Mathematical Problems in Engineering articles from January 1 2010

Mathematical Problems in Engineering archives from January 1 2010

Least squares for practitioners.(Report)
January 1, 2010... 1. Introduction Least squares go back to Gauss and Legendre in the late 1790s. The first important publication on the topic was authored by Legendre in 1806 with the title "New Methods for Determination of a Comet's Orbit" and had a...

Blind deconvolution of the aortic pressure waveform using the Malliavin calculus.(Research Article)(Report)
January 1, 2010... 1. Introduction In this paper, we present a new approach to monitor central arterial pressure using the Multichannel Blind Deconvolution (MBD)[1, 2]. A multichannel blind deconvolution problem can be considered as natural extension or...

Driver's behavior modeling using fuzzy logic.(Research Article)(Report)
January 1, 2010... 1. Introduction In recent years, by using new control ideas, safety in driving has been improved. MacAdam developed an optimal preview control algorithm; however, this algorithm could only be applied to single-input single-output systems....

Direct computation of operational matrices for polynomial bases.(Research Article)(Report)
January 1, 2010... 1. Introduction One of the main characteristics of the use of polynomial bases is to reduce the solving process of differential or integral equations to systems of algebraic equations, expressing the solution f (x) by truncated series...

A computational perspective on network coding.(Research Article)(Report)
January 1, 2010... 1. Introduction When network coding was firstly used by Ahlswede et al. [1], the node produced each of its outgoing packets as an arbitrary combination of its incomings, which is referred to as encoding node. Those functions applied by all...

An expectation maximization algorithm to model failure times by continuous-time Markov chains.(Research Article)(Report)
January 1, 2010... 1. Introduction Among many quantitative analysis methods of system reliability, the state space representation has often been employed by reliability engineers, for example, [1-5]. The state space representation has been recognized by...

Flow-induced vibration analysis of supported pipes conveying pulsating fluid using precise integration method.(Research Article)(Report)
January 1, 2010... 1. Introduction As the pipes are widely used in many industrial fields, flow-induced vibration analysis of pipes conveying fluid has been one of the attractive subjects in structural dynamics. It is well known that pipeline systems may...

Modified T-F function method for finding global minimizer on unconstrained optimization.(Research Article)(Report)
January 1, 2010... 1. Introduction Because of the advances in science, economics, and engineering, studies on global optimization for the multiminimum nonlinear programming problem have become a topic of great concern. The existence of multiple local minima of...

Regular and irregular sampling theorem for multiwavelet subspaces.(Research Article)(Report)
January 1, 2010... 1. Introduction At the present time the sampling theorem plays a crucial role in signal processing and communication, as it establishes an equivalence between discrete signals and analogue (continuous) signals. For a band-limited signal, the...

Analytic solution of steady three-dimensional problem of condensation film on inclined rotating disk by differential transform method.(Research Article)(Report)
January 1, 2010... 1. Introduction Most phenomena in our world are essentially nonlinear and are described by nonlinear equations. Some of them are solved using numerical methods and some are solved using the analytic methods of perturbation [1, 2]. The...

Matrix bounds for the solution of the continuous algebraic Riccati equation.(Research Article)(Report)
January 1, 2010... 1. Introduction In many areas of optimal control, filter design, and stability analysis, the continuous algebraic Riccati equation plays an important role (see [1-5]). For example, consider the following linear system (see [5]): [??](t) =...

A novel numerical technique for two-dimensional laminar flow between two moving porous walls.(Research Article)(Report)
January 1, 2010... 1. Introduction Laminar viscous flow in tubes that allow seepage across contracting or expanding permeable walls is encountered in the transport of biological fluids such as blood and filtration in kidneys and lungs. Such flows have many...

Calculation of some integrals arising in heat transfer in grinding.(Research Article)(Report)
January 1, 2010... 1. Introduction In the resolution of the heat equation that models the heat transfer during the grinding process [1], there appear integrals [2] of the following type: [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] (1.1) ...

Global stability of polytopic linear time-varying dynamic systems under time-varying point delays and impulsive controls.(Research Article)(Report)
January 1, 2010... 1. Introduction The stabilization of dynamic systems is a very important question since it is the first requirement for most of applications. Powerful techniques for studying the stability of dynamic systems are Lyapunov stability theory and...

