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浏览/检索结果: 共13条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Effect of growth temperature on composition control for YBCO precursor films fabricated by vapor codeposition 会议论文  OAI收割 The 29th International Symposium on Rarefied Gas Dynamics, 中国陕西西安, 2014-07-13 作者:  Liu C(刘崇);  Wang LH(王连红);  Shu YH(舒勇华);  Fan J(樊菁) 收藏  |  浏览/下载：27/0  |  提交时间：2015/09/10 YBCO  altered  essentially  versatile  stick  pendent  temperate  desired  synthesize  inductively   Facile, one-pot solvothermal method to synthesize ultrathin Sb2S3 nanosheets anchored on graphene 期刊论文  OAI收割 dalton transactions, 2014, 卷号: 43, 期号: 37, 页码: 13948-13956 Lu, Baoping; Tang, Jilin 收藏  |  浏览/下载：38/0  |  提交时间：2015/10/19 Facile  one-pot solvothermal method to synthesize ultrathin Sb2S3 nanosheets anchored on graphene   A new approach to realize UART (EI CONFERENCE) 会议论文  OAI收割 2011 International Conference on Electronic and Mechanical Engineering and Information Technology, EMEIT 2011, August 12, 2011 - August 14, 2011, Harbin, China 作者:  Wang Y.;  Wang Y.;  Wang Y.;  Wang Y.;  Wang Y. 收藏  |  浏览/下载：35/0  |  提交时间：2013/03/25 In order to connect DSP which has synchronous serial ports to the devices implementing asynchronous communications protocol  a method to implement UART communications based on programmable logic device is proposed in the paper. In the proposed method  the core function of UART is integrated in CPLD with VHDL. Firstly  UART data frame format and operational principle of UART were introduced after reviewing some methods to realize UART. The methods to implement UART transmitter  UART receiver and baudrate generator using VHDL were illustrated in detail. Then pre-simulation and synthesize of VHDL program were executed. Finally  the test with bit error rate was carried out on physical system. Experimental results indicate that 75 percent of the GLB are used by UART  and the bit error rate is less than 109. The experiment was implemented utilizing the RS-422 protocol and the baudrate is 62.5kb/s. The proposed method can satisfy the system requirements of high integration  stabilization  low bit error rate  strong anti-jamming and low cost. 2011 IEEE.   HDR image synthesis based on multi-exposure color images 期刊论文  OAI收割 lecture notes in electrical engineering, 2011, 卷号: 132 lnee, 期号: vol 1, 页码: 117-123 WangHua; CaoJianzhong; TangLinao; TangYao 收藏  |  浏览/下载：22/0  |  提交时间：2012/06/29 color image processing  high dynamic range (HDR) image  image enhancement  multi-exposure images synthesize   A video synthesis method for flow patterns (EI CONFERENCE) 会议论文  OAI收割 2010 2nd IEEE International Conference on Network Infrastructure and Digital Content, IC-NIDC 2010, September 24, 2010 - September 26, 2010, Beijing, China 作者:  Chen J.;  Liu J.;  Yu D.;  Yu D.;  Li J. 收藏  |  浏览/下载：24/0  |  提交时间：2013/03/25 This paper presents a new video synthesis method for flow patterns. We can use it to synthesize video of natural phenomena that exhibit continuous flow patterns. It is based on flow-based video synthesis algorithm  and combines partial ideas of graph cuts algorithm. This algorithm can process input videos of natural phenomena of flow patterns (e.g. rivers  flames and waterfalls)  and synthesize more realistic and active seamless video of arbitrary length than other algorithms. It is simple to implement. The results show that our method can produce satisfactory effects based on user inputs. 2010 IEEE.   Orientation error analysis of alt-alt photoelectric telescope (EI CONFERENCE) 会议论文  OAI收割 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, November 19, 2008 - November 21, 2008, Chengdu, China 作者:  Wu X.-X. 收藏  |  浏览/下载：33/0  |  提交时间：2013/03/25 In order to ascertain the effects of main errors of alt-alt photoelectric telescope on measurement accuracy  orientation error is analyzed.For analyzing optical  mechanical and electrical errors from measured target to telescope picture  we construct 7 coordinates such as:the earth's core coordinate  alt-alt coordinate  etc.  carry through 21 times coordinate transformation  form measuring equation with 26 variables. and we utilize Monte Carlo method to calculate the orientation error  analyze the effects of errors upon pointing. The result indicates that the measuring error standard deviation of alt-alt telescope is minimum value about 10? at the zenith zone. and the deviation increases with the rotation angles of longitude and latitude axes. The model and the method not only can analyze and synthesize the main errors  but also provide a reference to the whole design. 2009 SPIE.   Contrast research on interpolation and subpixel imaging in CCD geometric superresolution reconstruction (EI CONFERENCE) 会议论文  OAI收割 1st Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics, PrimeAsia 2009, November 19, 2009 - November 21, 2009, Shanghai, China 作者:  Xu Y.-S.;  Yang S.-W. 收藏  |  浏览/下载：24/0  |  提交时间：2013/03/25 In order to enhance the resolution of Charge Coupled Device (CCD) pixel with the pixel dimension and focal length of optical system unchanged  the problem of CCD geometric superresolution is educed. The problem is discussed in terms of software and hardware. In software  the bicubic interpolation is introduced  while in hardware  the subpixel imaging method is utilized. The subpixel imaging method integrates two uniform linear CCDs staggered by half dimension of pixel in one device. In operation  the line frequency is doubled. At last  the collected data is interweaved to synthesize a high resolution image. The two methods  bicubic interpolation and subpixel imaging  are simulated with Matlab7.0.1. The qualitative and quantitative analyses are given. The simulated results of lanczos and cubic spline interpolation methods are given simultaneously to show the performance of interpolation. The simulation result shows that the result images quality becomes better in both methods  but compared with bicubic interpolation method  the synthesized image PSNR gained from sub-pixel imaging is averagely enhanced by 2.1682dB  while the elapsed time is reduced to be about one forth. The subpixel imaging method could significantly mitigate the image blur introduced by undersample. 2009 IEEE.   Tribological properties and worn surface analysis generated by ashless and phosphorus-free additive in water-based lubricant 期刊论文  OAI收割 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2009, 卷号: 223, 期号: J4, 页码: 723-728 作者:  Ma, H;  Ren, T;  Zhao, Y;  Zheng, L;  Ma, C 收藏  |  浏览/下载：9/0  |  提交时间：2016/06/28 water-based lubricant  synthesize  X-ray absorption near-edge structure  thriboheat  tribofilms   瓦山安息香中苯并呋喃促雌激素合成的机理研究 学位论文  OAI收割 博士, 2008 曾宏 收藏  |  浏览/下载：56/0  |  提交时间：2011/03/31 苯并呋喃  雌激素合成  芳香酶  作用机制  RNA干扰  雌激素受体  benzofuran  estrogen synthesize  Aromatase  mechanism  estrogen receptor  RNAi   Ordered porous films based on fluorinated polyimide derived from 2,2 '-bis(3,4-dicarboxyphenyl) hexafluoropropane dianhydride and 3,3 '-dimethyl-4,4 '-diaminodiphenylmethane 期刊论文  OAI收割 EUROPEAN POLYMER JOURNAL, 2007, 卷号: 43, 期号: 10, 页码: 4382-4388 作者:  Han, Xutong;  Tian, Ye;  Wang, Lihua;  Xiao, Changfa;  Liu, Biqian   |  收藏  |  浏览/下载：26/0  |  提交时间：2019/04/09 Ordered Porous Films  Fluorinated Polyimide  Highly Humid Atmosphere  Synthesize