Three-Dimensional Micromotion Parameter Extraction of Smooth-Symmetrical Cone in Monostatic Radar

IF 5.7 2区计算机科学 Q1 ENGINEERING, AEROSPACE IEEE Transactions on Aerospace and Electronic Systems Pub Date : 2024-12-24 DOI:10.1109/TAES.2024.3521930

Hang Yuan;Ying Luo;Yi-Jun Chen;Jia Liang;Le Kang

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Abstract

The 3-D micromotion parameters reflect the target's motion characteristics and geometric structure, providing crucial information for identification. The extraction of micromotion parameters for the precession smooth-symmetrical cone is one of the research studies that focus on antimissiles. However, the extraction of 3-D micromotion parameters for the precession smooth-symmetrical cone requires the use of the multiview observation capability of the radar network or interferometric antenna array in current research. To solve this problem, an extraction method of 3-D micromotion parameters for the precession smooth-symmetrical cone based on the monostatic radar is proposed. First, the motion model of the cone is given. Subsequently, micro-Doppler properties are studied, and the relationship equation between micromotion parameters is derived. 3-D micromotion parameters (coning frequency, precession angle, cone height, bottom radius, and semicone angle) are extracted based on the relationship equation. The effectiveness of the algorithm is validated through simulated and measured data.

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单站雷达光滑对称锥体三维微运动参数提取

三维微运动参数反映了目标的运动特征和几何结构，为目标识别提供了重要信息。进动光滑对称锥体的微运动参数提取是反导领域的研究热点之一。然而，在目前的研究中，对进动光滑对称锥体的三维微运动参数提取需要利用雷达网络或干涉天线阵列的多视点观测能力。针对这一问题，提出了一种基于单站雷达的进动光滑对称锥体三维微运动参数提取方法。首先，给出了锥体的运动模型。随后，研究了微多普勒特性，推导了微运动参数之间的关系方程。基于关系方程提取三维微运动参数（锥度频率、进动角、锥体高度、底半径和半角）。通过仿真和实测数据验证了该算法的有效性。

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来源期刊

IEEE Transactions on Aerospace and Electronic Systems 工程技术-电信学

CiteScore

7.80

自引率

13.60%

发文量

433

审稿时长

8.7 months

期刊介绍： IEEE Transactions on Aerospace and Electronic Systems focuses on the organization, design, development, integration, and operation of complex systems for space, air, ocean, or ground environment. These systems include, but are not limited to, navigation, avionics, spacecraft, aerospace power, radar, sonar, telemetry, defense, transportation, automated testing, and command and control.