一种基于调制序列相关特性的干扰方法分析

doi:10.12305/j.issn.1001-506X.2025.06.01

摘要/Abstract

摘要：

相位编码脉冲压缩雷达通过采用抗干扰波形和数据后处理技术, 可以有效识别和抑制间歇采样转发干扰。为了避免间歇采样转发干扰的不连续性和周期性, 进一步提升对雷达的干扰效果, 在介绍了相位编码雷达脉冲压缩原理及回波处理技术, 分析同一连接方式移存器不同初始状态、不同连接方式移存器不同初始状态生成序列之间相关性的基础上, 提出一种基于调制序列相关特性的干扰方法。通过从序列表中随机选取干扰序列, 采取直接调制发送, 可产生随机假目标欺骗干扰或噪声干扰效果。通过仿真实验验证了所分析的结论, 结果表明所提干扰方法具有较好的干扰效果。

关键词: 脉冲压缩雷达, 相位编码, 相关干扰, m序列, 相关性分析

Abstract:

Phase-coded pulse compression radar can effectively identify and suppress intermitted sampling repeater jamming by using anti-jamming waveform and data post-processing technology. In order to avoid the discontinuity and periodicity of intermitted sampling repeater jamming and improve the jamming effect for radar, the phase-coded radar pulse compression principle and echo processing technology is introduced, and the correlation between the sequences of the same connection mode register in different initial states and the different connection mode register in different initial states is analyzed. On the basis of the above mentioned, a jamming method based on the correlation characteristics of modulation sequence is proposed. By randomly selecting jamming sequences from the sequence list and adopting the direct modulation emission, the random false target deception jamming or noise jamming effect can be generated. Simulation experiments verify the conclusions of the analysis, and the results show that the proposed jamming method has a good jamming effect.

Key words: pulse compression radar, phase-coded, correlated jamming, m sequence, correlation analysis

中图分类号:

TN972

张鹏程, 彭勃, 房明星. 一种基于调制序列相关特性的干扰方法分析[J]. 系统工程与电子技术, 2025, 47(6): 1729-1738.

Pengcheng ZHANG, Bo PENG, Mingxing FANG. An analysis of jamming method based on the correlation characteristics of modulation sequences[J]. Systems Engineering and Electronics, 2025, 47(6): 1729-1738.

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位数	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
m1	0	0	0	1	1	1	1	0	1	0	1	1	0	0	1
m2	0	0	1	0	0	0	1	1	1	1	0	1	0	1	1
m3	0	0	1	1	1	1	0	1	0	1	1	0	0	1	0
m4	0	1	0	0	0	1	1	1	1	0	1	0	1	1	0
m5	0	1	0	1	1	0	0	1	0	0	0	1	1	1	1
m6	0	1	1	0	0	1	0	0	0	1	1	1	1	0	1
m7	0	1	1	1	1	0	1	0	1	1	0	0	1	0	0
m8	1	0	0	0	1	1	1	1	0	1	0	1	1	0	0
m9	1	0	0	1	0	0	0	1	1	1	1	0	1	0	1
m10	1	0	1	0	1	1	0	0	1	0	0	0	1	1	1
m11	1	0	1	1	0	0	1	0	0	0	1	1	1	1	0
m12	1	1	0	0	1	0	0	0	1	1	1	1	0	1	0
m13	1	1	0	1	0	1	1	0	0	1	0	0	0	1	1
m14	1	1	1	0	1	0	1	1	0	0	1	0	0	0	1
m15	1	1	1	1	0	1	0	1	1	0	0	1	0	0	0

位数	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
n1	0	0	0	1	0	0	1	1	0	1	0	1	1	1	1
n2	0	0	1	0	0	1	1	0	1	0	1	1	1	1	0
n3	0	0	1	1	0	1	0	1	1	1	1	0	0	0	1
n4	0	1	0	0	1	1	0	1	0	1	1	1	1	0	0
n5	0	1	0	1	1	1	1	0	0	0	1	0	0	1	1
n6	0	1	1	0	1	0	1	1	1	1	0	0	0	1	0
n7	0	1	1	1	1	0	0	0	1	0	0	1	1	0	1
n8	1	0	0	0	1	0	0	1	1	0	1	0	1	1	1
n9	1	0	0	1	1	0	1	0	1	1	1	1	0	0	0
n10	1	0	1	0	1	1	1	1	0	0	0	1	0	0	1
n11	1	0	1	1	1	1	0	0	0	1	0	0	1	1	0
n12	1	1	0	0	0	1	0	0	1	1	0	1	0	1	1
n13	1	1	0	1	0	1	1	1	1	0	0	0	1	0	0
n14	1	1	1	0	0	0	1	0	0	1	1	0	1	0	1
n15	1	1	1	1	0	0	0	1	0	0	1	1	0	1	0

R_max	n1	n2	n3	n4	n5	n6	n7	n8	n9	n10	n11	n12	n13	n14	n15
m1	7	7	8	8	7	7	7	6	7	6	6	6	7	5	6
m2	7	7	8	6	6	8	6	6	7	7	6	5	7	5	6
m3	8	8	7	9	6	6	8	7	8	5	7	6	6	6	7
m4	6	7	8	6	7	9	7	5	7	8	6	6	8	7	6
m5	7	6	5	7	7	6	7	6	6	6	7	6	5	7	6
m6	7	8	6	7	8	6	8	7	6	7	9	8	6	7	7
m7	7	7	7	8	7	7	7	6	7	5	8	5	7	5	6
m8	6	7	9	7	6	8	6	5	8	7	6	5	8	6	5
m9	6	7	7	5	7	8	7	7	6	8	7	6	7	7	6
m10	6	5	6	6	8	7	8	7	5	7	7	7	6	8	7
m11	6	7	6	8	7	7	8	6	7	7	8	7	6	8	7
m12	6	7	6	6	7	7	7	6	7	7	8	7	6	8	7
m13	6	5	5	6	7	6	7	6	6	6	8	7	5	7	5
m14	7	6	5	7	6	5	6	6	6	7	7	6	6	7	6
m15	8	7	6	8	6	6	6	7	7	6	7	6	7	6	7

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