Micro-Doppler analysis and parameter estimation of complex motion

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (36): 166-169.

• 数据库、信号与信息处理 • Previous Articles Next Articles

Micro-Doppler analysis and parameter estimation of complex motion

CHEN Guangfeng1，2，ZHANG Linrang2，LIU Gaogao2，WANG Chun2，LIU Xin2，ZHANG Bo2

1.Department of Mathematics，Xi’an University of Arts and Science，Xi’an 710065，China
2.National Lab of Radar Signal Processing，Xidian University，Xi’an 710071，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-12-21 Published:2011-12-21

一种复合微运动的微多普勒分析与参数估计

陈广锋1，2，张林让2，刘高高2，王纯2，刘昕2，张波2

1.西安文理学院数学系，西安 710065
2.西安电子科技大学雷达信号处理国家重点实验室，西安 710071

Abstract

Abstract: Micro-Doppler signature produced by micro-motion contains movement and structure information which is useful for radar classification and recognition.In this paper，complex micro-motion scattering point with vibration and acceleration is modeled.Based on a quantitative analysis on micro-Doppler modulation，a precession parameter estimation method on acceleration，frequency and amplitude of vibration by extracting peak value and fitting straight line is proposed.Simulation demonstrates the correctness of the model and the validity of the parameter estimation.

Key words: micro-Doppler, vibration, acceleration, time-frequency analysis, parameter estimation

摘要： 目标的微运动所产生的微多普勒特征包含了目标的运动和结构信息，在目标的分类、识别等领域中有着重要的作用。建立了振动与加速运动的复合微动模型，定量分析了目标的微多普勒调制特征，提出了利用提取峰值法和拟合直线法估计目标的加速度、振动频率和振动幅度等参数的方法，通过仿真验证了模型的正确性和参数估计的有效性。

关键词: 微多普勒, 振动, 加速度, 时频分析, 参数估计

CHEN Guangfeng1，2，ZHANG Linrang2，LIU Gaogao2，WANG Chun2，LIU Xin2，ZHANG Bo2. Micro-Doppler analysis and parameter estimation of complex motion[J]. Computer Engineering and Applications, 2011, 47(36): 166-169.

陈广锋1，2，张林让2，刘高高2，王纯2，刘昕2，张波2. 一种复合微运动的微多普勒分析与参数估计[J]. 计算机工程与应用, 2011, 47(36): 166-169.

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Micro-Doppler analysis and parameter estimation of complex motion

一种复合微运动的微多普勒分析与参数估计

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