中国科学院机构知识库网格系统: 检索

Pursuing 3-D Scene Structures With Optical Satellite Images From Affine Reconstruction to Euclidean Reconstruction 期刊论文 OAI收割
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2022, 卷号: 60, 页码: 14
作者: Wang, Pinhe; Shi, Limin; Chen, Bao; Hu, Zhanyi; Qiao, Jianzhong

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收藏 | 浏览/下载：26/0 | 提交时间：2022/11/28

Satellites Image reconstruction Cameras Three-dimensional displays Solid modeling Optical sensors Optical imaging Affine-to-Euclidean upgrading dense affine reconstruction ground control points (GCPs) hierarchical reconstruction optical satellite image

Enhanced proportional power sharing strategy based on adaptive virtual impedance in low-voltage networked microgrid 期刊论文 OAI收割
IET GENERATION TRANSMISSION & DISTRIBUTION, 2018, 卷号: 12, 期号: 11, 页码: 2566-2576
作者: Zhang, Jiyuan; Shu, Jie; Ning, Jia; Huang, Lei; Wang, Hao

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收藏 | 浏览/下载：24/0 | 提交时间：2020/10/29

distributed power generation power generation control reactive power control enhanced proportional power sharing strategy adaptive virtual impedance loop low-voltage networked microgrid electrical distance variation electric network complexity feeder impedances variations distributed generation units load points mismatched impedance improved R-L type droop control real powers reactive powers integral controllers virtual inductive components virtual resistive components MATLAB Simulink

The Moho depth in the China Sea-West Pacific and its geological implications 期刊论文 OAI收割
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2016, 卷号: 59, 期号: 3, 页码: 871-883
作者: Hu Li-Tian; Hao Tian-Yao; Xing Jian; Hu Wei-Jiang; Man-Cheol, Suh

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收藏 | 浏览/下载：25/0 | 提交时间：2017/11/24

China Sea-West Pacific Moho depth Three-dimensional density interface with control points

Simulation on high-power tetrode amplifier based on Similink 期刊论文 OAI收割
HIGH POWER LASER AND PARTICLE BEAMS, 2015, 卷号: 27, 期号: 9, 页码: 95104
作者: Liu SH(刘世豪); Mu ZC(慕振成); Zhou WZ(周文中); Liu MF(刘美飞); Xu XA(徐新安)

收藏 | 浏览/下载：34/0 | 提交时间：2016/04/18

13 points analysis High energy proton Operating frequency Proportional-integral control Radio frequency quadrupoles Simulation studies Simulink simulations Tetrode amplifiers

Optimal selection of GCPs from Global Land Survey 2005 for precision geometric correction of Landsat-8 imagery 期刊论文 OAI收割
EUROPEAN JOURNAL OF REMOTE SENSING, 2015, 卷号: 48
作者: Li, Shanshan; Peng, Man; Wu, Changshan; Feng, Xuxiang; Wu, Yeiwei

收藏 | 浏览/下载：27/0 | 提交时间：2016/04/20

Landsat-8 ground control points (GCPs) Global Land Survey 2005 precision geometric correction

A WTLS-Based Method for Remote Sensing Imagery Registration SCI/SSCI论文 OAI收割
2015
作者: Wu T. J.; Ge, Y.; Wang, J. H.; Stein, A.; Song, Y. Z.

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收藏 | 浏览/下载：24/0 | 提交时间：2017/11/09

Adaptive weight scheme image registration unequal accuracy weighted total least squares (WTLS) total-least-squares random sample consensus robust regression sensed imagery control points estimator models error

Data normalization of single camera visual measurement network system (EI CONFERENCE) 会议论文 OAI收割
2012 International Conference on Information Technology and Management Innovation, ICITMI 2012, November 10, 2012 - November 11, 2012, Guangzhou, China
作者: Zhang Y.-C.; Zhou J.

收藏 | 浏览/下载：24/0 | 提交时间：2013/03/25

With the development of visual measurement system Normalize the measured coordinates into the same world coordinate system Apply in the three coordinate measuring machine(CMM) to have the simulation experiment So the data normalization has the advantage of more high precision. (2013) Trans Tech Publications the visual measurement system of single camera which applied in the imaging theory of optical feature points then get the global data the result indicates that the maximum absolute tolerance between the normalization coordinates via the center of point set and the ones measured by CMM directly is 0.058mm Switzerland. it has been widespread used in the modern production. Due to the limit of the environment in scene and achieve the overall measurement the visual measurement system of single camera could not measure the shield between the measured objects each other. Focus on this problem But the one between the coordinate repeatedly measured at the position of one network control point is 0.066mm present a kind of the the knowledge of measurement network based on the visual measurement of single camera set up the measurement network system via the multi-control points. Measure the optical feature points in every network control point via the visual measurement system of single camera

The distribution characteristics and the relationship between the tectonic units of the Moho Depth in South China Sea and Adjacent Areas 期刊论文 OAI收割
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2011, 卷号: 54, 期号: 12, 页码: 3171-3183
作者: Qin Jing-Xin; Hao Tian-Yao; Xu Ya; Huang Song; Lu Chuan-Chuan

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收藏 | 浏览/下载：13/0 | 提交时间：2018/09/26

Gravity Anomaly Control Points Moho Surface Crustal Thickness

A parallel algorithm for medical images registration based on B-splines (EI CONFERENCE) 会议论文 OAI收割
4th International Congress on Image and Signal Processing, CISP 2011, October 15, 2011 - October 17, 2011, Shanghai, China
作者: Zhang T.

收藏 | 浏览/下载：26/0 | 提交时间：2013/03/25

Cubic B-splines is widely applied in non-rigid registration because of its approximation performance and fast computational characteristics. However a small scale non-rigid deformation is needed to characterize by a large number of control points. Moreover an iterative optimization strategy of the non-rigid registration algorithm and the normalized mutual information (NMI) cost a great quantity calculation. So the process of the non-rigid registration is slowed by calculations of NMI in a iterative optimization strategy. In this paper a parallel optimization algorithm based on cubic B-splines functions is proposed to parallelize the optimization algorithm of the nonrigid registration and the calculations of normalize mutual information. In practice a fast algorithm of cubic B-splines is used and the control points are only distributed on the targets. Experiments show that the use of the fast algorithm and the parallel optimization strategy improves the non-rigid registration process of medical images. 2011 IEEE.

The aircraft autopilot design of parameters changing in a wide range (EI CONFERENCE) 会议论文 OAI收割
2011 International Conference on Electric Information and Control Engineering, ICEICE 2011, April 15, 2011 - April 17, 2011, Wuhan, China
Zhen D.; Yue Z.

收藏 | 浏览/下载：28/0 | 提交时间：2013/03/25

Autopilot is an important part of aircraft Under the action of the disturbance torque for the flight parameters of aircraft Changing in a wide range the range was about 16km on the basic of analyzing the typical trajectory the max height was about 5100m the trajectory of feature points were selected the deviation of lateral was about 12m taking pitch control loop for example the maximum angle of attack was about 3.6 a sub- PID autopilot was designed using classical control theory the maximum elevator deflection was less than 5 using single-mode Transient suppression method the maximum aileron deflection was less than 2 the overload due to control surface transition deflection was avoided when control parameters changing the maximum roll was less than 5 the verification was done by non-linear simulation. The result showed that: the phase margin of autopilot was greater than 30 the response of overload can accurately track the given overload instruction. An autopilot design method of aircraft of parameter changes in a wide range was provided. 2011 IEEE. the bandwidth was more than 14rad / s the settling time was less than 0.7s the maximum overshoot was 23.3%