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浏览/检索结果: 共11条，第1-10条 帮助

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A framework of correcting the angular effect of land surface temperature on evapotranspiration estimation in single-source energy balance models 期刊论文  OAI收割
REMOTE SENSING OF ENVIRONMENT, 2022, 卷号: 283, 页码: 18
作者:  Jiang, Yazhen;  Tang, Ronglin;  Li, Zhao-Liang
  |  收藏  |  浏览/下载：32/0  |  提交时间：2022/12/09
A framework of correcting the angular effect of land surface temperature on evapotranspiration estimation in single-source energy balance models 期刊论文  OAI收割
REMOTE SENSING OF ENVIRONMENT, 2022, 卷号: 283, 页码: 18
作者:  Jiang, Yazhen;  Tang, Ronglin;  Li, Zhao-Liang
  |  收藏  |  浏览/下载：24/0  |  提交时间：2022/12/09
The role of electron orbital angular momentum in the Aharonov-Bohm effect revisited 期刊论文  OAI收割
ANNALS OF PHYSICS, 2018, 卷号: 397, 页码: 259-277
作者:  Wakamatsu, Masashi;  Kitadono, Yoshio;  Zou, Liping;  Zhang, Pengming
  |  收藏  |  浏览/下载：27/0  |  提交时间：2019/03/27
STEREODYNAMICS, MASS EFFECT AND DOCKING FROM O(P-3) + HD -> OH plus D AT E-col=0.4-1.0 eV AND O(P-3)+HD -> OD plus H AT E-col=0.5-1.0 eV 期刊论文  OAI收割
journal of theoretical & computational chemistry, 2013, 卷号: 12, 期号: 1
作者:  Chao (Wu), Victor Wei-Keh
收藏  |  浏览/下载：26/0  |  提交时间：2015/11/09
The angular velocity estimation principal of -- filter based on high sampling rate (EI CONFERENCE) 会议论文  OAI收割
2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China
作者:  Zhang Y.
收藏  |  浏览/下载：28/0  |  提交时间：2013/03/25
In order to get angular velocity of stabilization servo mechanism from angular position sensors  -- filter and its angular velocity transfer function were predigested. Combing with optimum parameters  -- filter based on high sampling rate was established  the effect of and sample rate on filter nature frequency were evaluated. According to the requirements of stabilization platform  the principle of steady and transient tracking filter differential were proved. With the hypothesis of constant acceleration  the frequency characteristics of angular velocity transfer function were analyzed  three-dimensional Kalman filter was simplified  and the filter parameters were designed. The results show that when the spectrum of input signal was lower than 6rad/s  parameters was 0.02  and sampling period were 0.08ms and 0.1ms respectively  the filter can realize differential exactly  when the spectrum was 9rad/s  the precision was no less than 1.1%  the phase leading of angular position was no less than 70  the natural frequency should be higher than the cut-off frequency of stabilization platform was two or three times. In the engineering of electro-optical stabilization servo mechanism  -- filter has properties of tracking differential  and reached the requirement of platform angular velocity estimation. Also it is one of the effective methods to get angular velocity from angular position sensors. 2011 IEEE.  
Design of stable image platform on airborne camera (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Advanced Design and Manufacturing Engineering, ADME 2011, September 16, 2011 - September 18, 2011, Guangzhou, China
作者:  Yang L.;  Yang L.
收藏  |  浏览/下载：16/0  |  提交时间：2013/03/25
Modulation transfer function resulting from random vibration was analyzed. To conclude that the effect of angular displacement was the major factor. Allowable MTF degradation was represented  and 34dB reduction was achieved at frequency of 100HZ. With the help of MSC.ADAMS simulation software  and convert allowable MTF degradation into stable system design parameters  simulated curve proves correct for isolator  which can guide perfect design for stabilization system. Based on the spatial mechanism and translational principle of parallelogram  and the irrotational displacement mechanism was tested by optical method  an irrotational displacement isolator was developed. It can meet the requirements of irrotational displacement and damp. An instance was given  coupled angle is less than 8?  it can satisfy the demand of aerial imaging. (2011) Trans Tech Publications.  
Research on the the device of non-angular vibration for opto-electronic platform (EI CONFERENCE) 会议论文  OAI收割
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Smart Structures and Materials in Manufacturing and Testing, April 26, 2010 - April 29, 2010, Dalian, China
An Y.; Song C.-P.; Kuang R.-J.; Jin G.
收藏  |  浏览/下载：31/0  |  提交时间：2013/03/25
The opto-electronic platform is the main equipment for aviation reconnaissance. It is a surveillance system with the function of search  recognition orientation and tracking by opto- electronic instruments. It is made up of opto-electronic instruments which are used to get high quality image  and stabilization tracking system to control stabilization and gesture of platform for exact tracking. The opto-electronic platform purpose is to achieve high quality image. Besides the impact of optic system  the image quality of the system is influenced greatly in the vibration environment. The research worked by Zhao peng which demonstrated the affection caused by angular vibration was worse than which caused by line vibration  and what was multiplied direct ratio with plane altitude. So it is necessary to design a new device which could be used widely and has good angular vibration isolation effect. According to the theory of parallelogram  the non-angular vibration device had been designed with spatial links  and the theory of non-angular vibration was analyzed. The three-dimensional model was set with UG  the analysis was done by ADAMS/vibration software. The acceleration and displacement response of the device in each direction was calculated by inspiriting it with sine wave of the acceleration in three directions  and the stiffness and damp were studied. All the work prove the design principle of the device is reasonable  and the device is adopted to keep the platform motion moving horizontally  at the meantime the device is good at isolating vibration in all directions. 2010 SPIE.  
Large fluctuation in odd-even differences and nonadditivity of nuclear moments of inertia 期刊论文  OAI收割
HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION, 2006, 卷号: 30, 页码: 39-41
作者:  Liu, Shu-Xin;  Lei, Yi-An;  Zeng, Jin-Yan
  |  收藏  |  浏览/下载：30/0  |  提交时间：2018/05/31
The impact of incident angle on multiple-bit upset in SRAMs 会议论文  OAI收割
作者:  Zhang, QX;  Hou, MD;  Liu, J;  Wang, ZG;  Jin, YF
  |  收藏  |  浏览/下载：18/0  |  提交时间：2018/08/20
The impact of incident angle on multiple-bit upset in SRAMs 会议论文  OAI收割
作者:  Zhang, QX;  Hou, MD;  Liu, J;  Wang, ZG;  Jin, YF
  |  收藏  |  浏览/下载：19/0  |  提交时间：2018/08/20