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Real-time rapid prediction of variations of Earth's rotational rate 期刊论文  OAI收割
CHINESE SCIENCE BULLETIN, 2008, 卷号: 53, 期号: 7, 页码: 969-973
作者:  Wang QiJie;  Liao DeChun;  Zhou YongHong
收藏  |  浏览/下载：28/0  |  提交时间：2010/07/30
Real-time rapid prediction of variations of earth's rotational rate 期刊论文  iSwitch采集
Chinese science bulletin, 2008, 卷号: 53, 期号: 7, 页码: 969-973
作者:  Wang QiJie;  Liao DeChun;  Zhou YongHong
收藏  |  浏览/下载：30/0  |  提交时间：2019/05/10
Real-time rapid prediction of variations of Earth's rotational rate 期刊论文  OAI收割
CHINESE SCIENCE BULLETIN, 2008, 卷号: 53, 期号: 7, 页码: 969
作者:  Wang QiJie;  Liao DeChun;  Zhou YongHong
  |  收藏  |  浏览/下载：23/0  |  提交时间：2021/12/06
Research on 10.6 m laser beam monitoring in CO2 laser processing system (EI CONFERENCE) 会议论文  OAI收割
Infrared Materials, Devices, and Applications, November 12, 2007 - November 15, 2007, Beijing, China
作者:  Gao Y.;  Shao S.
收藏  |  浏览/下载：26/0  |  提交时间：2013/03/25
It is a key point of CO2 laser beam monitoring in the CO 2 laser processing system to achieve alignment between CO2 laser and PL (pointing and launching) system. By monitoring the angle offset of CO2 laser beam  the compensation can be gotten witch is given to fast-steering mirror to rectify the direction of laser beam. But the normal photoelectric detector can not get the laser signal because of CO2 laser's high energy and long wavelength. Its wavelength is 10.6m and its power can reach kW level. Consequently  it is difficult to detect the high-energy 10.6m laser beam directly. So  we monitored the output mirror of laser resonator superseded the laser beam  indirectly. The laser beam monitoring system could be designed based on CCD laser auto-collimation angular measurement principle and image processing method. In this paper  application of CCD laser auto-collimation angular measurement principle and image processing method for CO2 laser beam monitoring system is introduced particularly  After design  fabrication and alignment  the monitoring system can be used for experimental study that including angular measurement accuracy and angle offset measurement of CO2 laser beam. Angle offset range and angle variation rule of CO2 laser beam is also can be acquired for further research.  
Angular variation of remote-sensing reflectance and the influence of particle phase functions 会议论文  OAI收割
Igarss 2004: Ieee International Geoscience and Remote Sensing Symposium Proceedings, Vols 1-7: Science for Society: Exploring and Managing a Changing Planet, New York
Du, KP; Zhao, F; He, MX; Liu, ZS; Lee, ZP; Carder, KL
收藏  |  浏览/下载：22/0  |  提交时间：2014/12/07
Earth rotation and ENSO events: combined excitation of interannual LOD variations by multiscale atmospheric oscillations 期刊论文  OAI收割
GLOBAL AND PLANETARY CHANGE, 2003, 卷号: 36, 期号: 1-2, 页码: 89-97
作者:  Zheng, DW;  Ding, XL;  Zhou, YH;  Chen, YQ
收藏  |  浏览/下载：38/0  |  提交时间：2015/08/05
Wavelet analysis of interannual LOD, AAM, and ENSO: 1997-98 El Nino and 1998-99 La Nina signals 期刊论文  OAI收割
JOURNAL OF GEODESY, 2001, 卷号: 75, 期号: 2-3, 页码: 164-168
作者:  Zhou, YH;  Zheng, DW;  Liao, XH
收藏  |  浏览/下载：34/0  |  提交时间：2015/11/09
Excitation of seasonal polar motion by atmospheric and oceanic angular momentums 期刊论文  OAI收割
PROGRESS IN NATURAL SCIENCE, 2000, 卷号: 10, 期号: 12, 页码: 931-936
作者:  Zhou, YH;  Wu, HQ;  Yu, NH;  Zheng, DW
收藏  |  浏览/下载：12/0  |  提交时间：2010/07/30
A new Delta LOD series in monthly intervals (1892.0-1997.0) and its comparison with other geophysical results 期刊论文  OAI收割
JOURNAL OF GEODESY, 1999, 卷号: 73, 期号: 9, 页码: 466-477
作者:  Liao, DC;  Greiner-Mai, H
收藏  |  浏览/下载：32/0  |  提交时间：2015/09/02
Contribution of new AAM data source to Delta LOD excitation 期刊论文  OAI收割
JOURNAL OF GEODESY, 1999, 卷号: 73, 期号: 8, 页码: 385-390
作者:  Yu, N;  Zheng, D;  Wu, H
收藏  |  浏览/下载：24/0  |  提交时间：2015/09/02
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