存在干扰时探测扩展目标的网络化雷达波形设计

IF 2 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Physical Communication Pub Date : 2024-11-26 DOI:10.1016/j.phycom.2024.102539

Weijun Ding , Weiwei Zhang , Min Zhang , Qing Wang , Guangle Shao , Jianjiang Zhou

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引用次数: 0

摘要

本研究通过发展网络化雷达系统的波形设计策略来解决欺骗和抑制干扰问题。为此，假设已知扩展目标雷达截面（RCS）、信号相关杂波、假目标频率响应和抑制干扰频率分布，推导出两种干扰存在时扩展目标的信噪比（SINR）和互信息（MI）表达式。考虑到具有发射功率约束的网络化雷达的实际应用，分别建立了两种最优波形设计模型，以最大限度地提高受污染的信噪比和信噪比。然后利用拉格朗日乘法求出最优波形设计模型。最后，仿真结果验证了在两种干扰存在的情况下，与其他信号相比，所提出的波形设计能有效提高信噪比和信噪比。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Networked radar waveform design for detecting extended target in the presence of jamming

This study addresses the deception and suppression jamming by developing waveform design strategies for the networked radar system. To this end, we assume that the extended target radar cross section (RCS), signal-dependent clutter, false target frequency response, and suppression jamming frequency distribution are known, and then derive the signal-to-jamming-plus-noise ratio (SINR) and mutual information (MI) expressions in regard to extend target in the presence of the two kinds of jamming. Considering the practical application of networked radar with the constraint of transmission power, two optimal waveform design models are formulated to maximize the contaminated SINR and MI respectively. Subsequently, the Lagrange multiplier method is resorted to figure out the optimal waveform design model. Finally, the simulation results are demonstrated to verify the proposed waveform design can effectively improve SINR and MI compared with some other signals when the two kinds of jamming exist.

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来源期刊

Physical Communication ENGINEERING, ELECTRICAL & ELECTRONICTELECO-TELECOMMUNICATIONS

CiteScore

5.00

自引率

9.10%

发文量

212

审稿时长

55 days

期刊介绍： PHYCOM: Physical Communication is an international and archival journal providing complete coverage of all topics of interest to those involved in all aspects of physical layer communications. Theoretical research contributions presenting new techniques, concepts or analyses, applied contributions reporting on experiences and experiments, and tutorials are published. Topics of interest include but are not limited to: Physical layer issues of Wireless Local Area Networks, WiMAX, Wireless Mesh Networks, Sensor and Ad Hoc Networks, PCS Systems; Radio access protocols and algorithms for the physical layer; Spread Spectrum Communications; Channel Modeling; Detection and Estimation; Modulation and Coding; Multiplexing and Carrier Techniques; Broadband Wireless Communications; Wireless Personal Communications; Multi-user Detection; Signal Separation and Interference rejection: Multimedia Communications over Wireless; DSP Applications to Wireless Systems; Experimental and Prototype Results; Multiple Access Techniques; Space-time Processing; Synchronization Techniques; Error Control Techniques; Cryptography; Software Radios; Tracking; Resource Allocation and Inference Management; Multi-rate and Multi-carrier Communications; Cross layer Design and Optimization; Propagation and Channel Characterization; OFDM Systems; MIMO Systems; Ultra-Wideband Communications; Cognitive Radio System Architectures; Platforms and Hardware Implementations for the Support of Cognitive, Radio Systems; Cognitive Radio Resource Management and Dynamic Spectrum Sharing.