分層媒質(zhì)中的電磁場(chǎng)

內(nèi)容概要

"Electromagnetic Fields in Stratified Media" deals with an important branch of electromagnetic theory, which has many useful applications in subsurface communication, radar, and geophysical prospecting and diagnostics. The book introduces to the electromagnetic theory and wave propagation in complex media, while presenting detailed models for various media: 3, 4, N-layered media, boundary conditions, and anisotropic media. In particular, the complete solutions for a trapped surface wave and lateral wave in a three- or four-layered region, the complete solutions for low frequency wave propagation over a spherical surface coated with a dielectric layer, and the transient field of a horizontal dipole in the boundary layer of two different media are presented. The book is designed for the scientists and engineers engaged in antennas and propagation, EM theory and applications. 　　Dr. Kai Li is Professor at Zhejiang University.

書籍目錄

1 Historical and Technical Overview of Electromagnetic Fields in Stratified Media　1.1  Electromagnetic Wave Along Air-Earth Boundary　1.2  Surface Waves Along Surfaces of Stratified Media　1.3  Lateral Waves Along the Air-Earth Boundary　1.4  Trapped Surface Wave in the Presence of Three-Layered Region　1.5  Electromagnetic Field Radiated by a Dipole over Spherical Earth  　References2   Electromagnetic Field of a Vertical Electric Dipole in the Presence of a Three-Layered Region　2.1  Introduction　2.2  The Integrated Formulas for Electromagnetic Field in Air　2.3  Field of Vertical Dipole over Dielectric-Coated Perfect Conductor　2.4  Field of Vertical Dipole over Dielectric-Coated Imperfect Conductor　2.5  Radiation from Vertical Dipole in Three-Layered Region3 Electromagnetic Field of a Horizontal Electric Dipole in the Presence of a Three-Layered Region　3.1   lntroductlon　3.2  Electromagnetic Field of Horizontal Electric Dipole　3.3  Radiation of Horizontal Electric Dipole and Microstrip Antenna　3.4  Summary　References4 Electromagnetic Field of a Vertical Electric Dipole in the Presence of a Four-Layered Region　4.1  Introduction　4.2  Formulation of Problem　4.3  Evaluations of the Trapped Surface Wave and Lateral Wave　4.4  Computations and Conclusions　References5 Electromagnetic Field of a Horizontal Electric Dipole in the Presence of a Four-Layered Region　5.1  Integrated Formulas for the Electromagnetic Field　5.2  Evaluation for the Electric-Type Field　5.3  Evaluation for the Magnetic-Type Field　5.4  Final Formulas for the Six-Field Components　5.5  Computations and Conclusions　References6 Electromagnetic Field Radiated by a Dipole Source over a Dielectric-Coated Spherical Earth　6.1  Introduction　6.2  Electromagnetic Field due to Vertical Electric Dipole7 Electromagnetic Field of a Dipole Source over the Spherical Surface of Multi-Layered Earth8 Exact Transient Field of a Horizontal Electric Dipole the Boundary Between Two Dielectrics9 Approximate Transient Field of Horizontal Electric Dipole on the Boundary Between a Homogeneous Isotropic Medium and One-Dimensionally Anisotropic MediumIndex

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