| IR-UWB近距离实孔径成像系统分辨率 |
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| 引用本文： | 黄冬梅,张钦宇. IR-UWB近距离实孔径成像系统分辨率[J]. 哈尔滨工业大学学报, 2011, 43(9): 67-73 |
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| 作者姓名： | 黄冬梅 张钦宇 |
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| 作者单位： | 哈尔滨工业大学深圳研究生院; |
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| 基金项目： | 国家自然科学基金资助项目(60702034) |
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| 摘 要： | 为了解决传统＂窄带、远场＂分辨率计算公式不再适用于超宽带极窄脉冲（IR-UWB）近距离实孔径成像系统的问题,提出了一种新的分辨率的计算方法.通过对IR-UWB近距离成像原理的分析,推导了单天线在距离向及横向分辨率的解析表达式,结合图像重建过程中信号叠加原理,提出了一种实孔径均匀线阵分辨率的计算方法.通过对理想点目标成像...
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| 关 键 词： | 分辨率 超宽带极窄脉冲 实孔径天线阵 近场 成像 |
Resolution of IR-UWB near-field real-aperture imaging systems |
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| HUANG Dong-mei and ZHANG Qin-yu. Resolution of IR-UWB near-field real-aperture imaging systems[J]. Journal of Harbin Institute of Technology, 2011, 43(9): 67-73 |
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| Authors: | HUANG Dong-mei and ZHANG Qin-yu |
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| Affiliation: | HUANG Dong-mei,ZHANG Qin-yu(Shenzhen Graduate School,Harbin Institute of Technology,518055 Shenzhen,China) |
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| Abstract: | To solve the problem that the traditional narrow-band,far-field resolution formulas are no longer suitable for Impulse Radio Ultra-Wide Band(IR-UWB) real aperture imaging systems,a new algorithm to compute the resolution was proposed.On analysis of IR-UWB near-field imaging principle,the formulation of resolution in down-and cross-range for single antenna was derived.Combined with signal superposition in the process of imaging,an algorithm to compute the resolution for real-aperture uniform linear array was... |
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| Keywords: | resolution IR-UWB real-aperture antenna arrays near-field imaging |
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