An Anti-Main Lobe Deceptive Jamming Method with Frequency Diverse Array

doi:10.3969/j.issn.1009-086x.2023.06.013

Modern Defense Technology ›› 2023, Vol. 51 ›› Issue (6): 105-111.DOI: 10.3969/j.issn.1009-086x.2023.06.013

• TARGET CHARACTERISTIC, DETECTION AND TRACKING TECHNOLOGY • Previous Articles

An Anti-Main Lobe Deceptive Jamming Method with Frequency Diverse Array

Jihong YAN¹^,²(), Shunxiang WANG², Yuhuan JU¹, Jinghuai XIAO¹, Juelin LUO¹, Xu FENG¹

^1.Yangtze Delta Region Institute (Quzhou), UESTC, Quzhou 324000, China
^2.School of Information and Communication Engineering, UESTC, Chengdu 611731, China

Received:2022-09-22 Revised:2023-02-06 Online:2023-12-28 Published:2023-12-29
Contact: Jihong YAN

一种频控阵抗主瓣欺骗干扰的方法

严济鸿¹^,²(), 王顺祥², 居宇欢¹, 肖景槐¹, 罗珏麟¹, 冯旭¹

^1.电子科技大学长三角研究院（衢州），浙江衢州 324000
^2.电子科技大学信息与通信工程学院，四川成都 611731

通讯作者: 严济鸿
作者简介:严济鸿(1975-)，男，湖北当阳人。高工，博士，研究方向为雷达、信号处理。
基金资助:
衢州市财政专项资助科研项目专项资金(2021D009)

Abstract

Abstract:

The anti-main lobe deceptive jamming method enables the radar to adopt the frequency diverse array （FDA） mode during signal transmitting and the phased array （PA） mode during signal receiving. In view of this， a jamming nulling method is studied in this paper. When the main lobe of the transmitting antenna pattern of the FDA is aligned with the position of the target to be identified， other targets are located at the nulls of the pattern. As a result， the problem of interference on radar can be solved when the target is located on the higher sidelobe of the array pattern in the case that the FDA is used for target identification. The computer simulation results prove that the jamming nulling method used in this paper is feasible and effective.

Key words: frequency diverse array, main lobe deceptive jamming, jamming nulling, anti-jamming, transmitting antenna pattern, target identification

摘要：

针对雷达发射信号时采用频控阵模式、接收信号时采用相控阵模式的抗主瓣欺骗干扰方法，研究了一种干扰置零方法，在频控阵发射方向图的主瓣对准需鉴别目标的位置时，使其他目标位于方向图的零陷处，解决了在使用频控阵进行目标鉴别时其他位置处目标若位于频控阵方向图较高旁瓣上时仍能对雷达形成干扰的问题。计算机仿真结果证明了所使用的干扰置零方法具有可行性和有效性。

关键词: 频控阵, 主瓣欺骗干扰, 干扰置零, 抗干扰, 发射方向图, 目标鉴别

CLC Number:

TN958.5

Jihong YAN, Shunxiang WANG, Yuhuan JU, Jinghuai XIAO, Juelin LUO, Xu FENG. An Anti-Main Lobe Deceptive Jamming Method with Frequency Diverse Array[J]. Modern Defense Technology, 2023, 51(6): 105-111.

严济鸿, 王顺祥, 居宇欢, 肖景槐, 罗珏麟, 冯旭. 一种频控阵抗主瓣欺骗干扰的方法[J]. 现代防御技术, 2023, 51(6): 105-111.

Figures/Tables 10

Fig. 1 FDA model

Fig. 2 Radar transmitting antenna pattern of FDA

Fig. 3 Radar transmitting antenna pattern of PA

Fig. 4 Radar transmitting and receiving antenna pattern of PA

Fig. 5 Radar transmitting and receiving antenna pattern without jamming nulling of FDA with the main lobe pointing at 40 km

Fig. 6 Radar transmitting and receiving antenna pattern with jamming nulling of FDA with the main lobe pointing at 40 km

Fig. 7 Radar transmitting and receiving antenna pattern without jamming nulling of FDA with the main lobe pointing at 70 km

Fig. 8 Radar transmitting and receiving antenna pattern with jamming nulling of FDA with the main lobe pointing at 70 km

Fig. 9 Radar transmitting and receiving antenna pattern without jamming nulling of FDA with the main lobe pointing at 100 km

Fig. 10 Radar transmitting and receiving antenna pattern with jamming nulling of FDA with the main lobe pointing at 100 km

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An Anti-Main Lobe Deceptive Jamming Method with Frequency Diverse Array

一种频控阵抗主瓣欺骗干扰的方法

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