| 近程雷达目标多分量信号处理 |
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| 引用本文： | 李国林,施聚生,赵曦,张旭.近程雷达目标多分量信号处理[J].北京理工大学学报(英文版),2000,9(1):101-106. |
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| 作者姓名： | 李国林 施聚生 赵曦 张旭 |
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| 作者单位： | 1. 北京理工大学,机电工程系,北京,100081
2. 海军航空工程学院,军械工程系,烟台,264001 |
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| 基金项目： | DoctoralProgrammeFoundationofInstitutionofHigherEducationofChina |
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| 摘 要： | 研究近程雷达FM多分量信号条件下目标距离测量 .利用目标多点散射模型、TLS ESPRIT和数理统计方法确定平均距离 .计算单分量信号瞬时频率的方法不适合于多分量信号 .多分量信号瞬时频率可以利用TLS ESPRIT结合数理统计的方法获得 .计算机模拟证明这种方法具有很高的测距精度
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| 关 键 词： | 近程雷达 多分量信号 TLS-ESPRIT方法 瞬时频率 |
| 收稿时间： | 1999/3/25 0:00:00 |
Multi-Component Signal Processing for the Short Range Radar |
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| LI Guo-lin,SHI Ju-sheng,ZHAO Xi and ZHANG Xu.Multi-Component Signal Processing for the Short Range Radar[J].Journal of Beijing Institute of Technology,2000,9(1):101-106. |
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| Authors: | LI Guo-lin SHI Ju-sheng ZHAO Xi and ZHANG Xu |
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| Affiliation: | Department of Engineering Safety, Beijing Institute of Technology,Beijing 100081;Department of Engineering Safety, Beijing Institute of Technology,Beijing 100081;Department of Ordnance Engineering, Navy Aviation Engineering College, Yantai 264001;Department of Ordnance Engineering, Navy Aviation Engineering College, Yantai 264001 |
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| Abstract: | To study the measurement of distance under the condition of the frequency modulation (FM) multi component signal of a short range radar, the multi points scattering model of a target, the TLS ESPRIT (total least square estimation of signal parameters via rotational invariance techniques) and the mathematical statistics methods were used. The method of computing single frequency signal's instantaneous frequency (IF) is unsuitable to the multi component signal. By using the method of the TLS ESPRIT combined with the mathematical statistics, the multi component signal's IF can be obtained. The computer simulation has shown that the method has the high accuracy for measuring the distance. |
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| Keywords: | short range radar multi-component signal TLS-ESPRIT method instantaneous frequency(IF) |
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