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会议论文 [9]
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STDMA for Inter-satellite Communication in Low Earth Orbit
会议论文
4th International Conference on Communications, Signal Processing, and Systems (CSPS), Tianjin Normal Univ, Chengdu, PEOPLES R CHINA, OCT 23-24, 2015
作者:
Kang, Hailong
;
Jiang, Xiujie
;
Xiong, Weiming
收藏
  |  
浏览/下载:32/0
  |  
提交时间:2016/12/29
Satellite communication
STDMA
LEO
Wireless network
Selective search and sequential detection for standard plane localization in ultrasound
会议论文
5th International Workshop on Abdominal Imaging: Computation and Clinical Applications, Held in Conjunction with 16th International Conference on Medical Image Computing and Computer-Assisted Intervention, MICCAI 2013, Nagoya, Japan
作者:
Ni Dong
;
Li Tianmei
;
Yang Xin
;
Qin Jing
;
Li Shengli
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2015/08/27
Algorithm Design for Cluster Validity Based on Geometric Probability
会议论文
作者:
Li Xiaowen
;
Wu Hualei
;
Li Jianwei
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  |  
浏览/下载:3/0
  |  
提交时间:2019/11/21
optimum cluster number
Cluster validity
Geometric probability
Magnetic and electronic structural properties of the GdGa7N 8 cluster
会议论文
8th International Conference on Thin Film Physics and Applications, TFPA 2013, Shanghai, China, September 20, 2013 - September 23, 2013
作者:
Fang, Yanbian
;
Zhou, Bofan
;
Huang, Yan
;
Zeng, Yijie
;
Lu, Aijiang
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  |  
浏览/下载:2/0
  |  
提交时间:2017/01/20
Gallium alloys
Binding energy
Chemical bonds
Density functional theory
Gadolinium
Magnetic moments
Magnetic properties
Thin films
Bonding characteristics
Electronic structural properties
Geometric optimization
HOMO-LUMO gaps
Mulliken charges
Spin moments
Spin-polarized density functional theory
Diffusion Maps for Dimensionality Reduction with Partially Labeled Samples
会议论文
2nd International Conference on Computer and Automation Engineering, ICCAE 2010,
作者:
Feng Zheng
;
Zhan Song
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  |  
浏览/下载:6/0
  |  
提交时间:2015/08/21
Gimbal displacement error analysis on an electro-optical seeker (EI CONFERENCE)
会议论文
Optical Design and Testing IV, October 18, 2010 - October 20, 2010, Beijing, China
Jiang Z.
;
Zhang X.
;
Ai X.
;
Wei Q.
;
Jia H.
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  |  
浏览/下载:23/0
  |  
提交时间:2013/03/25
It is essential to analyze the gimbal displacement errors for a seeker due to the importance for cueing of targets and tracking for the final approach. Otherwise
for a seeker electro-driven with a concentric glass dome
the large errors will decrease the picking
pointing
and tracking precision rooted from the displacement errors existing between the rotation center of the optical system and the gimbal. And the gimbaled camera system displacement errors are never eliminated but reduced due to the geometric errors consists of geometric tolerances of gimbal structure
manufacture
installation and vibration coming from working environment. In this paper
the gimbal displacement errors in an electro-optically stabilized platform resulting from geometric errors and environment errors were analyzed and shown in detail. The mathematical modal of the gimbal displacement errors created based on multi-body dynamics demonstrated the connection between the gimbal displacement errors and the stabilized platform. Taking a visible light image seeker as a case
the diameter is 120mm
and the geometric tolerances came from the values of primary design and the vibration data came from the environmental vibration test on the pitch-yaw seeker
and at the same time
the errors resulting from installation were considered too. Based on calculating
the maximum gimbal displacement error will reach to 0.2mm for pitching angle smaller than 40 and yawing angle smaller than 60. However
the critical parts have been found out according to the probability theory and the reliability analysis successfully used in the paper
and finally
the maximum gimbal displacement error reduced to 0.1mm
which is acceptable corresponding to the picking
pointing and tracking precision for an optical imaging seeker. 2010 Copyright SPIE - The International Society for Optical Engineering.
On Determination Of Geometric Damage Tensor
会议论文
Zhuhai, PEOPLES R CHINA, DEC 26-28, 2009
作者:
Liu, Bin
;
Liu, Quan-sheng
;
Wu, Yue-xiu
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  |  
浏览/下载:9/0
  |  
提交时间:2018/06/05
fractured rock mass
geometric damage tensor
measurement condition
probability
damage evolution equation
Positional uncertainty of manual digitization vertex based on simulation test
会议论文
Geoinformatics 2008 and Joint Conference on GIS and Built Environment - Advanced Spatial Data Models and Analyses, Guangzhou, PEOPLES R CHINA, JUN 28-29, 2008
Wu, Huisheng
;
Liu, Zhaoli
;
Lin, Lifang
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  |  
浏览/下载:13/0
  |  
提交时间:2011/07/20
Vertex
Manual Digitization
Turning Angle
Positional Uncertainty
Distribution Law
On the Characteristic of Ruin Probability Variance in Multi-Type Insurance
会议论文
作者:
Li, Suoping
;
Yang, Heng
;
Gu, Qun
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  |  
浏览/下载:6/0
  |  
提交时间:2019/11/15
Poisson-Geometric process
martingale
multi-type insurance
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