نتایج جستجو برای: روش ghm
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We present a numerical study on ground state properties of a one-dimensional (1D) general Hubbard model (GHM) with particle-assisted tunnelling rates and repulsive on-site interaction (positive-U), which describes fermionic atoms in an anisotropic optical lattice near a wide Feshbach resonance. For our calculation, we utilize the time evolving block decimation (TEBD) algorithm, which is an exte...
BACKGROUND AND OBJECTIVE Beta-adrenoreceptor blocking agents are important for the treatment of myocardial infarction (MI). Accumulating evidence also indicates that growth hormone (GH) improves cardiac function after MI in rats. We aimed to investigate the cardiovascular effects of combined treatment in an animal model of MI. METHODS MI was induced in rats by ligation of the left coronary ar...
We present a comparative analysis of projected impacts of climate change on river runoff from two types of distributed hydrological model, a global hydrological model (GHM) and catchment-scale hydrological models (CHM). Analyses are conducted for six catchments that are global in coverage and feature strong contrasts in spatial scale as well as climatic and developmental conditions. These inclu...
Dams and water diversions can dramatically alter the hydraulic habitats of stream ecosystems. Predicting how water depth and velocity respond to flow alteration is possible using hydraulic models, such as Physical Habitat Simulation (PHABSIM); however, such models are expensive to implement and typically describe only a short length of stream (10m). If science is to keep pace with development, ...
در این مقاله، پاسخ دینامیکی تیر ساندویچی مرکب با هسته ی ویسکوالاستیک و انعطاف پذیر جانبی با شرایط تکیه گاهی ساده به صورت تحلیلی بررسی شده است. برای تحلیل تیر تئوری سه لایه ساندویچی به کار رفته است. معادلات حاکم بر مسئله با استفاده از اصل هامیلتون استخراج شده است. به دلیل عدم توانایی مدل های کلاسیک در توصیف جامع عملکرد دینامیکی مواد ویسکوالاستیک، از مدل ghm برای مدل سازی هسته ی ویسکوالاستیک استف...
Car reverse image is transmitted by information bus. Because of the bad electromagnetic environment of the engine compartment, car’s information bus sometime will be blocked or not real-time, which can lead to the uncertainty of information transmission, and will cause the risks of security and reliability of the transmitted network. A GHM multi-wavelet is adopted by this paper to restore the i...
To develop Human-centric Driver Assistance Systems (HDAS) for automatic understanding and charactering of driver behaviors, an efficient feature extraction of driving postures based on Geronimo–Hardin–Massopust (GHM) multiwavelet transform is proposed, and Multilayer Perceptron (MLP) classifiers with three layers are then exploited in order to recognize four pre-defined classes of driving postu...
Fractal measures of images of continuous maps from the set of p-adic numbers Q p into complex plane C are analyzed. Examples of " anomalous " fractals, i.e. the sets where the D-dimensional Hausdorff measures (HM) are trivial, i.e. either zero, or σ-infinite (D is the Hausdorff dimension (HD) of this set) are presented. Using the Caratheodory construction, the generalized scale-covariant HM (GH...
The Greenberg–Hastings model (GHM) is a simple cellular automaton which emulates two properties of excitable media: excitation by contact and a refractory period. We study two ways in which external stimulation can make ring dynamics in the GHM recurrent. The first scheme involves initial placement of excitation centers which gradually lose strength, i.e. each time they become inactive (and the...
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