Synchronization of chaotic fractional-order WINDMI systems via linear state error feedback control.(Research Article)(Report)
January 1, 2010... 1. Introduction The solar-wind-driven magnetosphere-ionosphere is a complex driven-damped dynamical system which exhibits a variety of dynamical states that include low-level steady plasma convection, episodic releases of geotail stored...

Associative models for storing and retrieving concept lattices.(Research Article)(Report)
January 1, 2010... 1. Introduction Concept Lattices is the common name for a specialized form of Hasse diagrams [1] that is used in conceptual data processing. Concept Lattices are a principled way of representing and visualizing the structure of symbolic data...

Deconvolution of defocused image with multivariate local polynomial regression and iterative Wiener filtering in DWT domain.(Research Article)(Report)
January 1, 2010... 1. Introduction Shooting a real world image with a camera through an optical device gives a 2D image where at least some parts are affected by a blur and noise. Images can be blurred by atmospheric turbulence, relative motion between sensors...

Effects of slip and heat generation/absorption on MHD mixed convection flow of a micropolar fluid over a heated stretching surface.(Research Article)(magnetohydrodynamic)(Report)
January 1, 2010... 1. Introduction Micropolar fluids are those with microstructure belonging to a class of complex fluids with nonsymmetrical stress tensor, and usually referred to as micromorphic fluids. Physically they represent fluids consisting of randomly...

Output regulation problem for differentiate families of linear systems.(Research Article)(Report)
January 1, 2010... 1. Introduction The output regulation problem arose as one of the main research topics in linear control theory in the 1970s. This problem considers controlling a given plant such that its output tracks a reference signal or rejects a...

Adaptive teleoperation system with neural network-based multiple model control.(Research Article)(Report)
January 1, 2010... 1. Introduction Applications of master-slave teleoperation system can be found in many areas from micro to macro scales. A teleoperation system or a bilateral telemanipulation system is a complex electro-mechanical system with a master and a...

Computing exact solutions to a generalized Lax-Sawada-Kotera-Ito seventh-order KdV equation.(Research Article)(Report)
January 1, 2010... 1. Introduction Many direct and computational methods have been used to handle nonlinear partial differential equations (NLPDE's). Some methods used in a satisfactory way to obtain exact solutions to NLPDE's are inverse scattering method [1],...

Exact solutions to KdV6 equation by using a new approach of the projective Riccati equation method.(Research Article)(Report)
January 1, 2010... 1. Introduction The sixth-order nonlinear wave equation ([[partial derivative].sup.3.sub.x] + 8[u.sub.x] [[partial derivative].sub.x] + 4[u.sub.xx]) ([u.sub.t] + [u.sub.xxx] + 6u.s[u.2.sub.x]) = 0 (1.1) has been recently derived by...

A nonlinear projection neural network for solving interval quadratic programming problems and its stability analysis.(Research Article)(Report)
January 1, 2010... 1. Introduction In lots of engineering applications including regression analysis, image and signal progressing, parameter estimation, filter design and robust control, and so forth [1],it is necessary to solve the following quadratic...

Models, methods, and applications of dynamics and control in engineering sciences: state of the art.(Editorial)
January 1, 2010... The goal of this special issue of Mathematical Problems in Engineering (MPE) is to present papers, containing complete reviews on modern dynamics models, available in the current literature, classify them, and discuss their applications and...

Fuzzy linguistic optimization on surface roughness for CNC turning.(Research Article)(Report)
January 1, 2010... 1. Introduction Machining operations have been the core of the manufacturing industry since the industrial revolution [1]. The existing optimization researches for computer numerical controlled (CNC) turning were either simulated within...

Robust control of continuous bioprocesses.(Research Article)(Report)
January 1, 2010... 1. Introduction The goal of bioprocess control is to optimize the performance of processes involving industrially important organisms, biomedically relevant species, and the degradation of pollutants [1]. In general, a mathematical model...

Symplectic integrators to stochastic Hamiltonian dynamical systems derived from composition methods.(Research Article)(Report)
January 1, 2010... 1. Introduction The theory of Hamiltonian dynamical systems is understood as one of the fundamental tools for the description of dynamical phenomena treated in physics, engineering, and economics. To investigate the behavior of such a system,...

A new variational model for segmenting objects of interest from color images.(Research Article)(Report)
January 1, 2010... 1. Introduction Image segmentation is one of the fundamental problems in image processing and computer vision. Recently, variational methods have been extensively studied for image segmentation because of their flexibility in modeling and...

