基于极化-相位调制的雷达通信一体化波束方向图设计

doi:10.12305/j.issn.1001-506X.2024.08.09

摘要/Abstract

摘要：

为进一步实现雷达与通信系统的高效协同, 提出一种基于极化-相位联合调制的雷达通信一体化发射波束方向图设计方法。首先, 通过正交子空间投影方法将权矢量投影至指定流形空间的零空间; 然后, 针对通信与探测权矢量的不同指标设计目标函数并通过优化算法求解, 以实现通信信息的嵌入与极化控制; 最后, 添加人工噪声干扰以降低非通信方向对通信信息的截获概率。仿真结果表明所提方法可以实现极化调控和旁瓣约束, 通信信号相比于已有方法具有更高的传输速率和抗截获概率。

关键词: 雷达通信一体化, 波束方向图, 极化-相位调制, 正交子空间投影

Abstract:

In order to further realize the efficient cooperation between radar and communication system, a transmitting beam directional pattern design method for dual-functional radar-communication system based on polarization-phase modulation is proposed. Firstly, the weight vector is projected into the zero space of the specified manifold space by the orthogonal subspace projection method. Then, the objective function is designed for the different indicators of the communication and detection weight vectors and solved by the optimization algorithm to realize the embedding and polarization control of the communication information. Finally, artificial noise interference is added to reduce the interception probability of the communication information in non-communication direction. Simulation results show that the proposed method can realize polarization control and sidelobe constraint, and the communication signal has higher transmission rate and anti-interception probability compared with the existing methods.

Key words: dual-functional radar-communication, beam directional pattern, polarization-phase modulation, orthogonal subspace projection

中图分类号:

TN95

吕旭宁, 徐友根. 基于极化-相位调制的雷达通信一体化波束方向图设计[J]. 系统工程与电子技术, 2024, 46(8): 2615-2622.

Xuning LYU, Yougen XU. Beam directional pattern design for dual-functional radar-communication based on polarization-phase modulation[J]. Systems Engineering and Electronics, 2024, 46(8): 2615-2622.

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