees and Vegetation at Microwave and Millimetre-wave Frequencies written by Jamil Bataineh and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Scattering from Rough Surfaces Covered with Short Branching Vegetation by : Tsen-Chieh Chiu
Download or read book Electromagnetic Scattering from Rough Surfaces Covered with Short Branching Vegetation written by Tsen-Chieh Chiu and published by . This book was released on 1998 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Scattering by : Yang Du
Download or read book Electromagnetic Scattering written by Yang Du and published by World Scientific Publishing Company. This book was released on 2017 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling of bistatic scattering from rough surfaces: an advanced integral equation model / Kun-Shan Chen -- Investigation on the composite scattering and doppler spectra of a moving ship at time-evolving sea surface / Min Zhang, Ye Zhao, and Jin-Xing Li -- Study on scattering problems about rough surfaces with FEM/BIM / Lixin Guo and Runwen Xu -- Volume integral equation solvers for electromagnetic scattering by penetrable objects / Mei Song Tong -- Numerical modeling of scattering by multiple bodies of revolution / Jun Hu, Yu-Ke Li, Xi Rui and Qinghuo Liu -- Analytical formulations of scattering by finite circular cylinder and thin dielectric circular disk / Il-Suek Koh -- VPM: an extended T-matrix method for the analysis of scattering from dielectric cylinders with finite length / Yang Du, Wenzhe Yan, Chao Yang and J.C. Shi -- Electromagnetic wave scattering in dense media: applications in the remote sensing of sea ice and vegetation / Jun Yi, Koay Yu Jen Lee, Hong Tat Ewe, and Hean Teik Chuah -- Target feature extraction with polarimetric radar / Junjun Yin and Jian Yang
Book Synopsis Backscattering of Electromagnetic Waves from a Layer of Vegetation by : Richard A. Hevenor
Download or read book Backscattering of Electromagnetic Waves from a Layer of Vegetation written by Richard A. Hevenor and published by . This book was released on 1980 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: A theoretical model for the backscattering of elelctromagnetic waves from a layer of vegetation is computed using a first order renormalization technique to determine volume scattering. The vegetation soil interface is assumed rough according to the tangent plane approximation and the scattering from this boundary is added incoherently to the volume scattering result. The mean wave in the vegetation is obtained using a bilocal approximation of the Dyson's equation. A free space dyadic Green's function is used along with a correlation function of the dielectric fluctuations which is exponential in form and which also possess different correlation lengths lx, ly, and lz in the x, y, and z, directions. Effective propagation constants are obtained for both horizontal and vertical polarizations. The scattered wave is solved for using a two-dimensional Fourier transform technique and the boundary conditions at either end of the vegetation layer are matched. The far field backscatter coefficients are computed for both horizontal and vertical polarizations. The mean and variance of the dielectric fluctuations are calculated with the aid of Peake's model for the dielectric constant of vegetation. The theory is matched to experimental data taken from a corn field. The resulting values for the correlation parameters are then used to monitor the growth pattern of the corn field over a period of time. Comparison between the theoretical and experimental results over this time period are shown. The theory is also matched to experimental data from spring and fall deciduous trees.
Book Synopsis Scattering of Electromagnetic Waves, Numerical Simulations by : Leung Tsang
Download or read book Scattering of Electromagnetic Waves, Numerical Simulations written by Leung Tsang and published by Wiley-Interscience. This book was released on 2001-06-01 with total page 705 pages. Available in PDF, EPUB and Kindle. Book excerpt: A timely and authoritative guide to the state of the art of wave scattering Scattering of Electromagnetic Waves offers in three volumes a complete and up-to-date treatment of wave scattering by random discrete scatterers and rough surfaces. Written by leading scientists who have made important contributions to wave scattering over three decades, this new work explains the principles, methods, and applications of this rapidly expanding, interdisciplinary field. It covers both introductory and advanced material and provides students and researchers in remote sensing as well as imaging, optics, and electromagnetic theory with a one-stop reference to a wealth of current research results. Plus, Scattering of Electromagnetic Waves contains detailed discussions of both analytical and numerical methods, including cutting-edge techniques for the recovery of earth/land parametric information. The three volumes are entitled respectively Theories and Applications, Numerical Simulation, and Advanced Topics. In the second volume, Numerical Simulations, Leung Tsang (University of Washington) Jin Au Kong (MIT), Kung-Hau Ding (Air Force Research Lab), and Chi On Ao (MIT) cover: Layered media simulations Rough surface and volume scattering simulations Dense media models and simulations Electromagnetic scattering by discrete scatterers and a buried object Scattering by vertical cylinders above a surface Electromagnetic waves scattering by vegetation Computational methods and programs used for performing various simulations
Book Synopsis Theory and Approach of Information Retrievals from Electromagnetic Scattering and Remote Sensing by : Ya-Qiu Jin
Download or read book Theory and Approach of Information Retrievals from Electromagnetic Scattering and Remote Sensing written by Ya-Qiu Jin and published by Springer Science & Business Media. This book was released on 2006-07-10 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in space-borne remote sensing have significantly changed the mankind viewpoint how to observe our own Earth planet. Great amount of remote sensing data and images presents new resources to quantitatively describe and monitor our Earth environment, atmosphere, oceanic and land surfaces. In remote sensing, electromagnetic (EM) scattering, emission and wave propagation, as interaction with the Earth environment, lay the physical basis for understanding and extracting geoscientific information. Study of electromagnetic waves with remote sensing application has become an active and interdisciplinary area. This book presents some new progress on the theoretical and numerical approaches for information retrieval of the remote sensing via EM scattering and emission. We begin in Chapter 1 with the vector radiative transfer (VRT) theory for inhomogeneous scatter media. The VRT takes account of multiple scattering, emission and propagation of random scatter media, and quantitatively leads to insights of elucidating and understanding EM wave-terrain surface interaction. Meanwhile, it is extensively applicable to carrying out data interpretation and validation, and to solving the inverse problem, e.g. iteratively, physically or statistically. In Chapter 1, iterative solutions of multiple scattering and emission from inhomogeneous dense scatter media, and inhomogeneous non-spherical scatter media are discussed. Three-dimensional VRT equation (3D-VRT) for spatially inhomogeneous random scatter media for high resolution observation is also investigated. The polarimetric imagery of synthetic aperture radar (SAR) technology is one of most important advances in space-borne microwave remote sensing during recent decades.