On the existence of a weak solution of a half-cell model for PEM fuel cells.(Research Article)(Report)
January 1, 2010... 1. Introduction The modelling of fuel cells has been an attractive topic in the field of electrochemical theory. In the last decade, models for proton exchange membrane (PEM) fuel cells have been formulated by many scientists (see, e.g.,...

Combining biometric fractal pattern and particle swarm optimization-based classifier for fingerprint recognition.(Research Article)(Report)
January 1, 2010... 1. Introduction Physiological biometrics for uniquely recognizing humans include fingerprints, facial features, hand and palm geometry, deoxyribonucleic acid (DNA), retina, and vein authentication. These information are permanent and unique,...

A zero-dissipative Runge-Kutta-Nystrom method with minimal phase-lag.(Research Article)(Report)
January 1, 2010... 1. Introduction This paper deals with numerical method for second-order ODEs, in which the derivative does not appear explicitly, q" = f (t,q),q([t.sub.0])= [q.sub.0],q'([t.sub.0]) = [q.sub.0], (1.1) for which it is known in advance...

Generalised filtering.(Research Article)(Report)
January 1, 2010... 1. Introduction This paper is about the inversion of dynamic causal models based on nonlinear state-space models in continuous time. These models are formulated in terms of ordinary or stochastic differential equations and are ubiquitous in...

Nonlinear dynamic response of functionally graded rectangular plates under different internal resonances.(Research Article)(Report)
January 1, 2010... 1. Introduction Functionally graded materials (FGMs) are new engineering materials. Due to their advantages of being able to withstand severe high-temperature gradient while maintaining structural integrity, FGMs are considered to be advanced...

A model of gear transmission: fractional order system dynamics.(Research Article)(Report)
January 1, 2010... 1. Introduction Gear transmissions have a long history dating back since the time of the first engineering systems. Their practical usage in the present day modern engineering systems is enormous. In accordance with contemporary development...

An intelligent packet loss control heuristic for connectionless real-time voice communication.(Research Article)(Report)
January 1, 2010... 1. Introduction Today, real-time communication is getting more focus from both the academic community and industry. Unlike ordinary communications, real-time communication is highly sensitive to delays. In an ordinary data transmission,...

Viscoelastic fluid over a stretching sheet with electromagnetic effects and nonuniform heat source/sink.(Research Article)(Report)
January 1, 2010... 1. Introduction The study of steady boundary layer flow and heat transfer of non-Newtonian fluid is relevant to several applications in the field of science and engineering. The investigation of steady boundary layer flows over a stretching...

Dynamic MRR function optimization using calculus of variations.(Research Article)(material removal rate)(Report)
January 1, 2010... 1. Introduction The cutting conditions of a cutting tool have been the most critical variables in the machining process. Cutting speed, feed rate, and depth of cut were considered as three factors of input cutting parameters. Liew and Ding...

Digital image reconstruction in the spectral domain utilizing the Moore-Penrose inverse.(Research Article)(Report)
January 1, 2010... 1. Introduction To recover a sharp image from its blurry observation is the problem known as image deblurring. It frequently arises in imaging sciences and technologies and is crucial for allowing to detect important features and patterns...

Solution of the dynamic interaction problem between a framed structure and an acoustic cavity using imposed deformation functions at the interface.(Research Article)(Report)
January 1, 2010... 1. Introduction The problems of dynamic fluid-structure interactions are of great interest to a wide range of research fields in engineering. In these cases, the movement of these two subsystems is not independent and is governed by dynamic...

Second law analysis for a variable viscosity reactive Couette flow under Arrhenius kinetics.(Research Article)(Report)
January 1, 2010... 1. Introduction In fluid dynamics, Couette flow refers to the laminar flow of a viscous fluid in the space between two parallel plates, one of which is moving relative to the other. This type of flow is named in honor of Maurice Marie Alfred...

Modelling and quasilinear control of compressor surge and rotating stall vibrations.(Research Article)(Report)
January 1, 2010... 1. Introduction Compressor surge and rotating stall vibrations place fundamental limitations on aircraft engine performance and remain persistent problems in the development of axial compressor and fan stages. Compressor surge and rotating...

The solution of Mitchell's problem for the elastic infinite cone with a spherical crack.(Research Article)(Report)
January 1, 2010... 1. Introduction The problems of the fracture mechanics and the non-destructive material testing demand the estimation of the stress intensity factor (SIF) around a crack located in an elastic body is important, as it is well known, because of...

