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VARYING: 作品数：620被引量：1134H指数：14; 导出分析报告; 相关领域：理学更多>>; 相关作者：唐风琴李泽慧陈进源黄卫清王寅更多>>; 相关机构：南京理工大学北京理工大学天津大学青岛大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金中国博士后科学基金更多>>

Estimating the Size of an Open Population with Massive Datasets Based on a Generalized Varying-Coefficient Model: 《Journal of Systems Science & Complexity》2022年第3期1116-1136,共21页LI Haoqi LI Yuan; supported by the National Natural Science Foundation of China under Grant Nos.11731015,11571148;the Natural Science Foundation of Chongqing under Grant No.cstc2019jcyj-msxm X0709;the Science and Technology Research Program of Chongqing Municipal Education Commission under Grant No.KJQN201901436。; A generalized varying-coefficient model is proposed to estimate a population size at a specific time from multiple lists of an open population.The research datasets have millions of records with a very long time span(...; 关键词：Drug abusers generalized varying-coefficient multiple-list open population

Model Averaging Estimation for Varying-Coefficient Single-Index Models被引量：4: 《Journal of Systems Science & Complexity》2022年第1期264-282,共19页LIU Yue ZOU Jiahui ZHAO Shangwei YANG Qinglong; supported by the National Nature Science Foundation of China;under Grant Nos.12001559and 11971324;the Ministry of Education of Humanities and Social Science project;under Grant No.19YJC910008。; The varying-coefficient single-index model(VCSIM)is widely used in economics,statistics and biology.A model averaging method for VCSIM based on a Mallows-type criterion is proposed to improve prodictive capacity,which...; 关键词：Asymptotic optimality kernel-local smoothing method Mallows-type criterion model averaging varying-coefficient single-index model

Empirical Likelihood Inference for the Semiparametric Varying-Coefficient Spatial Autoregressive Model被引量：1: 《Journal of Systems Science & Complexity》2021年第6期2310-2333,共24页LUO Guowang WU Mixia PANG Zhen; supported by the National Natural Science Foundation of China under Grant No.11771032;Scientific Research Foundation for Young Talents of Department of Education of Guizhou Province;Scientific Research Foundation of Guizhou University of Finance and Economics under Grant No.2021YJ027。; In this paper empirical likelihood(EL)-based inference for a semiparametric varyingcoefficient spatial autoregressive model is investigated.The maximum EL estimators for the parametric component and the nonparametric ...; 关键词：Confidence regions empirical likelihood instrumental variable residual-adjusted Wilks theorem

Analysis on the Mutation and Time-Varying Characteristics of Coal Price System Evolution from the Perspective of Finance: 《Journal of Systems Science & Complexity》2021年第4期1501-1521,共21页CHAI Jian LEI Junchan SHI Huiting ZHANG Xuejun LANG Meiling; supported by the National Natural Science Foundation of China under Grant No.71874133;“Special Support Program for High-Level Talents”Youth Top Talent Program of Shaanxi Province,China。; Coal is essential to ensure China’s energy security.The sudden or gradual change of coal price reflects the degree of disequilibrium or expected disequilibrium of coal supply and demand,which will not be conducive to...; 关键词：Coal price financial market MUTATION

Adaptive Output-Feedback Stabilization for PDE-ODE Cascaded Systems with Unknown Control Coefficient and Spatially Varying Parameter被引量：3: 《Journal of Systems Science & Complexity》2021年第1期298-313,共16页LI Xia LIU Yungang LI Jian XU Zaihua; supported by the National Natural Science Foundations of China under Grant Nos.61821004,61873146 and 61773332;the Special Fund of Postdoctoral Innovation Projects in Shandong Province under Grant No.201703012。; This paper investigates the adaptive stabilization for a class of uncertain PDE-ODE cascaded systems. Remarkably, the PDE subsystem allows unknown control coefficient and spatially varying parameter, and only its one ...; 关键词：Adaptive stabilization OUTPUT-FEEDBACK PDE-ODE cascaded systems unknown control coefficient unknown spatially varying parameter

