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浏览/检索结果: 共13条，第1-10条 帮助

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针对eLORAN系统窄带干扰的权函数陷波算法 期刊论文  OAI收割
电子与信息学报, 2023, 卷号: 45, 期号: 3, 页码: 996
作者:  刘时尧;  华宇;  张首刚
  |  收藏  |  浏览/下载：9/0  |  提交时间：2023/12/13
A 14-Pole Dual-Band High Temperature Superconducting Filter Including Narrow Bandstop Notches 期刊论文  OAI收割
JOURNAL OF LOW TEMPERATURE PHYSICS, 2021, 卷号: 204
作者:  Yu, Xiao;  Xi, Weibin;  Yan, Peiguang
  |  收藏  |  浏览/下载：27/0  |  提交时间：2021/08/30
A novel phase-locked loop applied on frequency fluctuation of EAST power supply 期刊论文  OAI收割
ENERGY REPORTS, 2020, 卷号: 6
作者:  Tan, Liang;  Fu, Peng;  Wu, Yanan;  Lu, Jing;  Shen, Xianshun
  |  收藏  |  浏览/下载：20/0  |  提交时间：2021/03/15
Research on Large Caliber FSM Digital Control System Based on Voice Coil Motor 会议论文  OAI收割
Chengdu, China, 2019-12-20
作者:  Cao, Yu;  Wang, Haitao;  Lv, Tao;  Wang, Rui;  Jing, Feng
  |  收藏  |  浏览/下载：73/0  |  提交时间：2020/03/23
A hybrid control strategy for the optoelectronic stabilized platform of a seeker 期刊论文  OAI收割
Optik, 2019, 卷号: 181, 页码: 1000-1012
作者:  M.Y.Zhang;  H.Liu;  H.W.Zhang;  X.K.Miao
  |  收藏  |  浏览/下载：34/0  |  提交时间：2020/08/24
Design of High-Temperature Superconducting Wideband Bandpass Filter With Narrow-Band Notch Resonators for Radio Telescope Application 期刊论文  OAI收割
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2017, 卷号: 27, 期号: 4, 页码: 1501704
作者:  Liu, Haiwen;  Rao, Lingxin;  Xu, Yichen;  Wen, Pin;  Ren, Baoping
收藏  |  浏览/下载：45/0  |  提交时间：2017/05/03
Comparison of Methods for Estimating Fractional Cover of Photosynthetic and Non-Photosynthetic Vegetation in the Otindag Sandy Land Using GF-1 Wide-Field View Data 期刊论文  OAI收割
REMOTE SENSING, 2016, 卷号: 8, 期号: 10
作者:  Li, Xiaosong;  Zheng, Guoxiong;  Wang, Jinying;  Ji, Cuicui;  Sun, Bin
收藏  |  浏览/下载：30/0  |  提交时间：2017/04/24
Active robust control of uncertainty and flexibility suppression for air-breathing hypersonic vehicles 期刊论文  OAI收割
AEROSPACE SCIENCE AND TECHNOLOGY, 2015, 卷号: 42, 页码: 429-441
作者:  Pu, Zhiqiang;  Yuan, Ruyi;  Tan, Xiangmin;  Yi, Jianqiang;  Zhiqiang Pu
收藏  |  浏览/下载：18/0  |  提交时间：2015/09/21
Varactor-Tuned Narrow-Band High Temperature Superconducting Notch Filter 期刊论文  OAI收割
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2014, 卷号: 24, 期号: 5
Wang, J; Li, CG; Wang, X; Li, N; Bian, YB; Li, GQ; Wu, Y; Xia, FJ; Bai, DD; Zhang, XQ; Sun, L; Li, H; He, YS
收藏  |  浏览/下载：23/0  |  提交时间：2015/04/14
Adaptive Wiener filtering with Gaussian fitted point spread function in image restoration (EI CONFERENCE) 会议论文  OAI收割
2011 IEEE 2nd International Conference on Software Engineering and Service Science, ICSESS 2011, July 15, 2011 - July 17, 2011, Beijing, China
作者:  Yang L.;  Zhang X.;  Zhang X.;  Zhang X.;  Yang L.
收藏  |  浏览/下载：40/0  |  提交时间：2013/03/25
In the imaging process of the space remote sensing camera  there was degradation phenomenon in the acquired images. In order to reduce the image blur caused by the degradation  the remote sensing images were restored to give prominence to the characteristic objects in the images. First  the frequency-domain notch filter was adopted to remove strip noises in the images. Then using the ground characters with the knife-edge shape in the images  the point spread function of the imaging system was estimated. In order to improve the accuracy  the estimated point spread function was corrected with Gaussian fitting method. Finally  the images were restored using the adaptive Wiener filtering with the fitted point spread function. Experimental results of the real remote sensing images showed that almost all strip noises in the images were eliminated. After the denoised images were restored  its variance and its gray mean gradient increased  also its laplacian gradient increased. Restoration with Gaussian fitted point spread function is beneficial to interpreting and analyzing the remote sensing images. After restoration  the blur phenomenon of the images is reduced. The characters are highlighted  and the visual effect of the images is clearer. 2011 IEEE.