PHOTOGRAMMETRY

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Study on the pointing model of a slant-axis terahertz antenna
《Research in Astronomy and Astrophysics》2020年第4期115-122,共8页Yu Wang Zheng Lou Ying-Xi Zuo Hao-Ran Kang Ming-Zhu Zhang 
supported in part by the National Key Basic Research and Development Program(Grant No.2018YFA0404702);National Natural Science Foundation of China(Grant Nos.11673074 and 11773084)。
This paper describes the establishment and verification of an accurate pointing model for a1.2 m aperture slant-axis terahertz antenna.A new analytical pointing model for the slant-axis antenna is presented based on a...
关键词：telescopes slant-axis ANTENNA PHOTOGRAMMETRY POINTING MODELS 
A Preliminary Study on the Theory of Polar Coordinates Digital Photogrammetry and the Coordinate System of Spatial Information被引量：2
《Journal of Geodesy and Geoinformation Science》2018年第1期61-79,共19页Lei YAN Ruihua ZHANG Yanbiao SUN 
The National Key Research and Development of China(2017YFB0503004);The National Natural Science Foundation of China(41571432,61101157,41050110441);The Chinese National Programs for High Technology Research and Development(2007AA09Z201);The National Key Technology Research and Development Program of The Ministry of Science and Technology of China(2011BAH12B06).
The development of new aeronautics and astronautics technologies has been constrained by strict mathematical rules for data processing among the diverse methods used to obtain spatial information.The acquisition of sp...
关键词：ASTRINGENCY BIONIC machine vision CONVERGENCE precision intelligent PHOTOGRAMMETRY POLAR COORDINATES vector spatial information 
Characterization of ASTER GDEM elevation data over vegetated area compared with lidar data
《International Journal of Digital Earth》2015年第3期198-211,共14页Wenjian Ni Guoqing Sun Kenneth J.Ranson 
This work was partially supported by the National Basic Research Program of China(Grant no.2013CB733404);the National Natural Science Foundation of China(Grant nos.41001208 and 91125003);support for the study was also provided by the NASA Terrestrial Ecology Program(NNX09AG66G).
Current researches based on areal or spaceborne stereo images with very high resolutions(<1 m)have demonstrated that it is possible to derive vegetation height from stereo images.The second version of the Advanced Spa...
关键词：vegetation canopy height ASTER GDEM NED PHOTOGRAMMETRY stereo-mapping 
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