中国科学院机构知识库网格系统: 检索

Field-line coupling interference prediction of LCD module in high-power TEA CO2 laser system (EI CONFERENCE) 会议论文 OAI收割
2012 International Conference on Optoelectronics and Microelectronics, ICOM 2012, August 23, 2012 - August 25, 2012, Changchun, China
Ge X.; Li X.

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In high power TEA CO2 laser system liquid crystal display (LCD) module is a key device for display and control functions. Because of laser's harsh electromagnetic environment LCD module coupled to the electromagnetic interference easily leading to not work normally. This paper analyzed the interference coupling mechanism. On the basis of the analysis results LCD module's field-line coupling is calculated by Taylor form's BLT equation. The calculation result is verified by experiment. The results show that due to the field-line coupling the data line of LCD module existed interference voltage interference voltage value is 1V. The interference voltage is larger than the LCD module's noise margin. LCD module must shield the interference. 2012 IEEE.

The ship-borne infrared searching and tracking system based on the inertial platform (EI CONFERENCE) 会议论文 OAI收割
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, May 24, 2011 - May 24, 2011, Beijing, China
作者: Li Y.; Zhang H.; Zhang H.; Li Y.; Li Y.

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As a result of the radar system got interferenced or in the state of half silent it can cause the guided precision drop badly In the modern electronic warfare therefore it can lead to the equipment depended on electronic guidance cannot strike the incoming goals exactly. It will need to rely on optoelectronic devices to make up for its shortcomings but when interference is in the process of radar leading especially the electro-optical equipment is influenced by the roll pitch and yaw rotation it can affect the target appear outside of the field of optoelectronic devices for a long time so the infrared optoelectronic equipment can not exert the superiority and also it cannot get across weapon-control system "reverse bring" missile against incoming goals. So the conventional ship-borne infrared system unable to track the target of incoming quickly the ability of optoelectronic rivalry declines heavily.Here we provide a brand new controlling algorithm for the semi-automatic searching and infrared tracking based on inertial navigation platform. Now it is applying well in our XX infrared optoelectronic searching and tracking system. The algorithm is mainly divided into two steps: The artificial mode turns into auto-searching when the deviation of guide exceeds the current scene under the course of leading for radar.When the threshold value of the image picked-up is satisfied by the contrast of the target in the searching scene the speed computed by using the CA model Least Square Method feeds back to the speed loop. And then combine the infrared information to accomplish the closed-loop control of the infrared optoelectronic system tracking. The algorithm is verified via experiment. Target capturing distance is 22.3 kilometers on the great lead deviation by using the algorithm. But without using the algorithm the capturing distance declines 12 kilometers. The algorithm advances the ability of infrared optoelectronic rivalry and declines the target capturing time by using semi-automatic searching and reliable capturing-tracking when the lead deviation of the radar is great. 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).

Experiment analysis of CO2 laser disturbance on long-wave infrared HgCdTe detector (EI CONFERENCE) 会议论文 OAI收割
2011 International Conference on Electric Information and Control Engineering, ICEICE 2011, April 15, 2011 - April 17, 2011, Wuhan, China
作者: Wang S.-W.

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Theoretical analysis and experimental study were carried out on the high-power CO2 laser disturbance to long-wave infrared (LWIR) HgCdTe detector in this paper. Based on the practical parameters of experiment the theoretical model of temperature-rise is adopted to calculate the variation of the temperature with the time and the power of laser for laser irradiation on the detector. After that the damage threshold is 110W/cm2. This experimental phenomenon well agrees with the results predicted by the theoretical calculation. The conclusions have a certain reference value for the laser defense of detector. 2011 IEEE. the high-power laser damage mechanism to LWIR detector is discussed and compares with the experimental results of laser irradiation the detector on the distance of 15km. The theoretical and experimental results demonstrate that the interference threshold of the detector is 20.5W/cm 2

Research of improving the accuracy of license plate character segmentation (EI CONFERENCE) 会议论文 OAI收割
5th International Conference on Frontier of Computer Science and Technology, FCST 2010, August 18, 2010 - August 22, 2010, Changchun, China
作者: Zhu Y.

收藏 | 浏览/下载：27/0 | 提交时间：2013/03/25

In order to improve the accuracy of license plate character segmentation use line-shape filter to remove plate frames. Then character segmentation approach combines projection and inherent characteristics of character this paper strengthens preprocessings before segmentation. In character binarization can better solve character adhesion and fracture problem. For tilted characters only in horizontal direction use improved Bemsen method to reduce noise interference even without tilt correction this method can achieve better segmentation. Experiment results shows the accuarcy of character segmentation reaches 97%. 2010 IEEE.

