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Matrix stiffness and shear stresses modulate hepatocyte functions in a fibrotic liver sinusoidal model 期刊论文  OAI收割
AMERICAN JOURNAL OF PHYSIOLOGY-GASTROINTESTINAL AND LIVER PHYSIOLOGY, 3, 2020, 卷号: 320, 页码: G272-G282
作者:  Li W(李旺);  Li PW(李培文);  Li N(李宁);  Du Y(杜宇);  Lv SQ(吕守芹)
  |  收藏  |  浏览/下载：12/0  |  提交时间：2022/10/25
Influences of Morphology Parameters on the Contact Behavior of a Steel Interface 期刊论文  OAI收割
INTERNATIONAL JOURNAL OF APPLIED MECHANICS, 2020, 卷号: 12, 期号: 1, 页码: 28
作者:  Fan LF;  Zhao L;  Liu XM(刘小明)
  |  收藏  |  浏览/下载：32/0  |  提交时间：2020/05/18
The characteristics and estimation of flow through a single rough-walled fracture 期刊论文  OAI收割
JOURNAL OF HYDRODYNAMICS, 2012, 卷号: 24, 期号: 3, 页码: 315-322
作者:  Liu QQ(刘青泉);  Fan HG(樊红光);  Liu, QQ
收藏  |  浏览/下载：40/0  |  提交时间：2013/01/18
Analyse the angular velocity estimation errors of -- filter based on high sampling rate (EI CONFERENCE) 会议论文  OAI收割
2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China
作者:  Zhang Y.
收藏  |  浏览/下载：31/0  |  提交时间：2013/03/25
In order to get angular velocity of stabilization servo mechanism from angular position sensors  -- filter based on high sampling rate was established  model and error characteristics were analyzed. With the hypothesis of constant acceleration  -- filter and its angular velocity transfer function were deduced. Combing with optimum parameters  the effects of and sample rate on the error characteristics were evaluated. According to the requirements of stabilization servo mechanism  the frequency characteristics of angular velocity transfer function are analyzed  and the filter parameters are designed. The experimental which filter tracked and smoothed sinusoidal signal  the results show that when the cutoff frequency of angular velocity loop is 44.9rad/s  sampling period and parameters are 0.08ms and 0.01279 respectively  the phase leading of angular position is 70. -- filter tracked sinusoidal signals with maximum angular velocity(30/s) and maximum angular acceleration(30/s2)  the error of angular velocity estimation was 0.053/s. In the engineering of electro-optical stabilization servo mechanism  -- filter can reduce noise effectively  and reached the requirement of platform angular velocity estimation. Also it is one of the effective methods to get angular velocity from angular position sensors. 2011 IEEE.  
基于语料库汉语语音拼接合成方法研究 学位论文  OAI收割
工学硕士, 中国科学院自动化研究所: 中国科学院研究生院, 2002
祝韶晖
收藏  |  浏览/下载：87/0  |  提交时间：2015/09/02