| 二相编码脉冲雷达模拟器的研制 |
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| 引用本文： | 贾金锁,高梅国,韩月秋.二相编码脉冲雷达模拟器的研制[J].北京理工大学学报,2004,24(3):257-260. |
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| 作者姓名： | 贾金锁 高梅国 韩月秋 |
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| 作者单位： | 北京理工大学,信息科学技术学院电子工程系,北京,100081 |
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| 摘 要： | 研究二相编码体制雷达信号处理机与雷达模拟器之间的接口方式,以及在变脉冲重复周期时巴克码和M序列码雷达回波信号的产生方法.以数字信号处理器(DSP)为核心器件,设计了一套较为通用的硬件实现方案,在此基础上,对回波信号进行二相伪随机码调制、多普勒调制和天线方向图调制,模拟距离模糊和速度模糊,并采用数字的方法进行多目标合成.该雷达模拟器与信号处理机可实时闭环工作,检验信号处理机搜索和跟踪多目标的能力.
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| 关 键 词： | 雷达信号模拟器 二相编码脉冲雷达 巴克码(BK) M序列码 编码脉冲 雷达模拟器 Simulator Radar Pulse 能力 跟踪 搜索 检验 工作 闭环 信号处理机 合成 多目标 方法 数字 速度模糊 距离模糊 方向图调制 天线 |
| 文章编号： | 1001-0645(2004)03-0257-04 |
| 收稿时间： | 2003/3/24 0:00:00 |
| 修稿时间： | 2003年3月24日 |
Design of Biphase Coded Pulse Radar Simulator |
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| JIA Jing-suo,GAO Mei-guo and HAN Yue-qiu.Design of Biphase Coded Pulse Radar Simulator[J].Journal of Beijing Institute of Technology(Natural Science Edition),2004,24(3):257-260. |
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| Authors: | JIA Jing-suo GAO Mei-guo and HAN Yue-qiu |
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| Affiliation: | Department of Electronic Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China;Department of Electronic Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China;Department of Electronic Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | The interface between radar signal processor and radar simulator is discussed for a biphase coded radar. The method of producing BK code and M code radar echo signals is analyzed while the pulse repeat period is changing. Based on a hardware realization scheme in which the digital signal processor is the key device, the radar echo signal is modulated by the biphase code, Doppler frequency, and the diagram of antenna direction. Moreover, the distance ambiguity and speed ambiguity are simulated and the target is synthesized with a digital method. When a closed-loop system is formed by the radar signal processor and the simulator, ability of the signal processor in searching and tracking multi-target can be verified. |
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| Keywords: | radar signal simulator biphase coded pulse radar BK code M code |
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