Existence of three positive solutions to nonlinear boundary value problems.(Research Article)(Report)
January 1, 2010... 1. Introduction In this paper, we are concerned with the existence of three positive solutions for the boundary value problem (BVP) L = f(t,x), 0 < t < 1, (1.1) [w.sub.1] x (0)- [w.sub.2]x' (0)=0, [w.sub.3] x (1) + [w.sub.4]x'...

Time-dependent statistical analysis of wide-area time-synchronized data.(Research Article)(Report)
January 1, 2010... 1. Introduction Phenomena observed in power system oscillatory dynamics are diverse and complex. Remotely sensed measured data are known to exhibit noisy, nonstationary fluctuations resulting primarily from small magnitude, random load...

Pulsatile flow of a two-fluid model for blood flow through arterial stenosis.(Research Article)(Report)
January 1, 2010... 1. Introduction The analysis of blood flow through stenosed arteries is very important because of the fact that the cause and development of many arterial diseases leading to the malfunction of the cardiovascular system are, to a great...

Outer planet missions with electric propulsion systems--part I.(Research Article)(Report)
January 1, 2010... 1. Introduction In October 1998, NASA launched Deep Space 1 (DS1) that was the first deep space mission having been propelled by solar electric propulsion [1, 2]. Later, Smart-1 (ESA-2003) and Hayabusa (Japan-2003) were launched. With the...

Analysis of large-amplitude pulses in short time intervals: application to neuron interactions.(Research Article)(Report)
January 1, 2010... 1. Introduction The classical model of one excitatory neuron [1-11] is considered under a spike train (time-dependent) excitation. The dynamical system as well as its evolution are investigated under the dependence on some featuring...

Influence of asymmetric mesh stiffness on dynamics of spiral bevel gear transmission system.(Research Article)(Report)
January 1, 2010... 1. Introduction Spiral bevel gear has been widely used in many power transmission systems due to its considerable technical advantages. Owing to backlash, time-varying mesh stiffness, and many other nonlinear factors, gear transmission system...

Fractals and hidden symmetries in DNA.(Research Article)(Report)
January 1, 2010... 1. Introduction The main task of this paper is to show the existence of hidden geometries which underly the structure of a DNA sequence. Moreover, it will be shown that this geometry is fractal. In order to achieve this goal the fundamental...

Research on ossicular chain mechanics model.(Research Article)(Report)
January 1, 2010... 1. Introduction Recently, with the rapid development of biological science, there is a growing concern about the research on human organs. So the research on middle ear structure and function has started in the ascendant. From different...

Sensitivity with respect to the path parameters and nonlinear stiffness of vibration transfer path systems.(Research Article)(Report)
January 1, 2010... 1. Introduction The level of vibration and noise relates to the quality of mechanical products and equipments. That is to say mechanical products with proper vibration and noise characteristics are prone to be favored by customers and are...

Lyapunov-based PD linear control of the oscillatory behavior of a nonlinear mechanical system: the inverted physical pendulum with moving mass case.(Research Article)(Report)
January 1, 2010... 1. Introduction Vibrating mechanical systems constitute an important class of dynamical systems. In fact buildings, bridges, car suspensions, pacemakers, wind generators, and hi-fi speakers (or even the mammalian middle ear) are common...

A tutorial on nonlinear time-series data mining in engineering asset health and reliability prediction: concepts, models, and algorithms.(Report)
January 1, 2010... 1. Introduction Dynamic behavior of real world systems can be represented by measurements along temporal dimension (time series). These time series are collected over long periods of time and such time series is usually a source of large...

A new method solving contact/detach problem in fluid and structure interaction simulation with application in modeling of a safety valve.(Research Article)(Report)
January 1, 2010... 1. Introduction Numerical simulation of fluid and structure interaction problem or transient flow problem involving multibody in relative motion using dynamic grid technique often encounters difficulties of dealing with contact/detach...

Thermal characterizations of exponential fin systems.(Research Article)(Report)
January 1, 2010... 1. Introduction Enhancing heat transfer between solids and the adjoining fluids is one of the most important objectives in thermal engineering. Therefore, many methods were proposed to achieve this goal. Bergles [1, 2] classified these...

Analysis of nonlinear dispersion of a pollutant ejected by an external source into a channel flow.(Research Article)(Report)
January 1, 2010... 1. Introduction Pollution of water sources like rivers and lakes, say resulting from industrial waste discharge, is a serious socioecological hazard. If the problem is not carefully controlled and monitored, large communities can be exposed...

