基于波形调度的机动目标跟踪算法

doi:10.3969/j.issn.0372-2112.2019.03.007

电子学报 ›› 2019, Vol. 47 ›› Issue (3): 560-567.DOI: 10.3969/j.issn.0372-2112.2019.03.007

基于波形调度的机动目标跟踪算法

张浩为¹, 谢军伟¹, 葛佳昂¹, 宗彬锋², 路文龙³

1. 空军工程大学防空反导学院, 陕西西安 710051;
2. 94710部队, 江苏无锡 214000;
3. 95899部队, 北京 100085

收稿日期:2017-11-28 修回日期:2018-08-15 出版日期:2019-03-25
- 作者简介:
- 张浩为 男,1992年2月出生于河北唐山.2014年、2016年在空军工程大学防空反导学院分别获得学士学位和硕士学位.现为该学院在读博士研究生,研究方向为相控阵雷达资源管理.E-mail:zhw_xhzf@163.com;谢军伟 男,1970年出生,河南禹州人.1993年、1996年和2009年在空军工程大学防空反导学院分别获得学士学位、硕士学位和博士学位.现为该学院教研室主任,博士生导师.主要从事新体制雷达,干扰与抗干扰方面的研究.E-mail:xjw_xjw_123@163.com
- 基金资助:
- 青年科学基金项目 (No.61503408）

Maneuvering Target Tracking Based on Waveform Scheduling

ZHANG Hao-wei¹, XIE Jun-wei¹, GE Jia-ang¹, ZONG Bin-feng², LU Wen-long³

1. Air and Missile Defense College Air Force Engineering University, Xi'an, Shaanxi 710051, China;
2. Troop 94710, PLA Wuxi, Jiangsu 214000, China;
3. Troop 95899, PLA, Beijing 100085, China

Received:2017-11-28 Revised:2018-08-15 Online:2019-03-25 Published:2019-03-25
- Supported by:
- Youth Fund of National Natural Science Foundation of China (No.61503408)

摘要/Abstract

摘要： 针对机动目标的跟踪问题，提出一种结合自适应匀速（Constant Acceleration，CA）模型和波形调度的平方根容积卡尔曼滤波（Square-Root Cubature Kalman Filter，SCKF）算法.在CA模型的基础上，通过构建Jerk分量与速度、加速度的近似关系，使得状态过程噪声与滤波器输出的状态协方差矩阵相联系，以实现模型的自适应调整.另外，利用分数阶傅里叶变换（Fractional Fourier Transform，FrFT）旋转发射波形的模糊函数，使得量测误差椭圆与滤波算法中的状态预测误差椭圆正交，得到最优的发射波形，以从数据处理和信号处理两方面共同提升系统的跟踪性能.仿真结果表明，相比于基于改进当前统计（current statistical，CS）模型的无迹卡尔曼滤波（Unscented Kalman Filter，UKF）算法、基于CS模型的SCKF算法、基于CA模型的SCKF算法和交互式多模型（IMM）SCKF算法，所提算法结构简单且跟踪精度更高.

关键词: 机动目标跟踪, 匀加速模型, 波形调度, 平方根容积卡尔曼滤波

Abstract: Aiming at the maneuvering target tracking problem,a novel square-root cubature Kalman filter (SCKF) is proposed by the integration of the adaptive constant acceleration (CA) model and the waveform scheduling.On the basis of the CA model,the approximation relationship between the Jerk and the velocity as well as the acceleration is established in order to make the connection of the state process noise with the state error covariance matrix.As such,the adaptive adjustment of the proposed model is realized.Additionally,the fractional Fourier transform (FrFT) is utilized to rotate the ambiguity function of the transmitted waveform to maintain the orthogonality between the measurement error ellipse and the state prediction error ellipse.Thereby,the optimal transmitting waveform can be obtained and the tracking performance is systematically improved in both of the data processing and the signal processing.The simulation results show that the proposed algorithm possess a simpler structure and higher accuracy than the unscented Kalman filter based on the modified current statistical (CS) model,the SCKF based on the CS model,the SCKF based on the CA model and the interactive multiple model SCKF (IMM-SCKF).

Key words: maneuvering target tracking, constant acceleration model, waveform scheduling, square-root cubature Kalman filter

中图分类号:

TN953

张浩为, 谢军伟, 葛佳昂, 等. 基于波形调度的机动目标跟踪算法[J]. 电子学报, 2019, 47(3): 560-567.

ZHANG Hao-wei, XIE Jun-wei, GE Jia-ang, et al. Maneuvering Target Tracking Based on Waveform Scheduling[J]. Acta Electronica Sinica, 2019, 47(3): 560-567.

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基于波形调度的机动目标跟踪算法

Maneuvering Target Tracking Based on Waveform Scheduling

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