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Collaborations of China with the world in Synbio 期刊论文
Frontiers of Chemical Science and Engineering, 2017, 卷号: 第11卷, 页码: P1-2
作者:  Zhang Guizhong Xiang Wanghua
收藏  |  浏览/下载:3/0  |  提交时间:2019/11/26
A New Nonlinear Chirp Scaling Algorithm for High-Squint High-Resolution SAR Imaging 期刊论文
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, 2017, 卷号: 14, 页码: 2225-2229
作者:  Wang, Yan;  Li, Jingwen;  Xu, Feng;  Yang, Jian
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/30
Analysis of the Spectrum Distortions of Weak Fiber Bragg Gratings Fabricated In-Line on a Draw Tower by the Phase Mask Technique 期刊论文
Journal of Lightwave Technology, 2015, 卷号: 33, 期号: 12, 页码: 2670-2673
作者:  Zheng, Yu*;  Yu, Haihu;  Guo, Huiyong;  Li, Xiaofu;  Jiang, Desheng
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/04
Imaging method for highly squinted synthetic aperture radar with under-sampled echo data 期刊论文
JOURNAL OF APPLIED REMOTE SENSING, 2015, 卷号: 9
作者:  Gu, Fu-fei;  Zhang, Qun;  Chen, Yong-an;  Luo, Ying
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/19
An imaging algorithm for missile-borne SAR with downward movement based on variable decoupling 期刊论文
Acta Physica Sinica, 2014, 卷号: Vol.63 No.7
作者:  Xu, R.a;  Jia, G.-Y.a;  Liu, C.-L.a,b,c
收藏  |  浏览/下载:3/0  |  提交时间:2019/11/21
Role of chirp in spatiotemporal modulation instability of broadbandpulsed laser 期刊论文
JOURNAL OF OPTICS, 2011, 卷号: Vol.13 No.1
作者:  Zhang, LF;  Fu, XQ;  Deng, JQ;  Zhang, J;  Wen, SC
收藏  |  浏览/下载:2/0  |  提交时间:2020/01/05
Numerical simulation of internal waves propagation in deep sea by nonlinear Schrodinger equation 期刊论文
ACTA PHYSICA SINICA, 2010, 卷号: 59, 期号: 9, 页码: 6339-6344
作者:  Song Shi-Yan;  Wang Jing;  Wang Jian-Bu;  Song Sha-Sha;  Meng Jun-Min
收藏  |  浏览/下载:3/0  |  提交时间:2019/08/19
Numerical simulation of internal waves propagation in deep sea by nonlinear Schrodinger equation 期刊论文
ACTA PHYSICA SINICA, 2010, 卷号: 59, 期号: 9, 页码: 6339-6344
作者:  Song Shi-Yan;  Wang Jing;  Wang Jian-Bu;  Song Sha-Sha;  Meng Jun-Min
收藏  |  浏览/下载:2/0  |  提交时间:2018/12/07
Ultra-short optical pulse source based on LiNbO/sub 3/ modulators 期刊论文
2010, 2010
Zhou Hong-bo; Lou Cai-yun
收藏  |  浏览/下载:2/0
Chirp estimation of PZT for integrating-bucket method (EI CONFERENCE) 会议论文
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, April 26, 2010 - April 29, 2010, Dalian, China
Zhang J.; Shi Z.; Miao E.; Gu Y.; Liu W.
收藏  |  浏览/下载:16/0  |  提交时间:2013/03/25
The nonlinear response of the PZT for the integrating bucket method is studied by our proposed method: discrete chirp Fourier transform (DCFT) and maximum likelihood estimation (MLE) techniques for the integrating bucket method. Based on the signal processing theory  the intensity obtained from CCD is processed by the DCFT and thus nonlinear response and chirp coefficient of the PZT can be coarsely estimated. This is followed by the MLE method  in which an iterative optimization process is complemented for accurately estimating the nonlinear response and chirp coefficient of the PZT. One key advantage of the proposed method is that not only the nonlinear response and chirp coefficient of the PZT can be acquired  but also initial phase acquired. Our method is tested by simulating conditions under which a certain magnitude of nonlinearity is assumed. Nonlinear response attained by the DCFT is compared to that attained by the MLE  and a difference between the actual nonlinear response of the PZT and our accurate estimation by the proposed method is revealed. Several factors that will have influence on the nonlinear response of the PZT are discussed. 2010 Copyright SPIE - The International Society for Optical Engineering.  


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