| 中频数字对消器的原理及仿真分析 |
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| 引用本文： | 赵万磊.中频数字对消器的原理及仿真分析[J].武汉理工大学学报(交通科学与工程版),2008,32(3). |
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| 作者姓名： | 赵万磊 |
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| 作者单位： | 上海微波设备研究所,上海,201802 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 提出了一种利用广播电视信号对目标进行无源定位中的中频数字对消器,描述了该对消器的原理及模型,给出了仿真分析及实验结果,并指出工程设计中需要考虑的一些问题.实验结果表明:该对消器对电视信号中频直达波信号对消比达到了35 dB以上,在雷达应用中可抗有源干扰和天线副瓣.
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| 关 键 词： | 无源定位 数字对消 多径干扰 |
Principle and Simulation Analysis of Intermediate Frequency Digital Canceler |
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| Zhao Wanlei.Principle and Simulation Analysis of Intermediate Frequency Digital Canceler[J].journal of wuhan university of technology(transportation science&engineering),2008,32(3). |
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| Authors: | Zhao Wanlei |
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| Abstract: | A IF digital canceller for target PCL using the broadcast TV signal is presented in this paper.First the principle and model of the canceller are described,and then the simulation analysis and the experimental result are given.Finally some design suggestions are listed which must be considered in engineering practice. |
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| Keywords: | PCL digital cancellation multi path interference |
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