机构

• 地理科学与资源研究所 [2]
• 数学与系统科学研究院 [2]
• 长春光学精密机械与物... [1]
• 自动化研究所 [1]

采集方式

• OAI收割 [6]

内容类型

• 期刊论文 [3]
• SCI/SSCI论文 [2]
• 会议论文 [1]

发表日期

• 2018 [1]
• 2013 [1]
• 2010 [1]
• 2009 [3]

学科主题

筛选

浏览/检索结果: 共6条，第1-6条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Radial Hahn Moment Invariants for 2D and 3D Image Recognition 期刊论文  OAI收割 International Journal of Automation and Computing, 2018, 卷号: 15, 期号: 3, 页码: 277-289 作者:  Mostafa El Mallahi;  Amal Zouhri;  Anass El Affar;  Ahmed Tahiri;  Hassan Qjidaa   |  收藏  |  浏览/下载：9/0  |  提交时间：2021/02/23 Orthogonal moments  two-dimensional and three-dimensional (2D and 3D) radial Hahn moments  Hahn polynomials  image reconstruction  2D and 3D rotation invariants.   Interactive effects of selenium and antimony on the uptake of selenium, antimony and essential elements in paddy-rice SCI/SSCI论文  OAI收割 2013 Feng R. W.; Wei C. Y.; Tu S. X.; Liu Z. Q. 收藏  |  浏览/下载：43/0  |  提交时间：2014/12/24 Calcium  Magnesium  Potassium  Antagonistic  Orthogonal rotation  regression design  pteris-vittata l.  hydroponic conditions  plant uptake  protective role  cadmium stress  human hair  mercury  growth  se  accumulation   Miniaturize photoelectric stable platform (EI CONFERENCE) 会议论文  OAI收割 2010 International Conference on Computer Application and System Modeling, ICCASM 2010, October 22, 2010 - October 24, 2010, Shanxi, Taiyuan, China Xue W.-Q.; Wang Y.-Y.; Dai M. 收藏  |  浏览/下载：79/0  |  提交时间：2013/03/25 In order to reduce the size and weight of the gimbal in a traditional stable platform and correct the disadvantage in size of the payload  the paper first improves the gimbal which is an important component of a stable photoelectric platform  that also is an important factor in affecting the size and weight of a stability platform. In this paper  a closed-form solution of 3-DOF manipulator is designed according mechanical arm design principles. This manipulator is formed by a three joint axes whose extended line is intersected at one point. A standard orthogonal coordinate system is set up for each rod in the manipulator. And then  rotation transformation matrix expression is obtained. At last in this paper  the manipulator arm-shaped method for solving solutions is description  and also  each parameter of the gimbal is calculated when the photoelectric detection devices at bottom reach the expected position. Test results show that the photoelectric stability platform with gimbal we designed is smaller  lighter and simpler than that traditional. Also  the packaging and size of the photoelectric will not be affected with this open structure. 2010 IEEE.   Modified incomplete orthogonal factorization methods using Givens rotations 期刊论文  OAI收割 COMPUTING, 2009, 卷号: 86, 期号: 1, 页码: 53-69 作者:  Bai, Zhong-Zhi;  Yin, Jun-Feng   |  收藏  |  浏览/下载：27/0  |  提交时间：2018/07/30 Preconditioner  Givens rotation  Incomplete orthogonal factorization  Nonsymmetric matrix   Numerical study on incomplete orthogonal factorization preconditioners 期刊论文  OAI收割 JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2009, 卷号: 226, 期号: 1, 页码: 22-41 作者:  Bai, Zhong-Zhi;  Duff, Iain S.;  Yin, Jun-Feng   |  收藏  |  浏览/下载：19/0  |  提交时间：2018/07/30 Preconditioning  Givens rotation  Incomplete orthogonal factorization  Nonsymmetric matrix  Normal equations   Interactive effects of selenium and arsenic on their uptake by Pteris vittata L. under hydroponic conditions SCI/SSCI论文  OAI收割 2009 Feng R. W.; Wei C. Y.; Tu S. X.; Sun X. 收藏  |  浏览/下载：19/0  |  提交时间：2012/06/08 Arsenic  Antagonistic  Chinese brake fern  Interactive effects  Selenium  Orthogonal rotation regression design  chinese brake fern  oxidative stress  supplementation  accumulation  phosphorus  growth  antioxidant  ryegrass  clover  plants