Search Results - "Ma, Chunsheng"

Covariance Matrices for Second-Order Vector Random Fields in Space and Time by Ma, Chunsheng

“…This paper deals with vector (or multivariate) random fields in space and/or time with second-order moments, for which a framework is needed for specifying not…”
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Printable, Highly Sensitive Flexible Temperature Sensors for Human Body Temperature Monitoring: A Review by Su, Yi, Ma, Chunsheng, Chen, Jing, Wu, Huiping, Luo, Weixiang, Peng, Yueming, Luo, Zebang, Li, Lin, Tan, Yongsong, Omisore, Olatunji Mumini, Zhu, Zhengfang, Wang, Lei, Li, Hui

“…In recent years, the development and research of flexible sensors have gradually deepened, and the performance of wearable, flexible devices for monitoring…”
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Evidence of the Berezinskii-Kosterlitz-Thouless phase in a frustrated magnet by Hu, Ze, Ma, Zhen, Liao, Yuan-Da, Li, Han, Ma, Chunsheng, Cui, Yi, Shangguan, Yanyan, Huang, Zhentao, Qi, Yang, Li, Wei, Meng, Zi Yang, Wen, Jinsheng, Yu, Weiqiang

“…The Berezinskii-Kosterlitz-Thouless (BKT) mechanism, building upon proliferation of topological defects in 2D systems, is the first example of phase transition…”
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K-distributed vector random fields in space and time by Ma, Chunsheng

“…This paper introduces two types of second-order vector random fields or stochastic processes whose marginals are K-distributed, through certain mixture…”
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Covariance Matrix Functions of Vector χ^2 Random Fields in Space and Time by Ma, Chunsheng

“…This paper introduces vector (multivariate, or multiple) χ 2 and Rayleigh random functions or random fields on a spatial, temporal, or spatio-temporal index…”
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Effect of nickel-coated carbon nanotubes on the preparation and wear resistance of microarc oxidation ceramic coating on ZL109 aluminum alloy by Liu, Jiang, Zhu, Xinhe, Ma, Dengqing, Fu, Jingguo, Xue, Wenbin, Zhang, Fan, Ma, Chunsheng

“…In order to adapt to the development of lightweight equipment, and further improve the wear resistance of ZL109 aluminum alloy, the influence of nickel-coated…”
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Tribological Properties of Solid Lubricant WS2 in Dimples on the Cylinder of Diesel Engine at High Temperature by Fu, Jingguo, Ma, Dengqing, Fan, Liyang, Yu, Zhiwei, Yin, Huabing, Ma, Chunsheng

“…Solid lubricant WS2 was encapsulated in the dimples on the cylinder surface by the hot-pressing method. The tribological and releasing performance of the…”
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Stationary and Isotropic Vector Random Fields on Spheres by Ma, Chunsheng

“…This paper presents the characterization of the covariance matrix function of a Gaussian or second-order elliptically contoured vector random field on the…”
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Linear combinations of space-time covariance functions and variograms by Chunsheng Ma, Chunsheng Ma

“…The difference or a linear combination of two space-time covariance functions (or variograms) is not necessarily a valid covariance function (or variogram). In…”
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Effect of nano h-BN particles on growth regularity and tribological behavior of PEO composite ceramic coating of ZL109 alloy by Zhu, Xinhe, Fu, Jingguo, Ma, Dengqing, Ma, Chunsheng, Fu, Yunyang, Zhang, Zhuokai

“…A composite ceramic coating containing h-BN particles was prepared on the ZL109 alloy via plasma electrolytic oxidation. The h-BN particles were modified by…”
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chi^2 Random Fields in Space and Time by Ma, Chunsheng

“…This paper introduces some χ 2 random functions, which are not homogeneous (stationary) in general, but contain the stationary case as a special case, and…”
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Structure Design, Kinematics Analysis, and Effect Evaluation of a Novel Ankle Rehabilitation Robot by Qu, Shuwei, Li, Ruiqin, Yao, Wei, Ma, Chunsheng, Guo, Zhihong

“…This paper presents a novel ankle rehabilitation (2-CRS+PU)&R hybrid mechanism, which can meet the size requirements of different adult lower limbs based on…”
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Type synthesis for lower-mobility decoupled parallel mechanism with redundant constraints by Qu, Shuwei, Li, Ruiqin, Ma, Chunsheng, Li, Hong

“…A novel method for type synthesis of lower-mobility decoupled parallel mechanism with redundant constraints is proposed. Firstly, the definition of the…”
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Vector Random Fields with Second-Order Moments or Second-Order Increments by Ma, Chunsheng

“…This article is concerned with vector (multivariate, or multidimensional) random fields with second-order moments or second-order increments. Two crucial…”
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Stationary Random Fields in Space and Time With Rational Spectral Densities by Ma, Chunsheng

“…This paper introduces three spatio-temporal stationary random fields with simple correlation functions and rational spectral densities. The correlation…”
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Rational Covariance Functions for Nonstationary Random Fields by Ma, Chunsheng

“…This correspondence propose rational-type covariance functions for nonstationary Gaussian stochastic processes or random fields, which are rational functions…”
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Spherically Invariant Vector Random Fields in Space and Time by Du, Juan, Ma, Chunsheng

“…This paper is concerned with spherically invariant or elliptically contoured vector random fields in space and/or time, which are formulated as scale mixtures…”
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Planar-Temporal Stationary Correlation Models That Depend on the Maximum Norm by Ma, Chunsheng

“…It is useful to have various stochastic models to describe a wide range of spatial or spatio-temporal dependence and interaction. Two families of…”
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Construction of non-Gaussian random fields with any given correlation structure by Ma, Chunsheng

“…A positive definite function can be thought of as the covariance function of a Gaussian random field, according to the celebrated Kolmogorov existence theorem…”
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Matched-pairs tests of homogeneity with applications to homologous nucleotide sequences by Ababneh, Faisal, Jermiin, Lars S., Ma, Chunsheng, Robinson, John

“…Motivation: Most phylogenetic methods assume that the sequences of nucleotides or amino acids have evolved under stationary, reversible and homogeneous…”
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