نتایج جستجو برای: linear dynamic processes

تعداد نتایج: 1342499  

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

Journal: :journal of sciences, islamic republic of iran 2013
s.s. mousavi m. mohammadzadeh

spatial-temporal modeling of air pollutants, ground-level ozone concentrations in particular, has attracted recent attention because by using spatial-temporal modeling, can analyze, interpolate or predict ozone levels at any location. in this paper we consider daily averages of troposphere ozone over tehran city. for eliminating the trend of data, a dynamic linear model is used, then some featu...

Journal: :Nature 1975

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1380

آنالیز فرآیندهای ایستا در قلمرو(دامنه طیفی) بر توزیع های طیفی بنا شده است . اما برای فرآیندهای غیرایستای هارمونیک ساز(harmonizable) ، زوج (f, ) که f یک اندازه برداری (vector measure) و یک اندازه بورل می باشد ، به عنوان مشخصه های طیفی ارائه می شود. در این پایان نامه یک روش طبیعی برای ساختن نمایش طیفی ارائه می شود که این روش برای فرآیندهای مرتبه دوم (second order processes) و فرآیندهای پایدار (st...

2002
Gregor Gregorčič Gordon Lightbody

Parametric multiple model techniques have recently been proposed for the modelling of non–linear systems and use in nonlinear control. Research effort has focused on issues such as the selection of the structure, constructive learning techniques, computational issues, the curse of dimensionality, off–equilibrium behavior etc. To reduce these problems, the use of non–parametrical modelling appro...

Journal: :civil engineering infrastructures journal 0
asghar vatani oskouei department of civil engineering, shahid rajaee teacher training university, p.o.box 16785-136, tehran, iran foad kiakojouri department of structural engineering, islamic azad university, takestan branch, iran.

in this paper, the non-linear dynamic response of novel steel sandwich panel with hollow i-core subjected to blast loading was studied. special emphasis is placed on the evaluation of midpoint displacements and energy dissipation of the models. several parameters such as boundary conditions, strain rate, mesh dependency and asymmetrical loading are considered in this study. the material and geo...

Journal: :Journal of Applied Mathematics and Stochastic Analysis 1998

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