Signal decomposition for overlapped non-stationary signals
and experimental micro-Doppler (m-D) signals are presented to show the effectiveness of the method.see our works and full text onhttps://www.researchgate.net/profile/Shiqian_Chen2
Method for decompose nonlinear chirps with multiple signal modes
https://www.researchgate.net/profile/Shiqian_Chen2
method for multi-component non-stationary signal decomposition and instantaneous frequency estimation
The matlab codes permit to reproduce some results in the paper: Chen S, Yang Y, Peng Z, et al, Detection of Rub-Impact Fault for Rotor-Stator Systems: A Novel Method Based on Adaptive Chirp Mode
group delay (dispersion curve) estimation and mode separation for dispersive signal with crossed signal modes
The matlab codes permit to reproduce some results in the paper: Chen S, Wang K, Peng Z, et al, Generalized dispersive mode decomposition: Algorithm and applications, Journal of Sound and Vibration
A data-driven adaptive signal decomposition method for time-varying AM-FM signals
The matlab codes permit to reproduce some results in the paper: Hongbing Wang, Shiqian Chen, et al. Data-driven adaptive chirp mode decomposition with application to machine fault diagnosis under
feature point, retinal image , image registration, blood vessel
The method can solve the over-decomposition issues of the signal decomposition algorithm for the wide-band impulse signals.
contact:Shiqian Chen; chenshiqian@swjtu.edu.cn; https://www.researchgate.net/profile/Shiqian_Chen2
Chen Gackstatter minimal surface
Chen Gackstatter minimal surfaceperiod 5
Calculate the Sutton-Chen potential for any amount of atoms
Calculate the Sutton-Chen potential for any amount of atoms. The description is in spanish. Email me for details.
Calculation of pipe wall temperature using the 1963 Chen correlation for subcooled boiling flow
This function uses the 1963 Chen correlation for subcooled boiling flow to calculate the wall temperature of a pipe, based on inlet pressure, an initial guess of the pressure at the pipe wall, and
Calulate the derivative of potential Sutton-Chen, for any number of atoms
Calulate the derivative of potential Sutton-Chen, for any number of atoms. Comments are in spanish. Email me for more details.
Calculates Chen primes less than or equal to a number
This function returns Chen primes less than or equal to the passed number in a row vector.
Matlab code for Lyapunov exponents of 4D hyperchaotic fractional-order Chen systems
MATLAB Code for computing the Lyapunov exponent of 4D hyperchaotic fractional-order Chen systems. The algorithm is based on the memory principle of fractional order derivatives and has no restriction
An implementation of the validation of a biometric quality metric.
A bandwidth segmentation method for bearing fault diagnosis
for the time-frequency analysis and decomposition of transient signal and chirp signal
included in the publications as long as the codes are used. Contact Information: Dr. Shiqian ChenState Key Laboratory of Rail Transit Vehicle SystemSouthwest Jiaotong UniversityChengdu, 610031P.R. China
This is an EIS toolbox currently in beta developed as part of UG thesis work at the University of Colorado Boulder
Updated by Jiacheng Chen, Sheffield Hallam Univerisy, UK
The original and official code please refer to https://github.com/gctronic/e-puck-library. This kernel is updated by Jiacheng Chen, Sheffield Hallam University, UK. Thanks to Stefano Morgani for his
Variational Bayesian Relevance Vector Machine for Sparse Coding
Approximately median unbiased estimation of the AR(p) model following Andrews and Chen (1994).
This function implements approximately median unbiased (MU) estimation of the AR(p) model following Andrews, D.W.K and H.-Y. Chen (1994), "Approximately Median-Unbiased Estimation of Autoregressive
iECGA: Integer Extended Compact Genetic Algorithm-Ping-Chu Hung-Ying-Ping Chen
Pattern Recognition and Machine Learning Toolbox
SCALEBAR dragable & resize able
Phase-field code in MATLAB to solve the phase-field model of Fan & Chen for Grain Growth phenomena in 2D
Phase field code in MATLAB to solve the 2D phase field model developed by Fan & Chen for Grain Growth phenomena (model with 10 order parameters for ten different grain orientations).