A Leontief-type input-output inclusion.(Research Article)(Report)
January 1, 2010... 1. Introduction In this paper, we study the solvability and stability of the following input-output inclusion: x [member of] X [subset] [R.sup.n.sub.+] c [member of] (I - A)x = x - Ax, (1.1) where [R.sup.n.sub.+] is the set of...

An adaptive approach for defending against DDoS attacks.(Research Article)(Report)
January 1, 2010... 1. Introduction DDoS attacks have been one of the most hazardous threats on the Internet [1-6]. The attacks generate enormous packets by a large number of agents and can easily exhaust the computing and communication resources of a victim...

Identification of a Duffing oscillator under different types of excitation.(Research Article)(Report)
January 1, 2010... 1. Introduction In many applications nonlinear effects may affect significantly the dynamics, even when the amplitude of the motion is sufficiently small. These dynamical effects must be accounted for in order to accurately understand and...

Assessing local turbulence strength from a time series.(Research Article)(Report)
January 1, 2010... 1. Introduction A deterministic definition of the atmospheric state as a function of time t in a domain D can be made in terms of the values of the various meteorological variables (wind, temperature, pressure, moisture, etc.) at each point...

The effects of thermal radiation, hall currents, Soret, and Dufour on MHD flow by mixed convection over a vertical surface in porous media.(Research Article)(Report)
January 1, 2010... 1. Introduction The range of free convective flows that occur in nature and in engineering practice is very large and has been extensively considered by many researchers (see, [1, 2], among others). When heat and mass transfer occur...

Robust ESO two-degree-of-freedom control design for permanent magnet synchronous motor.(Research Article)(Report)
January 1, 2010... 1. Introduction The PMSM plays an important role in industrial application due to its high efficiency, high power density, low inertia, no need for maintenance, and high air gap magnetic density [1, 2]. To achieve the high-performance...

Rumor propagation model: an equilibrium study.(Research Article)(Report)
January 1, 2010... 1. Introduction An important mark in epidemiological mathematics is the publication of the works by Kermack and McKendrick establishing the SIR (Susceptible-Infected-Removed) compartmental model [1-3]. This model with slight changes has been...

Parameters identification and synchronization of chaotic delayed systems containing uncertainties and time-varying delay.(Research Article)(Report)
January 1, 2010... 1. Introduction In recent years, delayed dynamical systems (so called, DDEs) have attracted lots of attention in the field of nonlinear dynamics, and the dynamical properties of DDEs have been extensively investigated. Strictly speaking, time...

Hypothesis designs for three-hypothesis test problems.(Research Article)(Report)
January 1, 2010... 1. Introduction In practice, the multihypothesis test problems are of considerable interest in the areas of engineering, agriculture, clinical medicine, psychology, and so on. For instance, the multihypothesis tests are involved in pattern...

High accuracy combination method for solving the systems of nonlinear Volterra integral and integro-differential equations with weakly singular kernels of the second kind.(Research Article)(Report)
January 1, 2010... 1. Introduction In this paper, we first consider the following system of differential equations: [x'.sub.i](t) = [f.sub.i](t, x(t), z(t)), [x.sub.i](0) = [x.sub.i0], i = 1,..., m, (1.1) where x(t) = ([x.sub.1](t),..., [x.sub.m](t)),...

Virtual enterprise risk management using artificial intelligence.(Research Article)(Report)
January 1, 2010... 1. Introduction A virtual enterprise (VE)[1] is a dynamic alliance of autonomous, diverse, and possibly geographically dispersed member companies composed of one owner and several partners that pool their resource to take advantage of a...

An efficient VLSI linear array for DCT/IDCT using subband decomposition algorithm.(Research Article)(Report)
January 1, 2010... 1. Introduction With rapid growth of modern communication applications and computer technologies, image compression and real-time computation of nonlinear time series continues to be in great demand. Discrete Cosine transform (DCT) is one of...

Nonlinear time-varying spectral analysis: HHT and MODWPT.(Research Article)(Report)
January 1, 2010... 1. Introduction Time-frequency (TF) analysis has experienced a number of qualitative and quantitative changes during the last three decades, and has gradually received growing attentions and further applications in a variety of fields such as...

