中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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浏览/检索结果: 共26条,第1-10条 帮助

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Path-following control of 4WIS/4WID autonomous vehicles considering vehicle stability based on phase plane 期刊论文  OAI收割
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING, 2024, 页码: 14
作者:  
Sun, Yang;  Wang, Chao;  Wang, Haiyang;  Tian, Bin;  Ning, Haonan
  |  收藏  |  浏览/下载:30/0  |  提交时间:2024/07/04
Crystal plane effect of ceria on supported copper catalyst for liquid-phase hydrogenation of unsaturated aldehyde 期刊论文  OAI收割
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2021, 卷号: 596
作者:  
Hu, Zhi;  Zou, Zidan;  Xie, Aidi;  Chen, Chun;  Zhu, Xiaoguang
  |  收藏  |  浏览/下载:73/0  |  提交时间:2021/05/31
The Scientific Information Model of Chang'e-4 Visible and Near-IR Imaging Spectrometer (VNIS) and In-Flight Verification 期刊论文  OAI收割
SENSORS, 2019, 卷号: 19, 期号: 12, 页码: 2806
作者:  
Li Chunlai;  Wang Zhendong;  Xu Rui;  Lv Gang;  Yuan Liyin
  |  收藏  |  浏览/下载:167/0  |  提交时间:2019/11/13
Wavefront reconstruction based on the Fresnel zone plane with hybrid focal lengths 期刊论文  OAI收割
OPTICS COMMUNICATIONS, 2018, 卷号: 425, 页码: 85-90
作者:  
Kong, Qingfeng;  Wang, Shuai;  Yang, Ping;  Yu, Xin;  Pang, Boqing
  |  收藏  |  浏览/下载:35/0  |  提交时间:2019/08/23
Atomistic study of abnormal grain growth structure in BaTiO3 by transmission electron microscopy and scanning transmission electron microscopy 期刊论文  OAI收割
Acta Materialia, 2013, 卷号: 61, 期号: 7, 页码: 2298-2307
S. J. Zheng; X. L. Ma; T. Yamamoto; Y. Ikuhara
收藏  |  浏览/下载:26/0  |  提交时间:2013/12/24
DESIGNING NANO-STRUCTURES OF BLOCK COPOLYMERS VIA COMPUTER SIMULATION 期刊论文  OAI收割
acta polymerica sinica, 2011, 期号: 9, 页码: 973-984
Li ZW; Jia XX; Zhang J; Sun ZY; Lu ZY
收藏  |  浏览/下载:24/0  |  提交时间:2012/06/08
The effect of different oriented sapphire substrates on the growth of polar and non-polar ZnMgO by MOCVD 期刊论文  OAI收割
journal of crystal growth, 2011, 卷号: 314, 期号: 1, 页码: 39-42
作者:  
Song HP;  Shi K;  Sang L;  Wei HY
收藏  |  浏览/下载:67/3  |  提交时间:2011/07/05
Mechanism of STED microscopy and analysis of the factors affecting resolution (EI CONFERENCE) 会议论文  OAI收割
6th International Symposium on Precision Engineering Measurements and Instrumentation, August 8, 2010 - August 11, 2010, Hangzhou, China
Yang P.; Ai H.
收藏  |  浏览/下载:23/0  |  提交时间:2013/03/25
Stimulated emission depletion (STED) microscopy exploits nonlinear saturable optical transition of fluorescent molecules  allowed to overcome Abbe's diffraction-limit and provides diffraction-unlimited resolution in far-field optical microscopy. We elaborate the mechanism of STED and the conditions of depletion. The formula of STED microcopy resolution is deduced through effective point spread function (E-PSF). The STED system resolution is mainly dominated by the quality of the fluorescence depletion patterns in the focal plane. The depletion pattern is mainly affected by STED beam intensity  polarization  phase plate  primary aberrations  STED pulse shape  pulse duration and delay time. In this paper  we found related models and simulate the relationship between the depletion patterns and the parameters  and put forward effective approach to enhance the system resolution. 2010 SPIE.  
Design and image restoration research of a cubic-phase-plate system (EI CONFERENCE) 会议论文  OAI收割
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, April 26, 2010 - April 29, 2010, Dalian, China
作者:  
Zhang J.;  Zhang J.;  Zhang J.;  Shi G.;  Zhang X.
收藏  |  浏览/下载:25/0  |  提交时间:2013/03/25
Wave-front coding technology is a novel jointly optical and digital imaging technology which can greatly extend the depth of focus of optical systems. The image restoration process is an important part of wave-front coding technology. Using wave-front coding makes the modulation transfer function(MTF) values of the optical systems change little over a range of several times the depth of focus  which means the system MTF is quite insensitive to defocus  and there is no zero in the passband. So we can design a single filter for the restoration of images in different defocus positions. However  it's hard to avoid noise during image acquisition and transmission processes. These noises will be amplified in the image restoration  especially in the high frequency part when the MTF drop is relatively low. The restoration process significantly reduces the system signal to noise ratio this way. Aimed at the problem of noise amplification  a new algorithm was proposed which incorporated wavelet denoising into the iterative steps of Lucy-Richardson algorithm. Better restoration results were obtained through the new algorithm  effectively solving the noise amplification problem of original LR algorithm. Two sets of identical triplet imaging systems were designed  in one of which the cubic-phase-plate was added. Imaging experiments of the manufactured systems were carried  and the images of a traditional system and a wave-front coded system before and after decoding were compared. The results show that the designed wave-front coded system can extend the depth of focus by 40 times compared with the traditional system while maintaining the light flux and the image plane resolution. 2010 Copyright SPIE - The International Society for Optical Engineering.  
High-performance soft x-ray spectromicroscopy beamline at SSRF (EI CONFERENCE) 会议论文  OAI收割
作者:  
Xue C.;  Chen J.;  Wang Y.;  Wang Y.;  Wang Y.
收藏  |  浏览/下载:34/0  |  提交时间:2013/03/25