Measurement of Einstein-Podolsky-Rosen-type flavor entanglement in Y(4S) -> B-0(B)over-bar0 decays 期刊论文 OAI收割
PHYSICAL REVIEW LETTERS, 2007, 卷号: 99, 期号: 13
作者: Belle Collaboration

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PARTICLE PHYSICS QUANTUM-MECHANICS BELL INEQUALITY EPR EXPERIMENT B-MESONS VIOLATION NONSEPARABILITY INTERFERENCE PHOTONS SYSTEM

Measurement of the exclusive light hadron decays of the psi '' in e(+)e(-) experiments 期刊论文 iSwitch采集
International journal of modern physics a, 2006, 卷号: 21, 期号: 25, 页码: 5163-5185
作者: Wang, P.; Mo, X. H.; Yuan, C. Z.

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Psi '' exclusive decay Interference Monte carlo simulation E(+)e(-) experiment

The differential interference angle of Lambda-related quantum interference of (II)-I-1-state diatom 期刊论文 OAI收割
acta physico-chimica sinica, 2006, 卷号: 22, 期号: 5, 页码: 602-607
作者: Li Yong-Qing; Li Jian; Song Peng; Ma Feng-Cai

收藏 | 浏览/下载：29/0 | 提交时间：2015/11/11

quantum interference collision-induced rotational energy transfer differential interference angle anisotropic Lennard-Jones interaction potential Experiment of the molecular beam

Method for the fabrication of isometric mesh on the concave of a spherical substrate (EI CONFERENCE) 会议论文 OAI收割
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies - Advanced Optical Manufacturing and Testing Technologies, November 2, 2005 - November 5, 2005, Xian, China
作者: Feng X.-G.

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Metallic mesh has been widely used in electromagnetic interference windows. While the duty ratio of curved mesh equals to planar mesh' the theory of planar mesh may be applied to curved mesh according to equivalent-circuit model. So the idea that latitude lines intersect latitude lines to form isometric mesh on the concave of a sphere is put forward and the method of fabricating the mesh by concentric optical scan is introduced. The movement parts of equipment consist of an erection turning a horizontal dividing and a pitching dividing spindle. Firstly a spherical substrate is fixed on the horizontal dividing spindle that has been set horizontally on the erect turning spindle the substrate revolves around the axis of the erect spindle the tube of object lens that is fixed on the pitching dividing spindle steps at pitching direction and a revolving circuit of the substrate corresponds to a step of the tube. Gradually a set of latitude lines is attained. Afterward the substrate makes a quarter turn around the horizontal spindle another orientation latitude lines are also gained. Thus the isometric mesh on the concave of a spherical substrate is gained. The process comprises surface cleaning coating photoresist laser direct writing development evaporated film dissolving photoresist and plating. The fabricated spherical mesh has a line width of 7 m and a period of 600m. Experiment shows that infrared transmission and electromagnetism shield efficiency of the metallic mesh are relatively consistent with theoretical value.

Measurement of the exclusive light hadron decays of the psi '' in e(+)e(-) experiments 期刊论文 OAI收割
INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2006, 卷号: 21, 期号: 25, 页码: 5163-5185
作者: 王平(实); Mo XH(莫晓虎); Yuan ZZ(苑长征); Wang, P; Mo, XH

收藏 | 浏览/下载：27/0 | 提交时间：2016/06/29

psi '' exclusive decay interference Monte Carlo simulation e(+)e(-) experiment

The effect of transparent film on its surface 3-D mapping by using vertical scanning white light interferometer (EI CONFERENCE) 会议论文 OAI收割
ICO20: Optical Devices and Instruments, August 21, 2005 - August 26, 2005, Changchun, China
Wu X.; Lei F.; Yatagai T.

收藏 | 浏览/下载：17/0 | 提交时间：2013/03/25

We have investigated the effect of transparent thin film while mapping its surface profile by using vertical scanning white light interferometer. Our theory analysis showed that multiple reflections taking place within the transparent thin film result in an extra phase change. The simulation and experiment results revealed that this extra phase change is also related to the thickness of thin film the numerical number of microscope interferometer objective and the spectral distribution of light source. As a result of extra phase change the interferogram has some deviation in its shape or two interference fringes may appears while the thickness of thin film is large.