Book Synopsis Measurement and Analysis of Electromagnetic Scattering from Vegetation and Fallen Snow at 215 GHz by : Ram Mohan Narayanan
Download or read book Measurement and Analysis of Electromagnetic Scattering from Vegetation and Fallen Snow at 215 GHz written by Ram Mohan Narayanan and published by . This book was released on 1988 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Scattering: A Remote Sensing Perspective by : Yang Du
Download or read book Electromagnetic Scattering: A Remote Sensing Perspective written by Yang Du and published by World Scientific. This book was released on 2017-03-08 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Remote sensing is a fast-growing field with many important applications as demonstrated in the numerous scientific missions of the Earth Observation System (EOS) worldwide. Given the inter-disciplinary nature of remote sensing technologies, the fulfillment of these scientific goals calls for, among other things, a fundamental understanding of the complex interaction between electromagnetic waves and the targets of interest.Using a systematic treatment, Electromagnetic Scattering: A Remote Sensing Perspective presents some of the recently advanced methods in electromagnetic scattering, as well as updates on the current progress on several important aspects of such an interaction. The book covers topics including scattering from random rough surfaces of both terranean and oceanic natures, scattering from typical man-made targets or important canonical constituents of natural scenes, such as a dielectric finite cylinder or dielectric thin disk, the characterization of a natural scene as a whole represented as a random medium, and the extraction of target features with a polarimetric radar.
Book Synopsis Electromagnetic Wave Scattering by : SUKHAREVSKY
Download or read book Electromagnetic Wave Scattering written by SUKHAREVSKY and published by . This book was released on 2023-01-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Scattering Modelling for Quantitative Remote Sensing by : Ya-Qiu Jin
Download or read book Electromagnetic Scattering Modelling for Quantitative Remote Sensing written by Ya-Qiu Jin and published by World Scientific. This book was released on 1993 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances during the last two decades in radio electronics, space science and computers have turned remote sensing technology into one of the most effective tools for global exploration and environmental monitoring. This book is a comprehensive account of the theoretical models and techniques required for a full interpretation of the rich images and data that remote sensing can provide. Starting with the basics of vector radiative transfer and scattering theory, the book goes on to develop quantitative methods involving most comprehensive models of discrete scatters, continuous random media and randomly rough surfaces. References are constantly made to real-world parameters and models involved in the probing of different types of geographical terrain. The book is intended as an introductory graduate text and a research reference. It assumes a reasonable foundation in electromagnetism and common techniques in mathematical physics.
Book Synopsis ELECTROMAGNETIC SCATTERING FROM VEGETATION CANOPIES. by : KAMAL SARABANDI
Download or read book ELECTROMAGNETIC SCATTERING FROM VEGETATION CANOPIES. written by KAMAL SARABANDI and published by . This book was released on 1989 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: orientation distribution functions of the particles.
Book Synopsis The Scattering of Electromagnetic Waves from Rough Surfaces by : Petr Beckmann
Download or read book The Scattering of Electromagnetic Waves from Rough Surfaces written by Petr Beckmann and published by Pergamon. This book was released on 1963 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Wave Scattering on Nonspherical Particles by : Tom Rother
Download or read book Electromagnetic Wave Scattering on Nonspherical Particles written by Tom Rother and published by . This book was released on 2013-10-31 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monte Carlo Simulation Model for Electromagnetic Scattering from Vegetation and Inversion of Vegetation Parameters by : Li-Fang Wang (Ph. D.)
Download or read book Monte Carlo Simulation Model for Electromagnetic Scattering from Vegetation and Inversion of Vegetation Parameters written by Li-Fang Wang (Ph. D.) and published by . This book was released on 2007 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis research, a coherent scattering model for microwave remote sensing of vegetation canopy is developed on the basis of Monte Carlo simulations. An accurate model of vegetation structure is essential for the calculation of scattering from vegetations, especially those with closely spaced elements in clusters. The Monte Carlo approach has an advantage over the conventional wave theory in dealing with complex vegetation structures because it is not necessary to find the probability density functions and the pair-distribution functions required in the analytic formulation and usually difficult to obtain for natural vegetation. To achieve a realistic description of the vegetation structure under consideration, two methods may be employed. One method requires the specification of the number of each type of component and the relative orientations of the components. In a structural model which incorporates this method, the detailed features can be preserved to the desired level of accuracy. This structural model is applied to two types of vegetation- --rice crops and sunflowers.
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel Publisher : ISBN 13 : Total Pages :568 pages Book Rating :4.:/5 (3 download)
Book Synopsis Aspects of Electromagnetic Wave Scattering in Radio Communications by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel
Download or read book Aspects of Electromagnetic Wave Scattering in Radio Communications written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel and published by . This book was released on 1978 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
