电子学报2011，Vol.39Issue(9)：1975-1981,7.
多载频MIMO雷达中目标旋转部件三维微动特征提取方法
Three-Dimensional Micro-Motion Feature Extraction of Target with Rotating Parts in Multi-Carrier MIMO Radar
摘要
Abstract
The micro-Doppler (m-D) effect,which provides a new approach for accurate auto radar target recognition, has attracted great research attention in recent years.In this paper,the multi-input multi-output (MIMO) techniques are introduced for the m-D feature extraction. Based on the analysis of m-D effect induced by radar target with rotating parts in multi-carrier MIMO radar,an algorithm for three-dimensional micro-motion feature extraction is proposed. In the algorithm, the Doppler frequency shift induced by the target body is eliminated from the time-frequency plane of echoes, and the parameters of the curve skelectons on the time-frequency plane are extracted by utilizing the Hough transform, then the three-dimensional micro-motion features can be obtained by solving nonlinear multivariable equation systems. Simulations validate the effectiveness of the algorithm, and the robustness of the algorithm is also analyzed.关键词
微多普勒/多输入多输出(MIMO)/目标识别Key words
micro-Doppler/multi-input multi-output (MIMO)/target recognition分类
信息技术与安全科学引用本文复制引用
罗迎,张群,朱仁飞,梁贤姣,吉楠..多载频MIMO雷达中目标旋转部件三维微动特征提取方法[J].电子学报,2011,39(9):1975-1981,7.基金项目
国家自然科学基金(No.60971100) （No.60971100）
陕西省自然科学基金(No.2010JQ8007) （No.2010JQ8007）