This is the code for the work Chen H., Dhekne A., A Metricfor Quantifying UWB Ranging Error Due to Clock Drifts.
M-files for chapters 2-10 and Simulink models for Ethernet and Wireless Ethernet.
SIMULINK® models (downloadable from the companion website athttp://authors.phptr.com/chen/), Walter Y. Chen covers the technical challenges and implementation of twisted-pair telephone wiring, coax
FO-ESC improves the performance of IO-ESC using fractional order operators
c-compiler (to setup a c-compiler in your matlab use mex -setup). For more information please check:1- Hadi Malek, YangQuan Chen, "Fractional Order Power Point Tracking" 2- Hadi Malek, Sara Dadras, YangQuan
Please run this demo file to generate three different types of surfaces (1) Fracal surface (2) Sinusoidal surface (3) Random surface
papers:% [1]Y. Chen and H. Yang, Numerical simulation and pattern characterization of% nonlinear spatiotemporal dynamics on fractal surfaces for the whole-heart modeling% applications, European Physical
An introduction of typical sparsity measures (traditional and newly developed) with numerical examples
] B. Chen, D. Song, F. Gu, W. Zhang, Y. Cheng, A.D. Ball, A. Bevan, J. Xi Gu, A full generalization of the Gini index for bearing condition monitoring, Mech. Syst. Signal Process. 188 (2023) 109998
Direct probability integral method (DPIM) is a unified framework for uncertainty propagation analysis, reliability analysis and design.
on GF-discrepancy point selection technique. Main references:[1] G.H. Chen, D.X. Yang, Direct probability integral method for stochastic response analysis of static and dynamic structural systems
Canonical Correlation analysis-based Fault detection and Process monitoring algorithm
Version 1.0.0.0
Zhiwen ChenCanonical Correlation analysis-based Fault detection and Process monitoring algorithm
This is a demo of canonical correlation analysis (CCA) - based Fault detection and Process monitoring algorithm, which is used in the paper:Zhiwen Chen, Steven X. Ding, Tao Peng, Chunhua Yang and
cqwva( d,y,x,index_incre,lvl,clip,line_color,face_color,mode , trace_balance )
Version 1.5.0.0
Chen QiThe fastest wiggle variable area seismic data plotting function after comparison.
Wrapper for NLINFIT which allows simultaneous fitting for multiple data sets with shared parameters.
List-view all functions in your '.m' code in [Notepad++] IDE
mine.-----------------------------------------------------------------------------------------------------------------------------If you like it, you rate it.>>Chen xinfeng>>2016-2-15
[set & get& drag] the line in figure, and get its [draggin-callback] as your wish.
skill, but have 4 dragLine.Tips:The "zip" file have a "demo.m" may be helpful.All written by 'classdef' technology.Author:Chen Xinfeng(陈昕枫,华中科技大学)2016-1-12
Oustaloup-Recursive-Approximation for Fractional Order Differentiators
Version 1.0.0.0
YangQuan ChenOustaloup-Recursive-Approximation for fractional order differentiator.
