频率分集阵列稳态波束形成方法

doi:10.3969/j.issn.1001-2400.2016.05.008

西安电子科技大学学报

频率分集阵列稳态波束形成方法

徐艳红1;史小卫1;文珺2

(1. 西安电子科技大学天线与微波技术重点实验室，陕西西安 710071;
2. 广西大学计算机与电子信息学院，广西南宁 530004)

收稿日期:2015-09-01 出版日期:2016-10-20 发布日期:2016-12-02
通讯作者: 徐艳红
作者简介:徐艳红(1989-)，女，西安电子科技大学博士研究生，E-mail: yanhongxuxidian@163.com．
基金资助:
国家自然科学基金资助项目(61571356，61461007)

Static beamforming method of frequency diverse array

XU Yanhong1;SHI Xiaowei1;WEN Jun2

(1. Science and Technology on Antenna and Microwave Lab., Xidian Univ., Xi'an 710071, China;
2. School of Computer ＆ Electronic Information, Guangxi Univ., Nanning 530004, China)

Received:2015-09-01 Online:2016-10-20 Published:2016-12-02
Contact: XU Yanhong

摘要/Abstract

摘要：

针对频率分集阵列天线的发射方向图随时间变化的问题，提出了一种脉冲体制频率分集阵列天线稳态波束形成方法，并对其发射方向图特性进行分析．频率分集阵列天线在天线单元间采用微小的频率步进可形成距离角度二维依赖的发射方向图．相比传统相控阵天线，频率分集阵列天线无需移相器，因此其具有成本低、复杂度小以及适合阵列天线小型化设计等优点．同时，其天线发射方向图的距离角度二维依赖特性，大大提高了阵列天线波束扫描的灵活性．仿真实验验证了本文方法的有效性．

关键词: 频率分集阵列, 脉冲体制, 发射方向图, 波束扫描, 距离角度依赖

Abstract:

Focused on the time-varying property of the transmit beampattern of the frequency diverse array, a static transmit beamforming method is proposed to control the beampattern of the pulsed frequency diverse array, and the characteristics of its radiating pattern are studied. With a tiny progressive incremental frequency shift applied between the adjacent antenna elements, a range-angle dependent radiating pattern is achieved. Compared with the conventional phased array, the frequency diverse array is low in price and small in complexity without the use of phase shifters, which enables it to be suitable for the miniaturization design of an array antenna. Moreover, its range-angle dependent characteristic significantly enhances the flexibility of antenna beam scanning. Simulation experiments demonstrate the effectiveness of the proposed method.

Key words: frequency diverse array, pulse configuration, radiation pattern, beam scanning, range-angle dependent

徐艳红;史小卫;文珺. 频率分集阵列稳态波束形成方法[J]. 西安电子科技大学学报, 2016, 43(5): 41-45+166.

XU Yanhong;SHI Xiaowei;WEN Jun. Static beamforming method of frequency diverse array[J]. Journal of Xidian University, 2016, 43(5): 41-45+166.

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频率分集阵列稳态波束形成方法

Static beamforming method of frequency diverse array

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