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| 雷达成像中基于进退法的鸟类目标运动状态自动判别方法 | |
| 引用本文： | 朱丰,冯有前,封同安,何元桥,张群.雷达成像中基于进退法的鸟类目标运动状态自动判别方法[J].电光与控制,2009,16(3). |
| 作者姓名： | 朱丰 冯有前 封同安 何元桥 张群 |
| 作者单位： | 1. 空军工程大学理学院,西安,710051 2. 空军工程大学电讯工程学院,西安,710077 3. 空军工程大学电讯工程学院,西安,710077;复旦大学波散射与遥感信息国家教育部重点实验室,上海,200433 |
| 基金项目： | 国家自然科学基金，陕西省自然科学基础研究项目 |
| 摘 要： | 利用线性调频步进体制高分辨雷达对鸟类目标进行ISAR成像是解决航空安全保障中鸟情探测问题的一个全新且重要的技术途径.为了得到鸟类目标更清晰的像,准确判断其运动状态显得至关重要.基于线性调频步进体制雷达微多普勒效应的产生原理,在距离-慢时间谱图上,针对鸟类目标特性,通过对精高分辨距离像进行分析,提出了一种利用进退法搜索相邻精高分辨距离像的互相关系数的方法来判别鸟类目标运动状态.仿真结果证明了其可行性和有效性. |
| 关 键 词： | 航空安全 鸟类目标 线性调频步进信号 距离-慢时间谱图 精高分辨距离像 互相关系数 进退法 |
Automatic Avian Moving Status Identification Based on Advance-Retreat Method with Imaging of Radar |
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| ZHU Feng,FENG Youqian,FENG Tongan,HE Yuanqiao,ZHANG Qun.Automatic Avian Moving Status Identification Based on Advance-Retreat Method with Imaging of Radar[J].Electronics Optics & Control,2009,16(3). | |
| Authors: | ZHU Feng FENG Youqian FENG Tongan HE Yuanqiao ZHANG Qun |
| Institution: | 1.Institute of Science;Air Force Engineering University;Xi'an 710051;China;2.Institute of Telecommunication Engineering;Xi'an 710077;3.Key Laboratory of Wave Scattering and Remote Sensing Information;Fudan University;Shanghai 200433;China |
| Abstract: | The birds can be imaged by ISAR with frequency-stepped chirp high-resolution radar for realizing bird detection to ensure aviation safety.For the sake of achieving a clearer image of birds,it is quite important to identify the moving status of them.A novel method that can identify moving status of birds accurately was proposed.The method can search the cross correlation coefficient of two neighboring high-resolution range profiles with advance-retreat method in spectrogram,based on the principal of generati... |
| Keywords: | aviation safety avian linear frequency-stepped chirp signal spectrogram high-resolution range profile cross correlation coefficient advance-retreat method |
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