نتایج جستجو برای: wind speed swd

تعداد نتایج: 276335  

2016
Birgir Hrafnkelsson Gudmundur V. Oddsson Runar Unnthorsson Frede Blaabjerg

A novel Monte Carlo (MC) approach is proposed for the simulation of wind speed samples to assess the wind energy production potential of a site. The Monte Carlo approach is based on historical wind speed data and reserves the effect of autocorrelation and seasonality in wind speed observations. No distributional assumptions are made, and this approach is relatively simple in comparison to simul...

2016
Dirk M. Hermann Claudio L. Bassetti

BACKGROUND Sleep-disordered breathing (SDB) and sleep-wake disturbances (SWD) are highly prevalent in stroke patients. Recent studies suggest that they represent both a risk factor and a consequence of stroke and affect stroke recovery, outcome, and recurrence. METHODS Review of literature. RESULTS Several studies have proven SDB to represent an independent risk factor for stroke. Sleep stu...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2001
R Staak H C Pape

The contribution of GABAergic mechanisms in thalamic relay nuclei to spike and wave discharges (SWDs) during spontaneous seizures was assessed using the WAG/Rij strain of rats, an established genetic model of absence epilepsy, in combination with single-unit recordings and microiontophoretic techniques in the ventrobasal thalamic complex in vivo. Spontaneous SWDs occurring on the electroencepha...

Journal: :IEEE Trans. Geoscience and Remote Sensing 2003
Simon Yueh Bryan W. Stiles W. Timothy Liu

The use of QuikSCAT data for wind retrievals of tropical cyclones is described. The evidence of QuikSCAT 0 dependence on wind direction for 30-m/s wind speeds is presented. The QuikSCAT 0 show a peak-to-peak wind direction modulation of 1 dB at 35-m/s wind speed, and the amplitude of modulation decreases with increasing wind speed. The decreasing directional sensitivity to wind speed agrees wel...

2011
HIROKI TOKINAGA SHANG-PING XIE

Ship-based measurements of sea surface wind speed display a spurious upward trend due to increases in anemometer height. To correct this bias, the authors constructed a new sea surface wind dataset from ship observations of wind speed and wind wave height archived in the International Comprehensive Ocean– Atmosphere Data Set (ICOADS). The Waveand Anemometer-based Sea surface Wind (WASWind) data...

ژورنال: مهندسی دریا 2009
تائبی, سهیلا, گلشنی, علی اصغر,

The goal of this study was to provide quality assurance for QuikSCAT wind speed and direction in Iranian adjacent seas including the Caspian Sea, the Persian Gulf and the Gulf of Oman. Synoptic station wind data and numerical atmospheric models in the study area were compared with QuikSCAT wind field. Time difference and spatial separation between the QuikSCAT and synoptic observations were lim...

Journal: :Journal of the American Mosquito Control Association 2008
W Clint Hoffmann Bradley K Fritz Muhammad Farooq Miriam F Cooperband

Bioassay cages are commonly used to assess efficacy of insecticides against adult mosquitoes in the field. To correlate adult mortality readings to insecticidal efficacy and/or spray application parameters properly, it is important to know how the cage used in the bioassay interacts with the spray cloud containing the applied insecticide. This study compared the size of droplets, wind speed, an...

Journal: :محیط زیست طبیعی 0
مهرداد رفیع پور دانشگاه خواجه نصیر علی اصغر آل شیخ استاد/دانشگاه خواجه نصیر عباس علیمحمدی دانشیار/دانشگاه خواجه نصیر ابوالقاسم صادقی نیارکی استادیار/دانشگاه خواجه نصیر

ozone concentration in metropolitan areas frequently exceed regulatory standards now. since it is harmful on human health and environment, its modeling and visualization are of vital important. modeling and prediction of ozone is required by urban managers to control and prevent its effects. in this paper, important parameters influencing the hourly ozone concentration are estimated by using da...

2013
Jooyoung Jeon James W. Taylor

Of the various renewable energy resources, wind power is widely recognized as one of the most promising. The management of wind farms and electricity systems can benefit greatly from the availability of estimates of the probability distribution of wind power generation. However, most research has focused on point forecasting of wind power. In this paper, we develop an approach to producing dens...

Journal: :Experimental neurology 2013
Annika Lüttjohann Jan-Mathijs Schoffelen Gilles van Luijtelaar

PURPOSE The brain is a highly interconnected neuronal assembly in which network analyses can greatly enlarge our knowledge on seizure generation. The cortico-thalamo-cortical network is the brain-network of interest in absence epilepsy. Here, network synchronization is assessed in a genetic absence model during 5 s long pre-ictal->ictal transition periods. METHOD 16 male WAG/Rij rats were equ...

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