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科研机构
地质与地球物理研究所 [2]
中国科学院大学 [2]
厦门大学 [1]
物理研究所 [1]
兰州大学 [1]
长春光学精密机械与物... [1]
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期刊论文 [6]
会议论文 [3]
学位论文 [2]
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2009 [11]
学科主题
electronic... [1]
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Inversion of cosmic atmospheric open-loop radio occultation data
期刊论文
Chinese journal of geophysics-chinese edition, 2009, 卷号: 52, 期号: 9, 页码: 2195-2200
作者:
Hu Xiong
;
Liou Yuei-An
;
Gong Xiao-Yan
;
Chiu Tsen-Chieh
;
Yeh Wen-Hao
收藏
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浏览/下载:60/0
  |  
提交时间:2019/05/10
Inversion of gps radio occultation
Open-loop data processing
Ray bending angle
Navigation data modulation effects
On the effective inversion by imposing a priori information for retrieval of land surface parameters
期刊论文
SCIENCE IN CHINA SERIES D-EARTH SCIENCES, 2009, 卷号: 52, 期号: 4, 页码: 540-549
作者:
Wang YanFei
;
Ma ShiQian
;
Yang Hua
;
Wang JinDi
;
Li XiaoWen
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  |  
浏览/下载:15/0
  |  
提交时间:2018/09/26
ill-posed problems
land surface parameter retrieval
optimization
regularization
On the effective inversion by imposing a priori information for retrieval of land surface parameters
期刊论文
SCIENCE IN CHINA SERIES D-EARTH SCIENCES, 2009, 卷号: 52, 期号: 4, 页码: 540-549
作者:
Wang YanFei
;
Ma ShiQian
;
Yang Hua
;
Wang JinDi
;
Li XiaoWen
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  |  
浏览/下载:15/0
  |  
提交时间:2018/09/26
ill-posed problems
land surface parameter retrieval
optimization
regularization
Design of aspherical surfaces for panoramic imagers using multipopulations genetic algorithm (EI CONFERENCE)
会议论文
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
Wang L.-P.
;
Liang Z.-Z.
;
Jin C.-S.
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浏览/下载:18/0
  |  
提交时间:2013/03/25
A design method of aspherical surface for panoramic imaging system with two mirrors using multi-populations genetic algorithms is proposed. Astigmatism induced by mirrors may significantly compromise image resolution. To solve this problem
we induced algebraic expression of astigmatism in panoramic imager based on generalized Coddington equation and theory of geometric optics. Then
we propose an optimization process for mirror profile design to eliminate astigmatism and provide purposely-designed projection formula with aid of MPGA. A series of polynomial expressions of aspherical surfaces are obtained and procedures of the design are presented. In order to facilitate ray tracing and aberration calculation
even asphere surface model is obtained by using of hybrid schemes combining MPGA and damped least squares. Finally
a prototype of the catadioptric panoramic imager has been developed and panoramic ring image is obtained. 2009 SPIE.
High-visibility intensity interference and ghost imaging with pseudo-thermal light
期刊论文
JOURNAL OF MODERN OPTICS, 2009, 卷号: 56, 期号: 2-3, 页码: 422
Agafonov, IN
;
Chekhova, MV
;
Iskhakov, TS
;
Wu, LA
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浏览/下载:12/0
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提交时间:2013/09/17
STATE
图像测量技术及其应用研究
学位论文
2009, 2008
江晓
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浏览/下载:5/0
  |  
提交时间:2016/02/14
图像测量
边缘检测
Hough变换
最小二乘法
直线拟合
: image measuring
edge detection
Hough transform
least-square fitting
line fitting
A feature-based image watermarking scheme robust to local geometrical distortions
期刊论文
Journal of Optics. A: Pure and Applied Optics, 2009, 卷号: Vol.11 No.6, 页码: 065401
作者:
Xiang-yang Wang
;
Li-min Hou
;
Hong-ying Yang
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  |  
浏览/下载:3/0
  |  
提交时间:2019/02/27
image
watermarking
local
geometric
distortions
feature
points
image
normalization
Pseudo-Zernike
moments
自由空间的光束传输特性研究
学位论文
博士: 中国科学院上海光学精密机械研究所, 2009
作者:
吴国华
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浏览/下载:41/0
  |  
提交时间:2016/11/28
光束
偏振态
相干性
焦移
Estimating leaf area index by inversion of reflectance model for semiarid natural grasslands
期刊论文
Science in china series d-earth sciences, 2009, 卷号: 52, 期号: 1, 页码: 66-84
作者:
Zhang Na
;
Zhao YingShi
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浏览/下载:23/0
  |  
提交时间:2019/05/10
Leaf area index
Plant crown shape
Geometrical similarity parameter
Reflectance model
Radiative transfer
Geometric optics
Inversion
Semiarid natural grassland
Gradient index microwave lens using metal strip
会议论文
2009 International Conference on Microwave Technology and Computational Electromagnetics, ICMTCE 2009, Beijing, China, November 3, 2009 - November 6, 2009
作者:
Mei, Zhong Lei
;
Niu, Tiao Ming
;
Cui, Tie Jun
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  |  
浏览/下载:5/0
  |  
提交时间:2017/01/18
Strip metal
Computational electromagnetics
Electromagnetic field theory
Electron optics
Lenses
Metals
Microwave devices
Microwaves
Optical instruments
Effective medium theories
Electromagnetic parameters
Electromagnetic properties
Field distribution
Focusing effect
Geometric sizes
Gradient indexes
Metal strip array
Metal strips
Theoretical basis
Theoretical prediction
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