): 25 -39% [2] D. Xue, Y.Q. Chen and D. Atherton. "Linear feedback control - % analysis and design with Matlab 6.5". Textbook draft. Chapter 9% "Fractional order control - An introduction". PDF
Heterogeneous recurrence quantification analysis of Lorenz system
Leohard Building, University Park, PA %Email: yanghui@gmail.com % If you find this toolbox useful, please cite the following paper:% [1]H. Yang and Y. Chen, “Heterogeneous recurrence monitoring
Beamforming Simulation Files
Beamforming Simulation Files Based on the Paper, Gong, Qin, and Yousheng Chen. "Parameter selection methods of delay and beamforming for cochlear implant speech enhancement. " Acoustical Physics 57.4
2,4,7 DOFs Suspension Model for Simulink
the mdl files are for:vehicle suspension system with semi-active control I/O 1) 2 DOFs 2) 4 DOFs 3) 7 DOFs Chen,YiChenyi2005@gmail.com27-May-2006
Death Mechanism-Based Moth-Flame Optimization with Improved Flame Generation Mechanism for Global Optimization Tasks
Li,Junhai Zeng,Yangquan Chen,Ge Ma,Guiyun LiuZhifu Li (lizhifu8@163.com), Junhai Zeng (1483061673@qq.com), Ge Ma, Guiyun Liu are with the School of Mechanical and Electrical Engineering,Guangzhou
Solution of Fractional Optimal Control Problems using Rational Approximation
Solution of Fractional Optimal Control Problems using Rational Approximation[1] C. Tricaud and Y.Q. Chen: Solving Fractional Order Optimal Control Problems in RIOTS_95 - A General-Purpose Optimal
Extremum Seeking Control (ESC) for Maximum Power Point Tracking (MPPT) of Photo-Voltaic system
Version 1.0.0.0
Hadi MalekExtremum Seeking Control Algorithm is employed to seek the max/min point of nonlinear functions
better efficiency compared to other MPPT algorithms like P&O or IC. For more information regarding the operation of ESC please review1- H. Malek; S. Dadras; Y. Chen, "Performance analysis of fractional
ATVMF can adaptively determine the shape and scale of structural element (SE) according to the inherent characteristics of the signal.
improving the transient feature extraction capability and computational efficiency. Detail introduction are presented in the following paper:B. Chen, D. Song, W. Zhang, Y. Cheng, Z. Wang, A performance
Easily Simulate Chirp Signal Compression of Single/Multiple Range Targets (Without any toolbox).
the near range and targets, check if it can be identified by compressing the combination signal after the matched filter. Thank You,GWgw.chen19@gmail.com
Code for my Automaitca(2018) paper
%% This script implements the algorithm for the following work% Su, Jinya, and Wen-Hua Chen. Further results on “Reduced order disturbance% observer for discrete-time linear systems”, Automatica, in
Fitting with single exponential curve in the form of: yFit = yInf + (y0-yInf) * exp(-k*(x-x0))
% * yInf: Final steady state% * y0: Initial state% * yFit: Fitted time series% % Last modified on 06/26/2012% by Jing Chen
Generalized Generalized Mittag-Leffler function in four parameters
, pp. 31–49.% Prepared by YangQuan Chen. 09/16/2008% Based on the ml_fun code in Dingyu Xue, YangQuan Chen* and Derek Atherton.% “Linear Feedback Control – Analysis and Design with Matlab”. SIAM Press
The random sample generators for the two spherical distributions: von Mises-Fisher, Watson.
It is the MATLAB codes for generating the random samples from Von-Mises Fisher and Watson distribution. The code is part of the work in the following papers:Chen, Yu-Hui, et al. "Parameter estimation
MatLab toolbox for the computation of Chen-Fliess series.
CFS-toolboxMatLab toolbox for the computation of Chen-Fliess series.
calculate sin(n*pi*x)/sin(pi*x)
Computes the SCB of an LTI system in symbolic form
found in the bookChen, B. M. et. al.: Linear Systems Theory, A Structural Decomposition Approach. Birkhäuser, Boston, 2004.
Simulate spatiotemporal dynamics of electrical wave conduction and propagation in the whole heart
wave conduction in the whole heart, thereby achieving a better understanding of disease-altered cardiac mechanisms.% Authors: Yun Chen and Hui Yang% Affiliations:% The Pennsylvania State University% 310
Simscape Mutibody demo
Impulse response invariant discretization of fractional order low-pass filters
Version 1.0.0.0
YangQuan ChenDiscretize [1/(\tau s +1)]^r with "r" a real number
LTI object that approximates the [1/(\tau s +1)]^r% in the sense of invariant impulse response. % TEST CODE% dfod=irid_folpf(.01,0.5,.001,5);figure;pzmap(dfod)%% Reference: YangQuan Chen
a kind of usefull clustering algorithm
Super fast and terse kmeans clustering.
Unbiased Schemes for Heston and SABR.
the SABR model by Chen, van der Weide and Oosterlee.
Chaos system
change the nunmber of the gain you can see different chaos system,such as Lorenz system(while a=0), Chen's system(while a=0.8),Lv's system(while a=1).
Image Edge Detection Using Ant Colony Optimization