نتایج جستجو برای: مدل استاندارد hmax

تعداد نتایج: 148353  

Journal: :Çukurova Üniversitesi Mühendislik Fakültesi Dergisi 2022

This study investigated flow characteristics and heat transfer enhancement in various sinusoidal corrugated channels. The channel height the phase shift effects on structures thermal performances were examined numerically for Reynolds numbers range of 2500≤Re≤7500. geometrical configurations this cover three different heights (Hmin/Hmax=0.36, 0.54, 0.72) angles (φ=0°, 90°, 180°). Velocity distr...

In the ADM the dark matters interact with the ordinary matters exclusively through the electromagnetic anapoles. Meanwhile, the only allowed electromagnetic form factor for the spin 1/2 Majorana fermions is the anapole one. We study the electromagnetic interaction of the Majorana neutrinos in non-commutative standard model (NCSM) and the Lorentz violated extension of the standard model (SME). C...

2007
N. Ghotbi

The purpose of this study was to investigate the validity of the modified Ashworth Scale (MAS) by using both the conventional (Hmax/Mmax ratio) and the new indicators (Hslp/Mslp) of motoneuron excitability. This research was a correlational study on twenty post-stroke patients. Main outcome measures were the MAS and electrophysiologic assessments. The latter was performed using both conventiona...

Journal: :J. Inf. Sci. Eng. 2008
Vinay Madenur Neeraj Mittal

The group mutual exclusion problem is an extension of the traditional mutual exclusion problem in which every critical section is associated with a type or a group. Processes requesting critical sections of the same type can execute their critical sections concurrently. However, processes requesting critical sections of different types must execute their critical sections in a mutually exclusiv...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1388

از آنجا که تعاملات الکترونیکی رو در رو (face to face) نیستند لذا بحث احراز هویت به عنوان یکی از موارد امنیت الکترونیکی محسوب می شود . اگر بتوان به روشی مطمئن ثابت کرد که طرفین تجاری همان کسانی هستند که ادعا می کنند ، مسلما یکی از چالش های موجود در تعاملات الکترونیکی برطرف خواهد شد.(authentication) در این مقاله با در کنار هم آوردن شاخص بیومتریک افراد ، شناسایی از طریق امواج رادیویی (rfid) و پرد...

2003
Shun-Rong Zhang William L. Oliver John M. Holt Shoichiro Fukao

This paper explores the relative accuracy of deriving solar EUV flux, exospheric temperature Tex, and meridional winds using complete altitude profiles of ionosphere electron density as compared to just using key parameters such as Nmax, hmax and ionospheric electron content. Incoherent scatter radar observations at Millstone Hill and Shigaraki and an ionospheric model are used in this study. W...

Journal: :Zeitschrift fur Naturforschung. Section C, Biosciences 1983
H Stieve M Bruns H Gaube

Lowering the extracellular calcium concentration from 10 mmol/l to 1 nmol/l causes, besides reducing membrane potential (PMP) and peak amplitude (hmax) of the light response of the Limulus ventral nerve photoreceptor (see Stieve and Bruns [1]), a prolongation of the time course of the light response. The retarded time course (characterized by latent-period tlat, time-to-peak tmax, decrease time...

2012
Karim Rajaei Seyed-Mahdi Khaligh-Razavi Masoud Ghodrati Reza Ebrahimpour Mohammad Ebrahim Shiri Ahmad Abadi

The brain mechanism of extracting visual features for recognizing various objects has consistently been a controversial issue in computational models of object recognition. To extract visual features, we introduce a new, biologically motivated model for facial categorization, which is an extension of the Hubel and Wiesel simple-to-complex cell hierarchy. To address the synaptic stability versus...

2016
Somayeh Saraf Esmaili Keivan Maghooli Ali Motie Nasrabadi

This paper presents a model for view independent recognition using features biologically inspired from dorsal and ventral stream of visual cortex. The presented model is based on the C3 features inspired from Ventral stream and Itti's visual attention model inspired from the dorsal stream of visual cortex. The C3 features, which are based on the higher layer of the HMAX of the ventral stream of...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - پژوهشکده برق و کامپیوتر 1391

مغز انسان هر روزه حجم وسیعی از داده‎های با ابعاد زیاد همچون تصاویرو گفتگوها را به صورت مستمر پردازش و بازشناسی می‎کند. با آنکه ماشین‎ها سرعت محاسباتی بالایی دارند اما از این حیث از انسان بسیار ضعیف‎تر هستند. الگوریتم‎هایی که قادر بر تقلید و بازسازی روش‎های محاسباتی و یادگیری مغز باشند، راه حل بر‎طرف کردن ضعف ماشین‎ها در این زمینه هستند. در این پروژه نیز هدف، رسیدن به مدلی از ادراک بینایی برای ت...

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