Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Shu-fang XU"'
Intrapulse modulation recognition of signals based on statistical test of energy focusing efficiency
Publikováno v:
Tongxin xuebao, Vol 34, Pp 136-145 (2013)
A blind intrapulse modulation recognition based on energy focusing efficiency test was proposed, which can be used to estimate the modulation type under low signal to noise ratio (SNR) conditions. The observed signals were pre-processed by short time
Externí odkaz:
https://doaj.org/article/048788d7a4f34dd7b5381413703710db
Recently, a \textbf{SCHUR} method was proposed in \cite{Chu2} to solve the robust pole assignment problem in state feedback control. It takes the departure from normality of the closed-loop system matrix $A_c$ as the measure of robustness, and intend
Externí odkaz:
http://arxiv.org/abs/1410.2989
To solve the problem of valve noise, a multi-hole sleeve valve with secondary pressure-reducing function is presented in this paper. During the flow design of the valve, the flow resistance coefficient of the valve served as an important parameter. B
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09ec258c0eedabeffcab7e059721f2cb
https://doi.org/10.21203/rs.3.rs-30236/v1
https://doi.org/10.21203/rs.3.rs-30236/v1
Autor:
Shu-fang Xu, Xin Lu
Publikováno v:
Applied Numerical Mathematics. 94:201-208
This paper concerns computing derivatives of semi-simple eigenvalues and corresponding eigenvectors of the quadratic matrix polynomial Q ( p , λ ) = λ 2 M ( p ) + λ C ( p ) + K ( p ) at p = p * . Computing derivatives of eigenvectors usually requi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fdc65be7a895ad73eee95caef2f324b
https://doi.org/10.1016/j.apnum.2015.03.011
https://doi.org/10.1016/j.apnum.2015.03.011
Autor:
Xin Lu, Shu-Fang Xu
Publikováno v:
Journal of Computational and Applied Mathematics. 282:268-277
In this paper, we derive rounding errors of partial derivatives of a simple eigenvalue of the quadratic eigenvalue problem dependent on several parameters. We prove a series of lemmas and finally get theorems of rounding errors of both nonsymmetric a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93ea2014b41f722e2f69bdf4ef26cf12
https://doi.org/10.1016/j.cam.2014.12.046
https://doi.org/10.1016/j.cam.2014.12.046
Publikováno v:
Linear Algebra and its Applications. 475:11-27
The extinction probability of the Markovian Binary Tree (MBT) is the minimal nonnegative solution of a Quadratic Vector Equation (QVE). In this paper, we present a perturbation analysis for the extinction probability of a supercritical MBT. We derive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a65636f54c4e8a719d4375c4f173e09b
https://doi.org/10.1016/j.laa.2015.02.006
https://doi.org/10.1016/j.laa.2015.02.006
Autor:
Pei-Chang Guo, Shu-Fang Xu
Publikováno v:
Calcolo. 52:317-325
In order to determine the extinction probability of a Markovian binary tree, it is necessary to find the minimal nonnegative solution of a quadratic vector equation. We apply the modified Newton---Shamanskii method for solving the equation. We show t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2f6773b36fee093dc8c583e9efeb940
https://doi.org/10.1007/s10092-014-0118-8
https://doi.org/10.1007/s10092-014-0118-8
Autor:
Wen-Wei Lin1 wwlin@math.nthu.edu.tw, Shu-Fang Xu2 xsf@pku.edu.cn
Publikováno v:
SIAM Journal on Matrix Analysis & Applications. 2006, Vol. 28 Issue 1, p26-39. 14p.
Autor:
Shu-fang, Xu
Publikováno v:
Journal of Computational Mathematics, 1993 Jan 01. 11(1), 7-19.
Externí odkaz:
https://www.jstor.org/stable/43692542
Autor:
Rong Gao, Shu-Fang Xu, Song Chunyan, Jian Yuan, Yang Baoan, Xiao Hanzu, Sun Yunbo, Hai-Yuan Fu, Pan-Yong Mao, Wei Kaihua, Huang Yajuan, Hou Liping, Zhou Xiaoming, Li-Zhong Lin, Pei Zhen
Publikováno v:
Chinese Journal of Analytical Chemistry. 40:1803-1806
Polypeptide antibody pre-concentration method coupled with mass spectrometry have been established for determination of serum polypeptide. Polypeptide was captured by agarose beads followed by binding of specific polyclonal antibodies from serum. Aft
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::426f9606371d0c3bca8cd6aa897559b3
https://doi.org/10.1016/s1872-2040(11)60590-2
https://doi.org/10.1016/s1872-2040(11)60590-2