NUFFT-Based Near-Field Imaging Technique for Far-Field Radar Cross Section Calculation

被引：21
|
作者：
Li, Shiyong [1 ]
Zhu, Bocheng [1 ]
Sun, Houjun [2 ]
机构：
[1] Peking Univ, Inst Appl Elect, Beijing 100081, Peoples R China
[2] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2010年 / 9卷
关键词：
Near-field images; nonuniform fast Fourier transformation (NUFFT); radar cross section (RCS); FAST FOURIER-TRANSFORMS;
D O I：
10.1109/LAWP.2010.2051011
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Near-field images can be applied to determine the far-field radar cross section (RCS) of the target overcoming the need for long-range measurement setups. This letter presents a far-field RCS calculation technique based on the nonuniform fast Fourier transformation (NUFFT). The NUFFT is first incorporated in the near-field imaging procedure, and then is used for the subsequent RCS calculation. Comparisons of the NUFFT-based technique and the Cartesian tomography-based technique are demonstrated by means of numerical simulations as well as by measured data of objects in the outdoor range.
引用
收藏
页码：550 / 553
页数：4
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