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长春光学精密机械与... [84]

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限定条件	内容类型：会议论文专题：长春光学精密机械与物理研究所第一署名单位第一作者单位通讯作者单位

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	High efficiency abrasive waterjet dressing of diamond grinding wheel 会议论文 17th International Symposium on Advances in Abrasive Technology, ISAAT 2014, September 22, 2014 - September 25, 2014, Kailua, HI, United states Yao P.; Wei W.; Huang C. Z.; Wang J.; Zhu H. T.; Zhang Z. Y. 收藏 \| 浏览/下载：112/0 \| 提交时间：2015/04/27
	Research and optimization on media access control delay of CAN (EI CONFERENCE) 会议论文 2012 International Conference on Information Technology and Management Innovation, ICITMI 2012, November 10, 2012 - November 11, 2012, Guangzhou, China Zhang H.; Zhang W.; Han X. 收藏 \| 浏览/下载：17/0 \| 提交时间：2013/03/25 With data quantity increasing dramatically and signal transmission period becoming more and more fast the media access control delay has proved to be one of the main influence factors of CAN network real-time. Firstly an equivalent numerical simulation model of CAN bus network is built to derivate the mathematical expression of media access control delay. Secondly optimization measures are further proposed to improve the data communication real-time. At last the optimization measures tested by experiments are proved to be correct and effective. (2013) Trans Tech Publications Switzerland.
	Research and optimization on media access control delay of CAN 会议论文 2012 International Conference on Information Technology and Management Innovation, ICITMI 2012, November 10, 2012 - November 11, 2012, Guangzhou, China Zhang H.; Zhang W.; Han X. 收藏 \| 浏览/下载：10/0 \| 提交时间：2014/05/15
	Determination of Director Profile in the Vertical Alignment Nematic Liquid Crystal Cell by the Full Leaky Guided Mode Technique 会议论文 2012 Xing H. Y.; Ye W. J.; Wu N. F.; Si L. B.; Zhang Z. D. 收藏 \| 浏览/下载：8/0 \| 提交时间：2013/03/28
	A sub-pixel extraction method for the center of the circular structure from spot array calibration target (EI CONFERENCE) 会议论文 2012 3rd International Conference on Information Technology for Manufacturing Systems, ITMS 2012, September 8, 2012 - September 9, 2012, Qingdao, China Liu Y.; Gao X.; Xu C.; Fu W.; Teng Y.; Yang H.; Zhang T. 收藏 \| 浏览/下载：65/0 \| 提交时间：2013/03/25 The imaging measurement system must be calibrated before application. In calibration procedure sub-pixel center extraction is the crucial step for the final accuracy. In this paper a new sub-pixel extraction method is proposed. Edge detection at pixel level is obtained using LOG operator then sub-pixel edge detection is realized using the Facet model. Finally the least squares ellipse fitting is operated on the sub-pixel edge to determine the sub-pixel center. Experiment on a series of simulated images indicates that this algorithm is able to realize the center location accuracy of 0.01-0.02 pixel and meets the requirement of sub-pixel level. (2012) Trans Tech Publications Switzerland.
	Observation of total solar irradiance (EI CONFERENCE) 会议论文 2012 World Automation Congress, WAC 2012, June 24, 2012 - June 28, 2012, Puerto Vallarta, Mexico Cheng Y.; Fang W.; Zhang H.; Wang K.; Chen Y. 收藏 \| 浏览/下载：22/0 \| 提交时间：2013/03/25 Since 1978 7 independent experiments (Nimbus-7/ERB SMM/ACRIM I ERBS/ERBE UARS/ACRIM II SOHO/VIRGO ACRIMSAT/ACRIM III and EOS/SORCE) started in succession for long-term monitoring total solar irradiance. These experiments are described and 3 TSI composites constructed by the datasets of these experiments are introduced. The differences of the original data composite approach and trend of the 3 TSI composites are shown. The argument of the different trends of the 3 TSI composites is discussed and a conclusion is gotten that low accuracy low quality and the relative shortage of the early TSI measurement data are the substantial reasons of the differences among the 3 TSI composites. 2012 TSI Press.
	Effect of adding Cr on magnetic properties and metallic behavior in MnTe film (EI CONFERENCE) 会议论文 Wang Z. H.; Geng D. Y.; Gong W. J.; Li J.; Li Y. B.; Zhang Z. D. 收藏 \| 浏览/下载：35/0 \| 提交时间：2013/03/25 Mn1 - xCrxTe films with x = 0 0.02 and 0.05 was synthesized by pulsed laser deposition and crystallize in hexagonal NiAs-type structure. The spin glass behavior predicted before by Monte Carlo calculation is observed in the MnTe film. This behavior is destroyed by adding Cr in the MnTe film. The temperature dependence of magnetization shows a sharp rise at around 66 K due to the magneto-elastic coupling. Metallic behavior is observed in the MnTe film in the temperature range 120-220 K which is ascribed to the magnetic ordering. The metallic behavior disappears with adding Cr because adding Cr ions destroys the magnetic ordering which is mediated by the sp-d exchange interaction between the Cr ions. 2012 Elsevier B.V.
	Observation of Total Solar Irradiance 会议论文 2012 Cheng Y. Q.; Fang W.; Zhang H.; Wang K.; Chen Y. P.; Ieee 收藏 \| 浏览/下载：7/0 \| 提交时间：2013/03/28
	The design of computer-generated holograms for testing unsymmetrical optical surfaces (EI CONFERENCE) 会议论文 2012 International Symposium on Photonics and Optoelectronics, SOPO 2012, May 21, 2012 - May 23, 2012, Shanghai, China Xu Y.; Lin H.; Zhu W.; Zhang Y.; Zhang X. 收藏 \| 浏览/下载：15/0 \| 提交时间：2013/03/25 It is a technical difficulty to test the unsymmtrical optical surfaces in non-contact methods. But we can do it using computer-generated holograms (CGH). The principle and design of the CGH have been discussed in the paper. Take the cubic suface as an example The order separation of the CGH is analyzed theoretically and the simulation result of the order separation is given in the paper. We develop the binary process of the continuous CGH phase function and get the sample of the amplitude CGH. A CGH for testing a cubic phase plate with duty cycle 0.5 is fabricated by using e-beam lithographic techniques. In this situation the contrast of the interference fringe pattern can achieve a level of 99.4% by calculation. 2012 IEEE.
	A comparison of hardware implementation of BP neural network based on NIOS II single-core and multi-core processor (EI CONFERENCE) 会议论文 2011 International Conference on Electric Information and Control Engineering, ICEICE 2011, April 15, 2011 - April 17, 2011, Wuhan, China Zhang W.; Dai M.; Zhang H. 收藏 \| 浏览/下载：12/0 \| 提交时间：2013/03/25 The hardware implementation of neural network at present is introduced in this paper. And then implementations of neural network based on NIOS II single-core and multi-core processor are compared. At last the results of two methods are given taking BP network fitting sine curve for example. 2011 IEEE.

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