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Gas-phase intramolecular hydroxyl-amino exchange of protonated arginine and verified by the synthetic intermediate compound 期刊论文  OAI收割
JOURNAL OF MASS SPECTROMETRY, 2018, 卷号: 53, 期号: 8, 页码: 700-704
作者:  
Cai, Tian;  Zhou, Jing;  Jiang, Yan;  Xie, Kexin;  Fang, Dongmei
  |  收藏  |  浏览/下载:62/0  |  提交时间:2020/12/24
The Research of real time auto-recognition of the moire fringe (EI CONFERENCE) 会议论文  OAI收割
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications, May 24, 2011 - May 26, 2011, Beijing, China
Wang M.-J.; Wu Z.-G.
收藏  |  浏览/下载:18/0  |  提交时间:2013/03/25
Measuring the movement of raster by the method of moire fringe has the advantage of high sensitivity  high resolution and non-contacted measurement. The characteristic of moire fringe is that the image is white alternate with black  the angle of the stripes is uniform  the width of the stripes is uniform  the terminators of the stripes aren't clear. A fast method that can figure out the width and angle of the moire fringe precisely is put forward in this paper. It calculates the angle the stripes firstly. According to the principle of the minimum mean squared error (MMSE)  the closer a series of data is  the smaller the value of the MMSE will be. The method is described as follows: It takes the image's center as the origin  180 beelines pass through the origin with the same angle interval. it calculates the value of the minimum mean squared error of the 180 beelines and find out the least one among those  then the angle of the moire fringe comes out primarily. In order to improving the calculating precision of moire fringe  60 equal angles are divided in the neighborhood of the angle  then a precise angle of moire fringe is calculated according to the principle of the MMSE. After getting out the angle of the moire fringe  we begin to calculate the width of moire fringe. A line vertical with the moire fringe is drawn  and we can get the width of the moire fringe by the vertical line. In order to get over the influence of the noise  an effective area with the shape of diamond is selected in the image. The data of area is accumulated and projected according to the direction of moire fringe  and a sine curve come out. The width of moire fringe can be obtained by getting the position of the first wave crest  the position of the last wave crest and the number of wave crest. Experiments prove that the precision of the method put forward in this paper is enhanced in comparison with the traditional frequency method  the precision of width calculation achieves to 99.6% according to the evaluation indicators of width detection error. The computing speed is boosted largely compared with traditional method  and it can achieve with 15 ms  that satisfying the demand of real time. 2011 SPIE.  
Application of multi-sensors parallel fusion system in photoelectric tracing (EI CONFERENCE) 会议论文  OAI收割
2008 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Applications, November 16, 2008 - November 19, 2008, Beijing, China
Cheng G.-Y.; Cai S.; Gao H.-B.; Zhang S.-M.; Qiao Y.-F.
收藏  |  浏览/下载:23/0  |  提交时间:2013/03/25
To solve the real-time and reliability problem of tracking servo-control system in optoelectronic theodolite  a multisensors parallel processing system was proposed. Misdistances of three different wavebands were imported into system  and then prediction was done in DSP1 to get the actual position information. Data fusion was accomplished in PPGA imported by multi channel buffer serial port. The compound position information was used to control the theodolite. The results were compared with external guide data in DSP2 to implement correction of above calculation  and then were imported to epistemic machine through PXI interface. The simulation experiment of each calculation unit showed that this system could solve the real-time problem of feature level data fusion. The simulation result showed that the system can satisfy the real-time requirement with 1.25ms in theodolite with three imaging systems  while sampling frequency of photoelectric encoder was 800 Hz. 2009 SPIE.  
A theoretical and experimental XAS study of monolayer dispersive supported CuO/gamma-Al2O3 catalysts 期刊论文  OAI收割
RADIATION PHYSICS AND CHEMISTRY, 2006, 卷号: 75, 期号: 11, 页码: 1921-1925
作者:  
Chen DL(陈栋梁);  Wu ZY(吴自玉);  Chen, DL;  Wu, ZY
收藏  |  浏览/下载:18/0  |  提交时间:2016/06/29
XANES quantitative structural determination of the sandwich bis(naphthalocyaninato) cerium complex 期刊论文  OAI收割
JOURNAL OF SYNCHROTRON RADIATION, 2005, 卷号: 12, 期号: 1, 页码: #REF!
作者:  
Wu, ZY;  Tao, Y;  Benfatto, M;  Xian, DC;  Jiang, JZ
收藏  |  浏览/下载:9/0  |  提交时间:2016/04/12
Topics on microstructure researches in TiAl intermetallics using atomic scale observation and computational simulation 期刊论文  OAI收割
International Journal of Materials & Product Technology, 2001, 页码: 13-22
L. L. He; L. G. Zhou; R. Yu; L. Dong; H. Q. Ye
收藏  |  浏览/下载:11/0  |  提交时间:2012/04/14