نتایج جستجو برای: delay operational matrixblock pulse functions

تعداد نتایج: 771463  

Journal: :computational methods for differential equations 0
mohammadreza ahmadi darani shahrekord university. mitra nasiri shahrekord university.

in this paper we introduce a type of fractional-order polynomials basedon the classical chebyshev polynomials of the second kind (fcss). also we construct the operationalmatrix of fractional derivative of order $ gamma $ in the caputo for fcss and show that this matrix with the tau method are utilized to reduce the solution of some fractional-order differential equations.

Amir Hoshang Barati Mahboobeh Alamolhoda Manijhe Mokhtari-Dizaji,

Introduction: Transient cavitations induced by low frequency irradiation of ultrasound can be used to treat tumors. Previous studies in in-vitro experiments have shown that induced cavitation by dual or multiple frequencies of ultrasound is greater than induced cavitation by single frequency irradiation. In this study, we compared and evaluated the treatment effects of dual frequency irradiatio...

Journal: :Optics express 2008
Toshihiko Baba Takashi Kawaaski Hirokazu Sasaki Jun Adachi Daisuke Mori

This paper reports two advances in a slow light device consisting of chirped photonic crystal slab coupled waveguide on SOI substrate. One is concerning the delay-bandwidth product, indicating the buffering capacity of the device. We experimentally evaluated a record high value of 57 (a 40 ps delay and a 1.4 THz bandwidth). We also observed ~1 ps wide optical pulse transmission in the cross-cor...

Journal: :The Astrophysical Journal 1998

Journal: :نظریه تقریب و کاربرد های آن 0
m. m. shamivand department of mathematics, islamic azad university, borujerd branch, borujerd, iran. a. shahsavaran department of mathematics, islamic azad university, borujerd branch, borujerd, iran.

in this work, we present a numerical method for solving nonlinear fredholmand volterra integral equations of the second kind which is based on the useof block pulse functions(bpfs) and collocation method. numerical examplesshow eciency of the method.

Journal: :Mechanical Systems and Signal Processing 2022

The parametric identification of Hammerstein structured nonlinear systems with discontinuous asymmetric (two segment piecewise-linear a dead-zone) nonlinearity and input time delay is presented using fractional-order modeling technique. effect the unknown dead-zone separated from linear dynamics special excitation signals to simplify process. use fractional calculus permits reduced order dynami...

Journal: :Indagationes Mathematicae (Proceedings) 1976

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