한국해양대학교

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시간 영역에서의 효율적인 표적반향음 연산 기법

Title
시간 영역에서의 효율적인 표적반향음 연산 기법
Author(s)
김동현
Publication Year
2016
Publisher
한국해양대학교 대학원
URI
http://kmou.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002233218
http://repository.kmou.ac.kr/handle/2014.oak/9588
Abstract
In order to simulate the target echoes scattered from submerged underwater objects, Kirchhoff approximation is widely used for high frequency region. Since Kirchhoff integration is based on integrating the contributions from discretized boundary elements, the computation can be time-consuming especially for broadband pulses. In this thesis, a numerically efficient method for generating the scattered signal in time domain based on convolution is proposed and tested. It it shown that the computational time can be reduced by an order of 10~100 in typical cases.
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해양공학과 > Thesis
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