نتایج جستجو برای: regular filter

تعداد نتایج: 243147  

2010
Nimrod Milo Tamar Pinhas Michal Ziv-Ukelson

In this paper, we define a novel variation on the constrained sequence alignment problem, the Sequence Alignment with Regular Expression Path Constraint problem, in which the constraint is given in the form of a regular expression. Our definition extends and generalizes the existing definitions of alignment-path constrained sequence alignments to the expressive power of regular expressions. We ...

Journal: :Nature nanotechnology 2007
Jianping Fu Reto B Schoch Anna L Stevens Steven R Tannenbaum Jongyoon Han

Microfabricated regular sieving structures hold great promise as an alternative to gels to improve the speed and resolution of biomolecule separation. In contrast to disordered porous gel networks, these regular structures also provide well defined environments ideal for the study of molecular dynamics in confining spaces. However, the use of regular sieving structures has, to date, been limite...

Journal: :iranian journal of medical physics 0
a. boroomand m.sc. in biomedical engineering, tehran university of medical sciences, tehran, iran a. ahmadian associate professor, physics and biomedical engineering dept., tehran university of medical sciences, tehran, iran research center for science & technology in medicine, imam khomeini hospital, tehran, iran m.a. oghabian associate professor, physics and biomedical engineering dept., tehran university of medical sciences, tehran, iran

introduction: the accuracy of analyzing functional mri (fmri) data is usually decreases in the presence of noise and artifact sources. a common solution in for analyzing fmri data having high noise is to use suitable preprocessing methods with the aim of data denoising. some effects of preprocessing methods on the parametric methods such as general linear model (glm) have previously been evalua...

Journal: :international journal of communications and information technology 2011
a. tavousi m. a. mansouri-birjandi m. saffari

here, we propose an add-drop and a channel drop filter based on two-dimensional photonic crystal all circular ring resonators. these structures are made of a square lattice of silicon rods with the refractive index n1=3.464 surrounded by air (with refractive index n2=1). the broadest photonic band gap occurs at the filling ratio of r/a = 0.17. two linear defect w1 waveguides couple to the ring....

Journal: :J. Comput. Physics 2008
John Harlim Andrew J. Majda

Real time filtering of noisy turbulent signals through sparse observations on a regularly spaced mesh is a notoriously difficult and important prototype filtering problem. Simpler off-line test criteria are proposed here as guidelines for filter performance for these stiff multi-scale filtering problems in the context of linear stochastic partial differential equations with turbulent solutions....

Journal: :international journal of group theory 2012
m. chiara tamburini bellani

‎let $v$ be a vector space over a field $f$ of characteristic $pgeq 0$ and let‎ ‎$t$ be a regular subgroup of the affine group $agl(v)$‎. ‎in the finite dimensional case we show that‎, ‎if $t$ is abelian or $p>0$‎, ‎then $t$ is unipotent‎. ‎for $t$ abelian‎, ‎pushing forward some ideas used in [a‎. ‎caranti‎, ‎f‎. ‎dalla volta and m‎. ‎sala‎, ‎abelian regular subgroups of the affine group and r...

Journal: :sahand communications in mathematical analysis 0
appachi vadivel department of mathematics, annamalai university, annamalai nagar-608002, tamil nadu, india. elangovan elavarasan department of mathematics, annamalai university, annamalai nagar-608002, tamil nadu, india.

in this paper, we introduce and study the concept of $r$-fuzzy regular semi open (closed) sets in smooth topological spaces. by using $r$-fuzzy regular semi open (closed) sets, we define a new fuzzy closure operator namely $r$-fuzzy regular semi interior (closure) operator. also, we introduce fuzzy regular semi continuous and fuzzy regular semi irresolute mappings. moreover, we investigate the ...

Journal: :journal of algebraic system 0
s. motamed department of mathematics, bandar abbas branch, islamic azad university, bandar abbas, iran.

‎in this paper‎, ‎the notion of the radical of a filter in‎ ‎residuated lattices is defined and several characterizations of‎ ‎the radical of a filter are given‎. ‎we show that if f is a‎ ‎positive implicative filter (or obstinate filter)‎, ‎then‎ ‎rad(f)=f‎. ‎we proved the extension theorem for radical of filters in residuated lattices‎. ‎also‎, ‎we study the radical‎ ‎of filters in linearly o...

Journal: :journal of artificial intelligence in electrical engineering 2013
arezu maleki

in this paper, we proposed a novel structure for designing all optical filter based on photonic crystal structure. in designing the proposed filter, we simply employed a point defect localized between input and output waveguides as wavelength selecting part of the filter. the initial form of this filter is capable of selecting optical waves at =1560 nm, the transmission efficiency of the filte...

2010
Natalia Stakhanova Hanli Ren Ali A. Ghorbani

The signature-based intrusion detection is one of the most commonly used techniques implemented in modern intrusion detection systems (IDS). One of the powerful tools that gained wide acceptance in IDS signatures over the past several years is the regular expressions. However, the performance requirements of traditional methods for matching the incoming events against regular expressions are pr...

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