نتایج جستجو برای: dynamic spatial linear model

تعداد نتایج: 2980347  

Journal: :Ecological Informatics 2013
Kévin Le Rest David Pinaud Vincent Bretagnolle

a r t i c l e i n f o Planning actions for species conservation involves working at both an ecologically meaningful spatial scale and a scale suitable for implementing management or conservation plans. Animal populations and conservation policies often operate across wide areas. Large-extent spatial datasets are thus often used, but their analyses rarely deal with problems inherent to spatial d...

2005
E. Mubwandarikwa P. H. Garthwaite

In this paper we aim to compare the performance of three different Bayesian model averaging (or mixture) methods applied to regression dynamic linear models for beverage data from Zimbabwe. The models are chosen to reflect different plausible causal structures of association between beverage sales and other variables, thought to influence beverage sales, such as prices, temperature and maize cr...

N. Javadian, A. Baboli , F. Khaksar-Haghani, R. Kia, R. Tavakkoli-Moghaddam ,

    Dynamic cellular manufacturing systems,   Mixed-integer non-linear programming,   Production planning, Manufacturing attributes   This paper presents a novel mixed-integer non-linear programming model for the design of a dynamic cellular manufacturing system (DCMS) based on production planning (PP) decisions and several manufacturing attributes. Such an integrated DCMS model with an extensi...

C. Zhou L. Zhao X. Li Li Y. Yu

To facilitate the damping matching of dampers for vehicle passive suspensions, this paper proposes an analytical matching method of the optimal piecewise linear damping characteristics curve. Based on the vehicle vibration model, taking the suspension dynamic deflection as the constraint, by the vibration acceleration and the wheel dynamic load, an objective function about the relative damping ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

This paper aims to describe a deterministic generation of extreme waves in a typical towing tank. Such a generation involves an input signal to be provided at the wave maker in such a way that at a certain position in the wave tank, say at a position of a tested object, a large amplitude wave emerges. For the purpose, we consider a model called a spatial-NLS describing the spatial propagation o...

Journal: :Journal of Solid Mechanics and Materials Engineering 2009

Journal: :Transactions of the Society of Instrument and Control Engineers 1975

Journal: :international journal of mathematical modelling and computations 0
muhammad abdullahi yau department of mathematical sciences, nasarawa state university keffi, nigeria; nigeria m. u. adehi muktari garba department of statistics, waziri umaru federal polytechnic birnin-kebbi, nigeria. nigeria

in this work, we analyse a pair of two-dimensional coupled reaction-diusion equations known as the gray-scott model, in which spot patterns have been observed. we focus on stationary patterns, and begin by deriving the asymptotic scaling of the parameters and variables necessary for the analysis of these patterns. a complete bifurcation study of these solutions is presented. the main mathematic...

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