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基于CFD方法的地面光伏阵列风压时程特性研究 期刊论文  OAI收割
太阳能学报, 2016, 卷号: 37, 期号: 7, 页码: 1774-1779
作者:  
牛斌;  张超;  侯巍;  王立敏;  马丽
收藏  |  浏览/下载:99/0  |  提交时间:2016/12/16
Design and calibration of the solar irradiance monitor (EI CONFERENCE) 会议论文  OAI收割
International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, May 24, 2011 - May 26, 2011, Beijing, China
作者:  
Yang D.-J.;  Gong C.-H.;  Wang Y.-P.;  Ye X.;  Fang W.
收藏  |  浏览/下载:26/0  |  提交时间:2013/03/25
The solar irradiance monitor (SIM)  with the design accuracy of 5  used to monitor the secular changes of the total solar irradiance on FY-3 satellite  takes the sun-scanning measurement method on-orbit. Compared to the sun-tracking measurement method  this method simplifies the structure and cuts the cost  but the measuring accuracy is affected by the sun-synchronous orbit  sunlight incidence angle and the installing angle of the SIM in the satellite. Through the ground calibration experiment  studies on the affection of different sunlight incidence angles to the measurement accuracy. First  by the satellite tool kit (STK) simulation software  simulates the orbital parameters of the sun-synchronous satellite  and calculates the Sun ascension and declination at any time. By the orbit coordinate transformation matrix gets the components of the Sun vectors to the axes of the satellite  and base on the components designs the field of view and the installing angles of the SIM. Then  designs and completes the calibration experiment to calibrate the affection of the incidence angles. Selecting 11 different angles between the sunlight and the satellite X-axis  measures the total solar irradiance by the SIM at each angle  and compares to the irradiances of the SIAR reference radiometers  and gets the coefficient curves of the three channels of the SIM. Finally  by the quadratic fitting  gets the correction equations on the incidence angles: R 1=5.7110-52 -2.45310 -3+1.0302  R2=2.8410-5-1. 96510-3+1.0314 and R3 =1.7210 -52-4.18410-4+0.9946. The equations will aimprove the on-orbit measurement accuracy of the solar irradiance  and are very important to the on-orbit data processing after the satellite launched. 2011 SPIE.  
Dynamic nonlinear transformation algorithm in LED display panel (EI CONFERENCE) 会议论文  OAI收割
2010 2nd International Conference on Computational Intelligence and Natural Computing, CINC 2010, September 13, 2010 - September 14, 2010, Wuhan, China
Chang F.; Zheng X.-F.; Wang R.-G.; Ding T.-F.
收藏  |  浏览/下载:25/0  |  提交时间:2013/03/25
In order to ensure high quality display results of LED display panel in all kinds of ambient brightness  a dynamic nonlinear transformation algorithm is proposed. First  the implementation processes of the method of lock-up table nonlinear transformation are described  which is the traditional method of nonlinear transformation. Second  an algorithm model of dynamic nonlinear transformation is constructed Third  the algorithm realization steps are discussed on the basis of the constructed algorithm model. Finally  the relationship between the coefficient of nonlinear transformation and ambient brightness is analyzed. Experimental results indicate  regardless of ambient brightness this algorithm is able to ensure that the contrast of LED display panel does not decrease  so the display results of LED display panel is good. 2010 IEEE.  
Effect of counterpart on the tribological behavior and tribo-induced phase transformation of Si 期刊论文  OAI收割
tribology international, 2009, 卷号: 42, 期号: 5, 页码: 628-633
Li XC; Lu JJ; Yang SR
收藏  |  浏览/下载:61/24  |  提交时间:2010/03/08
Universal thermodynamic model of calculating the mass action concentrations of omponents in a ternary strong electrolyte aqueous solution and its application in the NaCl-KCl-H2O system 期刊论文  OAI收割
JOURNAL OF UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING, 2008, 卷号: 15, 期号: 5, 页码: 543-551
作者:  
Zhao, Weijie;  Guo, Hanjie;  Yang, Xuemin;  Dan, Zhigang
收藏  |  浏览/下载:25/0  |  提交时间:2013/10/08
The Fourier transformation of X-ray diffraction profiles 期刊论文  OAI收割
ACTA METALLURGICA SINICA, 2002, 卷号: 38, 期号: 1, 页码: 109-112
作者:  
Liu, G;  Liang, ZD;  Lu, K
  |  收藏  |  浏览/下载:11/0  |  提交时间:2021/02/02