| 对称三角线性调频连续波信号模糊函数分析 |
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| 引用本文： | 张容权,杨建宇,熊金涛,向敬成.对称三角线性调频连续波信号模糊函数分析[J].电子学报,2004,32(3):353-356. |
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| 作者姓名： | 张容权 杨建宇 熊金涛 向敬成 |
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| 作者单位： | 电子科技大学电子工程学院,四川成都 610054 |
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| 基金项目： | 国防预研基金项目 (No .41 30 70 4 0 4 0 3)，教育部跨世纪优秀人才培养计划基金项目 (No .B1 30 1 0 2 0 1KSJ0 2 0 2 ) |
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| 摘 要： | 本文从对称三角线性调频连续波雷达体制的特点出发,导出了对称三角线性调频连续波信号模糊函数,分析了它的特点;阐明了它与单斜率线性调频连续波信号和脉冲LFM信号模糊函数的区别;从模糊函数的角度分析说明了采用对称三角线性调频连续波信号相对于单斜率线性调频连续波信号可以大大提高目标的分辨力,并能消除多目标环境中运动目标的距离速度耦合现象.
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| 关 键 词： | 对称三角线性调频连续波 模糊函数 距离速度去耦合 |
| 文章编号： | 0372-2112(2004)03-0353-04 |
| 收稿时间： | 2003-03-03 |
Analysis of Ambiguity Function of Symmetrical Triangular Linear Frequency Modulation Continuous Wave Signal |
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| ZHANG Rong-quan,YANG Jian-yu,XIONG Jin-tao,XIANG Jing-cheng.Analysis of Ambiguity Function of Symmetrical Triangular Linear Frequency Modulation Continuous Wave Signal[J].Acta Electronica Sinica,2004,32(3):353-356. |
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| Authors: | ZHANG Rong-quan YANG Jian-yu XIONG Jin-tao XIANG Jing-cheng |
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| Affiliation: | College of Electronic Engineering,University of Electronics Science and Technology of China,Chengdu,Sichuan 610054,China |
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| Abstract: | Based on the characteristic of symmetrical triangular frequency modulation continuous wave (STMFCW) radar principle,the ambiguity function of STFMCW signal is presented and analyzed.The differences between the ambiguity function of STMFCW signal and single slope linear frequency modulation continuous wave signal and pulse LFM signal are also discussed.In addition,from the property of its ambiguity function,it is indicated that using the STFMCW signal can considerably enhance the resolution and eliminate the range-velocity coupling of moving target under multi-target environments. |
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| Keywords: | STFMCW ambiguity function range-velocity decoupling |
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