教師資料查詢 | 類別: 期刊論文 | 教師: 丘建青 Chiu Chien-ching (瀏覽個人網頁)

標題:Cubic-Spline expansion with GA for a Partially Immersed Conducting Cylinder
學年94
學期1
出版(發表)日期2005/12/01
作品名稱Cubic-Spline expansion with GA for a Partially Immersed Conducting Cylinder
作品名稱(其他語言)
著者Chien, Wei; 丘建青; Chiu, Chien-ching
單位淡江大學電機工程學系
出版者Japan Science and Technology Agency
著錄名稱、卷期、頁數IEICE Transactions on Electronics E88-C(12), pp.2223-2228
摘要This paper presents a computational approach to the imaging of a partially immersed conducting cylinder. Both cubic-spline method and trigonometric series for shape description are used and compared. Based on the boundary condition and the recorded scattered field, a set of nonlinear integral equations is derived and the imaging problem is reformulated into an optimization problem. The genetic algorithm is employed to find out the global extreme solution of the object function. It is found that the shape described by Fourier series can be reconstructed by cubic-spline. In the opposite case, the shape described by cubic-spline and reconstructed by Fourier series expansion will fail. Even when the initial guess is far away from the exact one, the cubic-spline expansion and genetic algorithm can avoid the local extreme and converge to a global extreme solution. Numerical results are given to show that the shape description by using cubic-spline method is much better than that by the Fourier series. In addition, the effect of Gaussian noise on the reconstruction is investigated.
關鍵字cubic-spline;partially immersed;inverse problem;SSGA
語言英文
ISSN0916-8524
期刊性質國外
收錄於SCI;EI;
產學合作
通訊作者
審稿制度
國別日本
公開徵稿
出版型式,紙本
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