机动目标速度和加速度联合分辨力

doi:10.3969/j.issn.1000-1093.2013.10.008

兵工学报 ›› 2013, Vol. 34 ›› Issue (10): 1243-1249.doi: 10.3969/j.issn.1000-1093.2013.10.008

机动目标速度和加速度联合分辨力

李文臣^1,2, 李宏^1,2, 杨会民¹, 王凌艳¹

1. 中国洛阳电子装备试验中心电子信息系统复杂电磁环境效应国家重点实验室, 河南洛阳471003; 2. 西南电子设备研究所信息综合控制国家重点实验室, 四川成都610036

收稿日期:2012-12-25 修回日期:2012-12-25 上线日期:2013-12-16
作者简介:李文臣(1972—),男,高级工程师。
基金资助:
装备预先研究项目(51303010203)

Joint Resolution of Velocity and Acceleration of Maneuvering Target

LI Wen-chen^1,2, LI Hong^1,2, YANG Hui-min¹, WANG Ling-yan¹

1. State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, Luoyang Electronic Equipment Test Center of China, Luoyang 471003, Henan, China|2. National Information Control Laboratory, Southwest Research Institute of Electronics Equipment, Chengdu 610036, Sichuan, China

Received:2012-12-25 Revised:2012-12-25 Online:2013-12-16

摘要/Abstract

摘要： 基于Radon-Wigner 变换(RWT)方法分析机动目标速度和加速度多普勒分辨与提取问题。给出了机动目标的脉冲多普勒雷达回波模型和傅里叶变换处理方法。将RWT 方法应用于机动目标回波参数估计,给出了RWT 输出的泰勒解析表达式、速度和加速度独立分辨表达式和联合分辨表达式,研究表明,速度和加速度的联合分辨条件为运动参数不同引起的路径偏差大于1/2 个波长。对傅里叶变换、Radon-ambiguity 变换(RAT)和RWT 方法进行了分辨力性能仿真比较,表明 RWT 具有较强的速度和加速度分辨力,验证了速度和加速度联合分辨条件。

关键词: 信息处理技术, 脉冲多普勒, Radon-Wigner 变换, Radon-ambiguity 变换, 加速度分辨力, 速度和加速度联合分辨力

Abstract: Based on the Radon-Wigner transform (RWT), the Doppler resolution and extraction are studied for velocity and acceleration of maneuvering target. The pulse Doppler radar echo model of maneuvering target and the Fourier transformation processing method are offered. The RWT method is used to estimate the parameters of maneuvering targets. The Taylor analytical expression, the velocity and acceleration independent resolution expression and the joint resolution expression are proposed. It is indicated that the motion parameters can be distinguished if the path deviation between different maneuvering targets reaches one-half wavelength. The resolution capabilities of Fourier transform,Radon-ambiguity transform(RAT) and RWT method are simulated and compared. The simulation results show that RWT has the strong resolution capability of velocity and acceleration. The joint resolution condition of velocity and acceleration is validated.

Key words: information processing, pulse Doppler, Radon-Wigner transform, Radon-ambiguity transform, acceleration resolution, joint resolution of velocity and acceleration

中图分类号:

TN95

李文臣, 李宏, 杨会民, 王凌艳. 机动目标速度和加速度联合分辨力[J]. 兵工学报, 2013, 34(10): 1243-1249.

LI Wen-chen, LI Hong, YANG Hui-min, WANG Ling-yan. Joint Resolution of Velocity and Acceleration of Maneuvering Target[J]. Acta Armamentarii, 2013, 34(10): 1243-1249.

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机动目标速度和加速度联合分辨力

Joint Resolution of Velocity and Acceleration of Maneuvering Target

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