多频连续波雷达与角度-距离联合估计方法

doi:10.3969/j.issn.0372-2112.2020.02.021

电子学报 ›› 2020, Vol. 48 ›› Issue (2): 375-383.DOI: 10.3969/j.issn.0372-2112.2020.02.021

所属专题：定位技术新进展

多频连续波雷达与角度-距离联合估计方法

陈宝欣¹, 关键², 董云龙², 黄勇³, 陈小龙³

1. 海军航空大学, 山东烟台 264001;
2. 海军航空大学信息融合研究所, 山东烟台 264001;
3. 海军航空大学209教研室, 山东烟台 264001

收稿日期:2018-09-05 修回日期:2019-05-17 出版日期:2020-02-25
- 作者简介:
- 陈宝欣 男,1990年生,山东栖霞人.海军航空大学,博士生,主要研究方向为MIMO雷达信号处理.E-mail:593691780@qq.com;关键男,1968年生,辽宁锦州人,教授,博士生导师,主要研究方向为雷达目标检测、跟踪与识别,海上目标信息感知与融合.获全国优秀博士学位论文奖,新世纪百千万人才工程国家级人选.E-mail:guanjian96@tsinghua.org.cn;董云龙 男,1974年生,天津宝坻人,副研究员,主要研究方向为雷达组网、多传感器信息融合.E-mail:china_dyl@sina.com;黄勇男,1979年生,湖南汨罗人.副教授,主要研究方向为雷达目标检测与跟踪、阵列信号处理.E-mail:huangyong_2003@163.com;陈小龙 男,1985年生,山东烟台人.副教授,主要研究方向为海杂波中微弱目标检测.E-mail:cxlcxl1209@163.com
- 基金资助:
- 国家自然科学基金 (No.61871391，No.61871392，No.U1633122，No.61531020）; 中国博士后科学基金 (No.2017M620862）; 中国青年人才托举工程资助 (No.YESS20160115）

Multiple-Frequency CW Radar and Joint Angle-Range Estimation Method

CHEN Bao-xin¹, GUAN Jian², DONG Yun-long², HUANG Yong³, CHEN Xiao-long³

1. Naval Aviation University, Yantai, Shandong 264001, China;
2. Institute of Information Fusion, Naval Aviation University, Yantai, Shandong 264001, China;
3. Section 209, Naval Aviation University, Yantai, Shandong 264001, China

Received:2018-09-05 Revised:2019-05-17 Online:2020-02-25 Published:2020-02-25
- Supported by:
- National Natural Science Foundation of China (No.61871391, No.61871392, No.U1633122, No.61531020); China Postdoctoral Science Foundation (No.2017M620862); Project of Young Talents Promotion of China Association for Science and Technology (No.YESS20160115)

摘要/Abstract

摘要： 频控阵（frequency diverse array）雷达存在角度和距离定位模糊的问题，基于频控阵与早期的多频连续波（multi-frequency continuous wave）雷达相同的测距原理，提出了改进的多频连续波雷达模型，通过采用相控阵接收的方式，克服了传统频控阵角度和距离定位模糊的问题.根据收发阵元数的不同，推导了四种配置下的信号模型，分析了多频连续波雷达相比传统频控阵可解耦角度与距离定位模糊的原因.新的多频连续波雷达实现定位的本质为三维多频估计问题，为此提出了一种基于迭代插值傅里叶系数（iterative interpolation Fourier coefficients））的角度-距离联合估计方法，理论分析了算法的性能.仿真结果验证了所提方案与算法的有效性.

关键词: 多频连续波雷达, 频控阵, 频率估计, 多输入多输出雷达, 角度估计, 距离估计

Abstract: Frequency diverse array radar has the problem of ambiguity in angle and range localization. Based on the same ranging principle as early multi-frequency continuous wave radar, a model for the multi-frequency continuous wave (MFCW) radar is proposed, which overcomes the ambiguity of the angle-range beampattern of the traditional frequency diverse array (FDA).The signal models of the MFCW radar under four operating modes are deduced according to the number of transmitting and receiving elements, and the reason for the decoupled angle-range localization is analyzed compared with the traditional FDA. A joint angle-range localization method based on iterative interpolation Fourier coefficients (IIFC) is proposed for the single-input multiple-output (SIMO) mode. The performance of the algorithm is analyzed theoretically. Simulation results show the effectiveness of the proposed scheme and the algorithm.

Key words: multi-frequency continuous wave, frequency diverse array, frequency estimation, multiple-input multiple-output radar, angle estimation, range estimation

中图分类号:

TN958.94

陈宝欣, 关键, 董云龙, 等. 多频连续波雷达与角度-距离联合估计方法[J]. 电子学报, 2020, 48(2): 375-383.

CHEN Bao-xin, GUAN Jian, DONG Yun-long, et al. Multiple-Frequency CW Radar and Joint Angle-Range Estimation Method[J]. Acta Electronica Sinica, 2020, 48(2): 375-383.

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多频连续波雷达与角度-距离联合估计方法

Multiple-Frequency CW Radar and Joint Angle-Range Estimation Method

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