中国科学院机构知识库网格
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On the Disturbance Rejection of a Piezoelectric Driven Nanopositioning System 期刊论文  OAI收割
IEEE ACCESS, 2020, 卷号: 8, 页码: 74771-74781
作者:  
Wei, Wei;  Xia, Pengfei;  Xue, Wenchao;  Zuo, Min
  |  收藏  |  浏览/下载:27/0  |  提交时间:2020/06/30
High-Performance Motion Estimation for Image Sensors with Video Compression 期刊论文  OAI收割
SENSORS, 2015, 卷号: 15, 期号: 8, 页码: 20752-20778
作者:  
Xu, Weizhi;  Yin, Shouyi;  Liu, Leibo;  Liu, Zhiyong;  Wei, Shaojun
  |  收藏  |  浏览/下载:117/0  |  提交时间:2019/12/13
A bandwidth estimation approach for the asymptotic waveform evaluation technique 期刊论文  iSwitch采集
Ieee transactions on antennas and propagation, 2008, 卷号: 56, 期号: 3, 页码: 913-917
作者:  
Peng, Zhen;  Shem, Xin-Qing
收藏  |  浏览/下载:33/0  |  提交时间:2019/05/10
A high-accuracy parameter estimation algorithm for jointless Frequency-shift track circuit (EI CONFERENCE) 会议论文  OAI收割
ISECS International Colloquium on Computing, Communication, Control, and Management, CCCM 2008, August 3, 2008 - August 4, 2008, Guangzhou, China
作者:  
Zheng X.
收藏  |  浏览/下载:24/0  |  提交时间:2013/03/25
FSK (Frequency Shift keying) signal  which has advantages of narrow-bandwidth  strong anti-interference ability  long transmission distance and so on  is used in jointless Frequency-shift track circuit to send different kinds of control signals. However  as FSK is non-linearly modulated  parameter estimation with high accuracy is hard to realize. Based on the spectrum analysis complement with time-frequency distribution  a highaccuracy FSK signal parameter estimation algorithm is put forward in this paper. According to the signal characteristics  under-sampling and ZFFT are used to improve the accuracy of spectrum analysis  and the base frequency resolution meets system requirement of 0.02Hz. Wigner-Ville distribution has an excellent time-frequency concentration while serious cross-term interference at the same time. Through the design of kernel function  the cross-terms are almost suppressed and the upper/down side frequency resolution meets the system requirement of 0.2Hz. The effectivities of all the methods mentioned above have been proved by MATLAB simulation  which pave a solid way for the development of high-accuracy FSK signal parameter estimation devices. 2008 IEEE.  
Density estimation for spatial linear processes 期刊论文  OAI收割
BERNOULLI, 2001, 卷号: 7, 期号: 4, 页码: 657-668
作者:  
Hallin, M;  Lu, ZD;  Tran, LT
  |  收藏  |  浏览/下载:21/0  |  提交时间:2018/07/30