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北京大学 [3]
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长春光学精密机械与物... [2]
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期刊论文 [7]
会议论文 [4]
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Semi-parametric inference for semi-varying coefficient panel data model with individual effects
期刊论文
JOURNAL OF MULTIVARIATE ANALYSIS, 2017, 卷号: 154, 页码: 262-281
作者:
Hu, Xuemei
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浏览/下载:16/0
  |  
提交时间:2018/07/30
Panel data
Fixed effects
Random effects
Local linear smoothing
Semi-varying coefficient model
Bootstrap procedure
Hydrodynamic effects on the surface morphology evolution of aluminum alloy under intense pulsed ion beam irradiation
会议论文
20th International Conference on Ion Beam Modification of Materials (IBMM), Wellington, NEW ZEALAND, 2017-10-15
作者:
Yu, Xiao
;
Zhong, Haowen
;
Zhang, Zhou
;
Shen, Jie
;
Zhang, Jie
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浏览/下载:6/0
  |  
提交时间:2019/12/30
Intense pulsed ion beam (IPIB)
Surface smoothing
Hydrodynamic effects
Hydrodynamic effects on the surface morphology evolution of aluminum alloy under intense pulsed ion beam irradiation
期刊论文
20th International Conference on Ion Beam Modification of Materials (IBMM), 2017, 卷号: 409, 页码: 158-162
作者:
Yu, Xiao
;
Zhong, Haowen
;
Zhang, Zhou
;
Shen, Jie
;
Zhang, Jie
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/30
Intense pulsed ion beam (IPIB)
Surface smoothing
Hydrodynamic effects
Nonparametric estimation of conditional VaR and expected shortfall
期刊论文
http://www.wise.xmu.edu.cn/paperInfor.asp?id=123, 2013
Zongwu Cai
;
Xian Wang
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浏览/下载:10/0
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提交时间:2013/11/08
Boundary effects
Empirical likelihood
Expected shortfall
Local linear estimation
Nonparametric smoothing
Value-at-risk
Weighted double kernel
A strong coupled CFD-CSD method on computational aeroelastity (EI CONFERENCE)
会议论文
2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China
Xi R.
;
Jia H.
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浏览/下载:63/0
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提交时间:2013/03/25
In this paper
a strong coupled CFD-CSD method is developed to simulate the aeroelastic phenomena. The CFD solver is based on the finite-volume algorithm for the Navier-Stokes equations on unstructured grid. The CSD solver solves the aeroelastic governing equations in the modal space. Their coupling is realized by a dual-time method. The spring-based smoothing method is adopted to deform and regenerate the aerodynamic grid. Two test cases are selected to validate the authors' method for static and dynamic aeroelastity .The results of the simulation for the static aeroelastic problems of a missile wing show that the Lift Coefficient and Drag Coefficient are severally 7% and 5% lower than those don't consider the elasticity of the wing. The results for the flutter boundary prediction of the AGARD 445.6 wing have been proved much closer to the experiment than using the DLM. This method can describe the effects of fluid viscosity more exactly for highly nonlinear transonic flight conditions. The calculation has proved reliable in the subsonic regime
but not accurate enough in the supersonic regime. 2011 IEEE.
A score test for variance components in a semiparametric mixed-effects model under non-normality
期刊论文
STATISTICS AND ITS INTERFACE, 2011, 卷号: 4, 期号: 1, 页码: 65-72
作者:
Sun, Yan
;
Zhang, Jin-Ting
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浏览/下载:2/0
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提交时间:2019/08/22
Extended quasi-likelihood
Laplace approximation
Local linear smoothing
Score test
Semiparametric mixed-effects model
Variance components
Techniques to improve the accuracy of noise power spectrum measurements in digital x‐ray imaging based on background trends removal
期刊论文
Medical Physics, 2011, 卷号: Vol.38 No.3, 页码: 1600-1610
作者:
Zhou, Z.a,b
;
Gao, F.a,b
;
Zhao, H.a,b
;
Zhang, L.a,b
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浏览/下载:1/0
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提交时间:2019/11/26
Digital radiography
Noise
Artifacts and distortion
Smoothing
diagnostic radiography
low‐pass filters
medical image processing
polynomial approximation
spectral analysis
noise power spectrum
digital x‐ray imaging
background trend removal
NPS variance
Medical image noise
Polynomials
X‐ray imaging
Medical imaging
X‐ray effects
Medical X‐ray imaging
Random noise
Metal insulator semiconductor structures
Fourier transforms
X‐ray spectra
The study of two FOG filter methods in improving the precision of servo control system (EI CONFERENCE)
会议论文
2010 3rd International Conference on Advanced Computer Theory and Engineering, ICACTE 2010, August 20, 2010 - August 22, 2010, Chengdu, China
Zhang Y.
;
Zhang S.-M.
;
Liu X.
;
Zhang L.-G.
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浏览/下载:14/0
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提交时间:2013/03/25
The precision of FOG has highly effect on the servo system's final precision. In this paper
two filter methods has been researched in signal processing of FOG
smoothing filter method and Kalman filter based on ARMA model
in order to improve turn table servo control system's performance. To validate the effects of these two methods
three experiments have been made
which are filter examinations
dynamic experiments and Static experiments. The experiments reveal that these two kinds of filter methods are useful to filter the unknown noises and very effective to improve the precision of servo control system. 2010 IEEE.
ANOVA FOR LONGITUDINAL DATA WITH MISSING VALUES
其他
2010-01-01
Chen, Song Xi
;
Zhong, Ping-Shou
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浏览/下载:6/0
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提交时间:2015/11/13
Analysis of variance
empirical likelihood
kernel smoothing
missing at random
semiparametric model
treatment effects
SEMIPARAMETRIC REGRESSION-ANALYSIS
VARYING-COEFFICIENT MODEL
EMPIRICAL LIKELIHOOD
LINEAR-MODELS
CONFIDENCE-REGIONS
BOOTSTRAP
TESTS
CURVES
Well-posedness of Cauchy problem for the fourth order nonlinear Schrodinger equations in multi-dimensional spaces
期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2007, 卷号: 328, 期号: 1, 页码: 58-83
作者:
Hao, Chengchun
;
Hsiao, Ling
;
Wang, Baoxiang
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  |  
浏览/下载:11/0
  |  
提交时间:2018/07/30
fourth order nonlinear Schrodinger equations
Cauchy problem
well-posedness
smoothing effects
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