Nonlinear free vibration for viscoelastic moderately thick laminated composite plates with damage evolution.(Research Article)(Report)
January 1, 2010... 1. Introduction The structure will present the resonance phenomenon when the external excitation frequency is near to a certain natural frequency of the structure during the service life of the structures. Structure destructions caused by the...

Determining neighborhoods of image pixels automatically for adaptive image denoising using nonlinear time series analysis.(Research Article)(Report)
January 1, 2010... 1. Introduction Image denoising is a very important image preprocessing step. In acquisition, images would be more or less affected by noise. Noise will make the image quality reduction, which will influence the subsequent processing steps....

Vibration analysis of an optical fiber coupler using the differential quadrature method.(Report)
January 1, 2010... 1. Introduction An optical fiber coupler is an optical device with several input fibers and several output fibers. The optical fibers in couplers may be under shock and impact. Cheng and Zu [1] and Sun [2] studied vibration of an optical...

Stochastic dynamic programming applied to hydrothermal power systems operation planning based on the convex hull algorithm.(Research Article)(Report)
January 1, 2010... 1. Introduction The long-term hydrothermal system operation (LTHSO) objective is to determine the amount each hydro- and thermal plant must generate for minimizing the expected operation cost at a given horizon of T monthly stages [1], To...

A decomposition and noise removal method combining diffusion equation and wave atoms for textured images.(Research Article)(Report)
January 1, 2010... 1. Introduction A major topic in the image processing community is concerning the extraction of features. Some of the current research has been aimed at decomposing an image into various auxiliary images, each representing a specific set of...

Nonlinear filtering of oscillatory measurements in cardiovascular applications.(Research Article)(Report)
January 1, 2010... 1. Introduction Oscillatory signals in the cardiovascular region either originate directly from the sinoatrial node or one of the neurons as an action potential traverses to the ventricle myocytes. Alternatively they are functions or weighted...

Fractional order calculus: basic concepts and engineering applications.(Report)
January 1, 2010... 1. Introduction The fractional order calculus (FOC) was unexplored in engineering, because of its inherent complexity, the apparent self-sufficiency of the integer order calculus (IOC), and the fact that it does not have a fully acceptable...

The application of nonlinear spectral subtraction method on millimeter wave conducted speech enhancement.(Research Article)(Report)
January 1, 2010... 1. Introduction Speech enhancement is an important problem in many speech processing applications, such as mobile communications, speech recognition, coding and communication applications. The main objective of speech enhancement is to...

Positive approximation and interpolation using compactly supported radial basis functions.(Research Article)(Report)
January 1, 2010... 1. Introduction The problem of scattered data interpolation consists of constructing a function that interpolates data values which are known at some scattered points. However, we often have some additional information that we wish to confine...

Parametric and nonparametric empirical regression models: case study of copper bromide laser generation.(Research Article)(Report)
January 1, 2010... 1. Introduction The object of research of this paper is a low-temperature copper bromide vapor (CuBr) laser, with a wavelength of 510.6 nm and 578.2 nm. This type of laser is one of the most promising of the group of metal vapor lasers. It is...

Blind deconvolution for jump-preserving curve estimation.(Research Article)(Report)
January 1, 2010... 1. Introduction Nonparametric regression analysis provides us statistical tools for estimating regression functions from noisy data [1]. When the underlying regression function has jumps, the estimated functions by conventional nonparametric...

Multi-working modes product-color planning based on evolutionary algorithms and swarm intelligence.(Research Article)(Report)
January 1, 2010... 1. Introduction Color plays an important part in determining the appeal of a product to its potential customers. With the replacement of different colors, the individuals' requirements of different customer groups can be satisfied. More and...

Euler-Maclaurin closed form finite state space model for a string applied to broadband plate vibrations.(Research Article)(Report)
January 1, 2010... 1. Introduction The broadband high-frequency analysis of distributed parameter systems governed by partial differential equations usually requires a very large multimodal model, a many-node discrete grid finite difference or finite element...

Point ordering with natural distance based on Brownian motion.(Research Article)(Report)
January 1, 2010... 1. Introduction In many engineering fields such as the reverse engineering of geometric models and image processing of medical images, great attention has been shown to the problems of reconstructing a shape from sample points. The curve...

A new estimation algorithm from measurements with multiple-step random delays and packet dropouts.(Research Article)(Report)
January 1, 2010... 1. Introduction Originally, signal estimation problems were addressed under the assumption that the sensor data are transmitted over perfect communication channels, thus being received either instantaneously or with a known deterministic...