三維介質(zhì)雷達罩電磁特性的復象散波分析
ANALYSIS OF ELECTROMAGNETIC CHARACTERISTICS OF 3-D MEDIA RADOME BY COMPLEX ASTIGMATIC WAVE THEORY
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摘要: 復象散波理論是一種分析三維介質(zhì)雷達罩電磁特性的有效方法。本文以橢球夾心狀的雷達罩為例,將其數(shù)值結(jié)果以三維立體方向圖的形式給出,并與實驗結(jié)果比較,說明這種方法可有效地簡化介質(zhì)雷達罩的分析、計算及優(yōu)化設(shè)計。
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關(guān)鍵詞:
- 雷達罩; 電磁特性; 復象散波
Abstract: The complex astigmatic wave theory is used to analyse the electromagnetic characteristics of 3-D radome. A number of calculations for the ellipsoidal sandwich radome are performed, and the stereoscopic graphics are constructed. Comparing with the experimental results, it is shown that this method can be used to simplify the optimization designs for some kinds of 3-D radomes. -
G. A. E. Crone, A. W. Rudge, T. N. Taylor, IEE Proc.,[2]Part F, 128(1981)7, 451-464.[3]P. C. Wilcockson, Radome Design and Their Properties: a Review, IEE Conf. Publ. 77, (1971), pp. 212-218.[4]Erwin Kreyszing, Differential Geometry, Toronto, University of Toronto Press, London, Oxford University, Press, (1959), 72-174.[5]Y. Z. Ruan, L. B. Felsen, J. Opt. Soc. Am. A., 3(1986)4, 566-579. -
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