Journal Article10.1109/15.78345
On the direct calculation of a transient plane wave reflected from a finitely conducting half space
P.R. Barnes,F.M. Tesche +1 more
135
TL;DR: In this article, an approach to the computation of the electromagnetic field reflected from a lossy half-space directly in the time domain is discussed, which requires first evaluating the impulse response of the halfspace and then convolving it with the specified incident field waveform.
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Abstract: An approach to the computation of the electromagnetic field reflected from a lossy half-space directly in the time domain is discussed. This approach requires first evaluating the impulse response of the half-space and then convolving it with the specified incident field waveform. To obtain the impulsive reflected field, either for vertical or horizontal polarization, approximations to the Fresnel reflection coefficients are made, thereby permitting an analytical expression in the time domain. Several different numerical examples using this technique are presented to illustrate the use of the method and the error contained in the solution. >
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Citations
A generalized time domain multipath channel and its application in ultra-wideband (UWB) wireless optimal receiver design-Part II: physics-based system analysis
TL;DR: A new generalized time-domain multipath channel based on the geometric theory of diffraction/uniform theory of diffusion (GTD/UTD) framework is incorporated into the system bit-error rate and signal-to-noise ratio by modifying the existing system model.
90
Multiple Time-Domain Diffraction for UWB Signals
A. Karousos,C. Tzaras +1 more
TL;DR: In this article, the time-domain solution of the two-dimensional multiple-diffraction case is investigated, and an algorithm to predict the TD diffracted field after an arbitrary number of objects is also presented.
50
Implementation of a surface impedance formalism at oblique incidence in FDTD method
TL;DR: In this article, an exact formulation of surface impedances, starting from Fresnel reflection coefficients for oblique incidence of the incident wave, is introduced into an FDTD algorithm where it is converted into a surface-impedance boundary condition (SIBC) for vertical or horizontal polarizations of locally plane waves.
44
UWB multipath channel model based on time-domain UTD technique
Richard Yao,Grace Xingxin Gao,Zhengqi Chen,Wenwu Zhu +3 more
- 01 Dec 2003
TL;DR: A deterministic UWB multipath channel model based on time-domain uniform geometrical theory of diffraction (TD-UTD) technique that can determine not only signal attenuation, but also waveform distortion in terms of pulse shape and pulse duration when the UWB signal propagates in multipath environments is developed.
39
An accurate and efficient analysis for transient plane waves obliquely incident on a conductive half space (TE case)
TL;DR: In this article, a method for the analytical evaluation of the inverse Laplace transform representations for transient transverse magnetic (TM) plane wave obliquely incident on a conductive half-space is developed.
33
References
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Electromagnetic Waves in Stratified Media
James R. Wait,A. L. Cullen,V. A. Fock,J. R. Wait,H. J. Hagger +4 more
- 01 Feb 1996
TL;DR: In this article, the authors provide the theoretical basis for a variety of applications of electromagnetic (radio) waves to communications, navigation, and remote sensing, and this book is based on fundamental research in electromagnetic wave propagation that James R. Wait performed in the Central Radio Propagation Laboratory (CRPL) of NBS from 1956 to 1962.
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Coupling to shielded cables
Edward F. Vance
- 01 Jan 1978
TL;DR: In this article, the authors examined the shield transfer impedance and transfer admittance characteristics of commonly used shields and provided a working reference for engineers and designers of signal transmission and power lines.
324
On the interaction of a transient electromagnetic plane wave and a lossy half‐space
TL;DR: In this paper, a causal transient plane wave incident at an arbitrary angle on a lossy half-space is considered and the classical frequency domain reflection coefficients are inverted to the time domain through a detailed analysis of the singularities in the complex frequency plane.
27