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分数阶Fourier变换和近区场的计算
Alternative TitleFractional Four ier transform and the computation of near field
董晓龙; 吴季; 姜景山; 北京8701信箱
Department国家863计划微波遥感技术实验室
Source Publication电波科学学报
2001
Volume16Issue:1Pages:18-21
ISSN1005-0388
Language中文
Keyword分数阶fourier变换 孔径辐射 近场 电磁辐射
Abstract在一维分数阶Fourier变换(FRFT,Fractional Fourier Transform)的基础上,给出了二维FRFT的积分表示.通过对口径电流分布辐射场的分析,得到了口径辐射场与口径电流分布二维FRFT的关系.对于两种极限情况的讨论,表明二维FRFT可以一致地适用于Fresnel和Fraunhofer区辐射场的表示.
Other AbstractThe integral rep resentation of two dimensional FRFT is p roposed.On the base of the definition of one-dimensional fractional Fourier transform (FRFT ),A fter analyzing the radiated field of an aperture current distribution,the relationship between th is field and the 2D-FRFT of the current distribution is p resented.Discussions on two limitation cases show that the 2D-FRFT can p rovide a uniform ly effective tool for the computation of aperture radiation both in Fresnel and in Fraunhofer regions
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.nssc.ac.cn/handle/122/1892
Collection微波遥感部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
董晓龙,吴季,姜景山,等. 分数阶Fourier变换和近区场的计算[J]. 电波科学学报,2001,16(1):18-21.
APA 董晓龙,吴季,姜景山,&北京8701信箱.(2001).分数阶Fourier变换和近区场的计算.电波科学学报,16(1),18-21.
MLA 董晓龙,et al."分数阶Fourier变换和近区场的计算".电波科学学报 16.1(2001):18-21.
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