A Two-Dimensional Approach to Iterative Learning Control with Randomly Varying Trial Lengths被引量：1: 《Journal of Systems Science & Complexity》2020年第3期685-705,共21页LIU Chen SHEN Dong WANG Jinrong; supported by the National Natural Science Foundation of China under Grant Nos.61673045and 11661016。; In this paper,iterative learning control(ILC)is considered to solve the tracking problem of time-varying linear stochastic systems with randomly varying trial lengths.Using the two-dimensional Kalman filtering techniq...; 关键词：Iterative learning control Kalman filtering recursive estimation varying trial lengths

Sliding Mode Control with Perturbation Estimation and Hysteresis Compensator Based on Bouc-Wen Model in Tackling Fast-Varying Sinusoidal Position Control of a Piezoelectric Actuator被引量：5: 《Journal of Systems Science & Complexity》2016年第2期367-381,共15页GAN Minggang QIAO Zhi LI Yanlong; supported by National Science Foundation of China under Grant No.61304097;Foundation for Innovative Research Groups of the National Natural Science Foundation of China under Grant No.61321002;Program for Changjiang Scholars and Innovative Research Team in University under Grant No.IRT1208; In this paper,a sliding mode control with perturbation estimation(SMCPE) coupled with an inverse hysteresis compensator is proposed for the motion tracking control of a microposition system with piezoelectric actuatio...; 关键词：Bouc-Wen model hysteresis compensator sliding mode control with perturbation estimation.

Consistency of Chi-Squared Test with Varying Number of Classes: 《Journal of Systems Science & Complexity》2015年第2期439-450,共12页HUANG Rui CUI Hengjian; supported by the Natural Science Foundation of China under Grant Nos.11071022,11028103,11231010,11471223,BCMIIS;the Beijing Municipal Educational Commission Foundation under Grant Nos.KZ201410028030,KM201210028005;Jishou University Subject in 2014(No:14JD035); The classical chi-squared goodness of fit test assumes the number of classes is fixed,meanwhile the test statistic has a limiting chi-square distribution under the null hypothesis.It is well known that the number of c...; 关键词：Consistency of chi-squared test goodness of fit test varying number of classes.

ESTIMATION AND INFERENCE FOR VARYING-COEFFICIENT REGRESSION MODELS WITH ERROR-PRONE COVARIATES: 《Journal of Systems Science & Complexity》2014年第6期1263-1285,共23页XU Yongqing LI Xiaoli CHEN Gemai; supported by the Graduate Student Innovation Foundation of SHUFE(#CXJJ-2011-351);supported by the Natural Sciences and Engineering Research Council of Canada; This paper studies the estimation and inference for a class of varying-coefficient regression models with error-prone covariates.The authors focus on the situation where the covariates are unobserved,there are no repe...; 关键词：Error-prone covariate instrumental variable local polynomial efficient estimation varying-coefficient.

STABILIZATION OF COUPLED PDE-ODE SYSTEMS WITH SPATIALLY VARYING COEFFICIENT: 《Journal of Systems Science & Complexity》2013年第2期151-174,共24页LI Jian LIU Yungang; supported by the National Natural Science Foundations of China under Grant Nos.60974003,61143011,61273084,and 61233014;the Natural Science Foundation for Distinguished Young Scholar of Shandong Province of China under Grant No.JQ200919;the Independent Innovation Foundation of Shandong University under Grant No.2012JC014; The paper is concerned with the stabilization of a class of coupled PDE-ODE systems with spatially varying coefficient,via state-feedback or output-feedback.The system is more general than that of the related literatu...; 关键词：Coupled PDE-ODE systems infinite-dimensional backstepping transformation spatially varying coefficient stabilization.

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