Range-Angle-Dependent Beamforming by Frequency Diverse Array Antenna

被引：21

作者：

Wang, Wen-Qin ^{[1
,2
]}

Shao, Huaizong ^{[1
]}

Cai, Jingye ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Commun & Informat Engn, Chengdu 611731, Peoples R China

[2] Chinese Acad Sci, Inst Remote Sensing Applicat, State Lab Remote Sensing Sci, Beijing 100101, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2012年 / 2012卷

基金：

中国国家自然科学基金;

关键词：

Directional patterns (antenna) - Antenna phased arrays - Signal interference - Signal to noise ratio - Beam forming networks - Radar antennas;

D O I：

10.1155/2012/760489

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：

This paper proposes a range-angle-dependent beamforming for frequency diverse array (FDA) antenna systems. Unlike conventional phased-array antenna, the FDA antenna employs a small amount of frequency increment compared to the carrier frequency across the array elements. The use of frequency increment generates an antenna pattern that is a function of range, time and angle. The range-angle-dependent beamforming allows the FDA antenna to transmit energy over a desired range or angle. This provides a potential to suppress range-dependent clutter and interference which is not accessible for conventional phased-array systems. In this paper, a FDA radar signal model is formed and the range-angle-dependent beamforming performance is examined by analyzing the transmit/receive beampatterns and the output signal-to-interference-plus-noise ratio (SINR) performance. Extensive simulation examples and results are provided.

引用

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