从单个接收器重建掠过角粗糙表面

IF 1.4 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Yuxuan Chen, Mark Spivack, Orsola Rath Spivack
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引用次数: 0

摘要

本文开发了一种从散射波场恢复一维粗糙表面轮廓的方法,当表面相对于源和接收器移动时,使用单个接收器和重复测量。该方法扩展了之前介绍的利用低掠角的行进方法,并解决了需要多个同步接收器的关键问题。该算法利用抛物线波积分方程,在表面移动时逐步恢复接收点下方的表面高度。重建表面的数值示例表明,该方法在迪里夏特边界条件和诺伊曼边界条件下,以及在不同的粗糙度特征和测量噪声方面都很稳健。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Reconstruction of rough surfaces from a single receiver at grazing angle

Reconstruction of rough surfaces from a single receiver at grazing angle

This article develops a method for recovering a one-dimensional rough surface profile from scattered wave field, using a single receiver and repeated measurements when the surface is moving with respect to source and receiver. This extends a previously introduced marching method utilizing low grazing angles, and addresses the key issue of the requirement for many simultaneous receivers. The algorithm recovers the surface height below the receiver point step-by-step as the surface is moved, using the parabolic wave integral equations. Numerical examples of reconstructed surfaces demonstrate that the method is robust in both Dirichlet and Neumann boundary conditions, and with respect to different roughness characteristics and measurement noise.

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来源期刊
Iet Science Measurement & Technology
Iet Science Measurement & Technology 工程技术-工程:电子与电气
CiteScore
4.30
自引率
7.10%
发文量
41
审稿时长
7.5 months
期刊介绍: IET Science, Measurement & Technology publishes papers in science, engineering and technology underpinning electronic and electrical engineering, nanotechnology and medical instrumentation.The emphasis of the journal is on theory, simulation methodologies and measurement techniques. The major themes of the journal are: - electromagnetism including electromagnetic theory, computational electromagnetics and EMC - properties and applications of dielectric, magnetic, magneto-optic, piezoelectric materials down to the nanometre scale - measurement and instrumentation including sensors, actuators, medical instrumentation, fundamentals of measurement including measurement standards, uncertainty, dissemination and calibration Applications are welcome for illustrative purposes but the novelty and originality should focus on the proposed new methods.
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