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浏览/检索结果: 共10条，第1-10条 帮助

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Tuning of polymer-wall surface components and its effect on the optoelectronic performance of liquid crystal devices with polymer walls 期刊论文  OAI收割
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2022
作者:  Xia, Xiang;  Liang, Yuge;  Liu, Xuelian;  Yang, Le;  Zhu, Jun
  |  收藏  |  浏览/下载：30/0  |  提交时间：2022/12/22
Fabrication of high-quality silver nanowire conductive film and its application for transparent film heaters 期刊论文  OAI收割
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 2021, 卷号: 71, 页码: 221-227
作者:  Zheng, Boda;  Zhu, Qingsheng;  Zhao, Yang
  |  收藏  |  浏览/下载：31/0  |  提交时间：2021/10/15
Metal Halide Perovskites Functionalized by Patterning Technologies 期刊论文  OAI收割
ADVANCED MATERIALS TECHNOLOGIES, 2020, 页码: 18
作者:  Huang, Xiongjian;  Xiao, Xiudi;  Dong, Guoping
  |  收藏  |  浏览/下载：38/0  |  提交时间：2020/10/30
Passivating Crystal Boundaries with Potassium-Rich Phase in Organic Halide Perovskite 期刊论文  OAI收割
SOLAR RRL, 2019, 卷号: 3, 期号: 5, 页码: -
作者:  Kuai, L;  Wang, YS;  Zhang, ZX;  Yang, YG;  Qin, YS
  |  收藏  |  浏览/下载：31/0  |  提交时间：2020/10/16
Ultraviolet photodetectors based on wide bandgap oxide semiconductor films 期刊论文  OAI收割
Chinese Physics B, 2019, 卷号: 28, 期号: 4, 页码: 11
作者:  C.Q.Zhou;  Q.Ai;  X.Chen;  X.H.Gao;  K.W.Liu
  |  收藏  |  浏览/下载：23/0  |  提交时间：2020/08/24
Feedforward Control Based on Error and Disturbance Observation for the CCD and Fiber-Optic Gyroscope-Based Mobile Optoelectronic Tracking System 期刊论文  OAI收割
ELECTRONICS, 2018, 卷号: 7, 期号: 10, 页码: 223
作者:  Yong Luo;  Wei Ren;  Yongmei Huang;  Qiunong He;  Qiongyan Wu
  |  收藏  |  浏览/下载：55/0  |  提交时间：2019/08/23
High-performance phototransistor based on individual high electron mobility MnWO4 nanoplate 期刊论文  OAI收割
JOURNAL OF ALLOYS AND COMPOUNDS, 2018, 卷号: 762, 页码: 933-940
作者:  Zhang, XL;  Jiang, YA;  Liu, BD;  Yang, WJ;  Li, J
  |  收藏  |  浏览/下载：29/0  |  提交时间：2018/12/25
Synthesis and Physical Properties of the Conjugated Dendrons Bearing Twisted Acenes Used in Solution Processing of Organic Light-Emitting Diodes 期刊论文  OAI收割
acs applied materials & interfaces, 2013, 卷号: 5, 期号: 21, 页码: 11136-11141
Liu ZY; Xiao JC; Fu Q; Feng HR; Zhang XM; Ren TJ; Wang SJ; Ma DG; Wang XF; Chen H
收藏  |  浏览/下载：29/0  |  提交时间：2014/04/15
System identification of tracking error and evaluation of tracking performance using BP neural network (EI CONFERENCE) 会议论文  OAI收割
International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, June 17, 2009 - June 19, 2009, Beijing, China
Zhang N.; Shen X.-H.
收藏  |  浏览/下载：20/0  |  提交时间：2013/03/25
A novel approach for evaluating the tracking performance of optoelectronic theodolite is proposed. First  an equivalent mathematic model of tracking error is established. Then  the equivalent sine signal is inputted to the equivalent model  and the outputs are sampled. The results of evaluating the tracking performance are obtained based on the statistical calculation of output produced by equivalent model. Equivalent model using the BP (Backprogration) neural network structure is identified. The training method of BP neural network adopts the LM (Levenberg-Marquardt) algorithm for the sake of speeding up training process. The BP neural network is trained and tested by using the training and testing samples gotten from the simulation model of optoelectronic theodolite tracking system under MATLAB/SIMULINK. The estimate errors of equivalent model including average error  maximum error and standard error are 2.5872e-0060  2.8 and 1.9. The results show that the equivalent model identified based on BP neural network meets the needs of evaluating the tracking performance of optoelectronic theodolite. The accurate evaluation of tracking performance is achieved. 2009 SPIE.  
Study on bandwidth mutual-benefit between the azimuth and pitch in an optoelectronic tracking system (EI CONFERENCE) 会议论文  OAI收割
MEMS/MOEMS Technologies and Applications III, November 12, 2007 - November 14, 2007, Beijing, China
作者:  Guo J.;  Guo J.;  Chen J.
收藏  |  浏览/下载：16/0  |  提交时间：2013/03/25
Two-axis optoelectronic tracking equipments generally use such mode that azimuth and pitch system are independently controlled. It leads to the two structures completely uncoupled  therefore  and reduces the state space dimension. But the main problem is that the rotational inertia of azimuth is much larger than that of pitch  it is an effective control mode to the two-axis photoelectric tracking equipments.  which leads its dynamic tracking performance is worse. So to find a more suitable mechanics and more effective control strategy is necessary. Considering the tracking ability  this paper designs BMC (bandwidth mutual compensation) to uniformly correct the error of both the azimuth and pitch system in real time  it is realized by cross coupling control to the azimuth and pitch. The simulation result verified that compared with classical uncoupling system BMS not only guarantees the state space dimension but improves systematic tracking performance about 2