| 距离选通成像系统分辨率模拟测试装置 |
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| 引用本文： | 李丽,高稚允,王霞,金伟其,马海牡.距离选通成像系统分辨率模拟测试装置[J].光子学报,2005,34(2):165-168. |
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| 作者姓名： | 李丽 高稚允 王霞 金伟其 马海牡 |
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| 作者单位： | 北京理工大学,信息科学技术学院,光电工程系,北京,100081;防化研究院北京1044信箱501号,北京,102205;北京理工大学,信息科学技术学院,光电工程系,北京,100081;石家庄军械工程学院,河北,石家庄,050003 |
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| 基金项目： | 国家部委预研项目(03302020302) |
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| 摘 要： | 距离选通成像系统采用脉冲激光主动照明与ICCD选通技术相结合. 为了在室内模拟测试一定大气条件下距离选通成像系统的分辨率，设计了一套模拟测试装置. 采用两个模拟光源，分别模拟信号光和后向散射光. 结合大气距离选通成像系统后向散射光和信号光模型的研究结果，采用阴极面等效辐射照度法，给出了模拟光源功率的计算方法和功率范围的确定方法，以S-20光电阴极的像增强器与CCD耦合为例，计算了模拟光源功率.
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| 关 键 词： | 激光技术 距离选通 等效辐射照度 分辨率 后向散射 |
| 收稿时间： | 2003-12-19 |
| 修稿时间： | 2003年12月19 |
The Resolution Simulating Measurement Setup for Range-gated Imaging System |
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| Li Li ,Gao Zhiyun ,Wang Xia ,Jin Weiqi ,Ma Haimu Dept. of Optical Engineering,School of Information Technology,Beijing Institute of Technology,Beijing Research Institute of Chemical Defense,No.,Postbox ,Beijing Shi Jiazhuang Military Mechanic Engineer College,Shijiazhuang.The Resolution Simulating Measurement Setup for Range-gated Imaging System[J].Acta Photonica Sinica,2005,34(2):165-168. |
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| Authors: | Li Li Gao Zhiyun Wang Xia Jin Weiqi Ma Haimu Dept of Optical Engineering School of Information Technology Beijing Institute of Technology Beijing Research Institute of Chemical Defense No Postbox Beijing Shi Jiazhuang Military Mechanic Engineer College Shijiazhuang |
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| Institution: | Li Li 1,2,Gao Zhiyun 1,Wang Xia 1,Jin Weiqi 1,Ma Haimu 3 1 Dept. of Optical Engineering,School of Information Technology,Beijing Institute of Technology,Beijing 10081 2 Research Institute of Chemical Defense,No.501,Postbox 1044,Beijing 102205 3 Shi Jiazhuang Military Mechanic Engineer College,Shijiazhuang 050003 |
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| Abstract: | The range gated imaging system combines the technologies of pulsed laser illuminating and range gated ICCD. To measure and evaluate the resolution of range gated imaging system under certain atmosphere conditions, a simulating measurement setup is designed. Two light sources are used for simulating the signal and backscatter light respectively. Based on the method of equivalent irradiance on photo cathode, the methods of power calculation and power range determination for simulating light sources are provided. In the case of image intensifier using S 20 photo cathode coupled with CCD, based on the model of optical backscatter and signal for range gated imaging system, the power of simulating light sources are calculated. |
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| Keywords: | Laser technology Range-gated imaging Equivalent irradiance Resolution Backscatter |
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