| 一种多普勒容忍的抗间歇采样转发干扰恒模互补波形和接收滤波器联合设计方法 |
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| 引用本文： | 王福来,庞晨,殷加鹏,李楠君,李永祯,王雪松.一种多普勒容忍的抗间歇采样转发干扰恒模互补波形和接收滤波器联合设计方法[J].雷达学报,2022,11(2):278-288. |
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| 作者姓名： | 王福来 庞晨 殷加鹏 李楠君 李永祯 王雪松 |
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| 作者单位： | 1.国防科技大学电子信息系统复杂电磁环境效应国家重点实验室 长沙 4100732.国防科技大学电子科学学院 长沙 410073 |
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| 基金项目： | 国家自然科学基金(61971429, 61921001) |
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| 摘 要： | 作为一种典型的相干干扰,间歇采样转发干扰利用欠采样原理,能够在雷达接收机产生多个高逼真假目标,使雷达对真实目标的检测失效.针对这一问题,该文提出了一种基于多普勒容忍的多脉冲互补序列和接收滤波器联合设计的抗间歇采样转发干扰方法.首先,考虑设计序列的多普勒容限,以最小化发射序列和接收滤波器模糊函数旁瓣能量以及干扰信号和接收...
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| 关 键 词： | 间歇采样转发干扰 非匹配滤波 互补序列 恒模约束 多普勒容忍 |
| 收稿时间： | 2022-01-19 |
Joint Design of Doppler-tolerant Complementary Sequences and Receiving Filters Against Interrupted Sampling Repeater Jamming |
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| WANG Fulai,PANG Chen,YIN Jiapeng,LI Nanjun,LI Yongzhen,WANG Xuesong.Joint Design of Doppler-tolerant Complementary Sequences and Receiving Filters Against Interrupted Sampling Repeater Jamming[J].Journal of Radars,2022,11(2):278-288. |
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| Authors: | WANG Fulai PANG Chen YIN Jiapeng LI Nanjun LI Yongzhen WANG Xuesong |
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| Affiliation: | 1.State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System, National University of Defense Technology, Changsha 410073, China2.College of Electronic Science, National University of Defense Technology, Changsha 410073, China |
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| Abstract: | As a typical coherent jamming method, Interrupted Sampling Repeater Jamming (ISRJ) can generate multiple false targets with high fidelity at the radar receiver using under-sampling, which causes real targets detection to become invalid. To solve this problem, an anti-ISRJ method based on the joint design of Doppler-tolerant complementary sequences and receiving filters is proposed in this paper. First, by considering the Doppler tolerance of sequences, the sum of the energy of the ambiguity function of transmitted sequences and receiving filters and energy of the ambiguity function of ISRJ signals and receiving filters is chosen as the objective function. Meanwhile, the constant modulus constraint on sequences and signal-to-noise ratio constraint are considered. Then, an alternately iterative algorithm based on the Majorization-Minimization (MM) method is proposed to solve the non-convex optimization problem. Finally, numerical results are presented as a way to compare with conventional methods, and the sequences and receiving filters designed by the proposed method show better pulse compression correlation and anti-ISRJ performance. These procedures can substantially improve the radar detection ability to move targets in the jamming scene. |
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