A New Approach of Rotated Staggered Grid FD Method With Unsplit Convolutional PML for GPR
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Release time:2019-11-22 Affiliation of Author(s):School of Geosciences and Info-Physics, Central South University, Changsha 410083, China Teaching and Research Group:Applied Geophysics Journal:IEEE J-STARS Place of Publication:UNITED STATES Funded by:41374118， 41574116，2014zzts048，2014G005-B，201423，2015CX008 Key Words:Frequency-dependent reflection error (FDRE), ground penetrating radar (GPR), ... Abstract:We introduce a novel implementation of a rotated staggered grid (RSG) finite difference (FD) method based on the unsplit convolutional perfectly matched layer (UCPML). The method is carried out using rotated staggered FD operators and a general complex frequency shifted stretching factor. It can offer a number of advantages over the RSG with split convolutional perfectly matched layer (SCPML), such as improving computational efficiency, overcoming the numerical dispersions resulting from the high-frequency propagation and strong contrasts in material, and specifically absorbing ... Co-author:冯德山, 尹小波, 戴前伟, 张彬 Indexed by:Applied Research Document Code:DOI：10.1109/JSTARS.2015.2503289 Discipline:地质资源与地质工程 Document Type:J Volume:9 Issue:1 Page Number:52-59 ISSN No.:1939-1404 Translation or Not:no Date of Publication:2016-01-28 -
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