| 即时/准即时u-v覆盖的光学综合孔径成像分析 |
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| 引用本文： | 王海涛,蔡佳慧,魏鹏,张雅静,朱永凯,田贵云.即时/准即时u-v覆盖的光学综合孔径成像分析[J].光子学报,2010,39(2):260-265. |
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| 作者姓名： | 王海涛 蔡佳慧 魏鹏 张雅静 朱永凯 田贵云 |
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| 作者单位： | 1. 南京航空航天大学自动化学院,南京,210016
2. 南京航空航天大学自动化学院,南京,210016;Newcastle University upon Tyne,UK |
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| 基金项目： | 863-2项目及南京航空航天大学创新基金 |
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| 摘 要： | 介绍了即时/准即时u-v覆盖的光学综合孔径成像技术实时/准实时观测的优点,并以LBT为实例进行了成像分析.对LBT采用快速傅里叶变换、卷积与反卷积算法获得系统的点扩展函数(PSF)与光学传递函数(OTF);探讨了全局传递函数及其对成像效果的影响,说明了即时/准即时u-v覆盖成像特性;用实验仿真的方法验证了全局传递函数在满足准即时u-v覆盖成像的要求情况下能够对天体目标进行较好的图像恢复.
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| 关 键 词： | 米散射 激光雷达 气溶胶 消光系数 水平能见度 |
| 收稿时间： | 2009-10-23 |
| 修稿时间： | 2009-11-07 |
Imaging Analysis of Optical Synthetic Aperture System with the Immediate/para-immediate u-v Coverage |
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| WANG Hai-tao,CAI Jia-hui,WEI Peng,ZHANG Ya-jing,ZHU Yong-kai,TIAN Gui-yun.Imaging Analysis of Optical Synthetic Aperture System with the Immediate/para-immediate u-v Coverage[J].Acta Photonica Sinica,2010,39(2):260-265. |
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| Authors: | WANG Hai-tao CAI Jia-hui WEI Peng ZHANG Ya-jing ZHU Yong-kai TIAN Gui-yun |
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| Institution: | 1 School of Automation engineering;Nanjing University of Aeronautics and Astronautics;Nanjing 210016;China;2 School of Electrical;Electronic and Computer Engineering;Newcastle University;UK |
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| Abstract: | The indispensable information regarding the image reconstruction is derived immediately/para-immediately by the optical synthetic aperture imaging with the immediate/para-immediate u-v coverage with the samples taking from the space frequency domain.The image of the observed object is obtained.The advantages of the immediate/para-immediate observation using the optical synthetic aperture imaging technology with the immediate/para-immediate u-v coverage are introduced.The analysis of imaging for LBT is proce... |
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| Keywords: | Mie scattering Lidar Aerosol Extinction coefficient Horizontal visibility |
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