نتایج جستجو برای: سیستم gsm

تعداد نتایج: 78769  

Journal: : 2022

در این مقاله یک مدل ریاضی برای مسئله سیستم تولیدی همکارانه ساخت بر اساس سفارش با رعایت انصاف تخصیص بار‌های تولید طراحی شده است. اهداف اصلی مدل، کمینه‌سازی هزینه‌‌های کل و حداکثر استفاده از منابع به‌منظور عادلانه شرایط عدم­قطعیت کنترل پارامتر‌های غیرقطعی روش برنامه‌ریزی فازی ‌شده نتایج نشان می‌دهد افزایش نرخ عدم‌قطعیت، می­یابد. ازآنجاکه ظرفیت کارخانه‌ها ثابت است، مقدار تقاضا، هر کارخانه نیز می­ی...

2013
Radhika Kapoor Ayushi Singh

Standardized in 3GPP as part of the GSM/WCDMA family, EDGE is a simple and cost-efficient upgrade that provides a more than threefold increase in both the capacity and performance of GSM/GPRS networks. EDGE is a digital mobile phone technology that allows improved data transmission rates as a backward-compatible extension of GSM. The structure of EDGE resembles to that of GSM network that enabl...

2002
Yong LI Yin CHEN Tie-Jun MA

1. A BRIEF INTRODUCTION TO GSM .............................................................................................................2 1.1 MOBILE STATION................................................................................................................................................3 1.2 BASE STATION SUBSYSTEM ...................................................................

2015

speech coding in gsm pdf 260 bits.found that the use of GSM coding degrades significantly the identification and. Proposes an in-depth look at the influence of GSM speech coding on text. The full-rate GSM speech codec 2 is a lossy speech coding-decoding.In cellular communication technology, quality of voice output at destination depends on the channel condition. Bad channel condition will produ...

Journal: :Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2014
Omprakash Damodaran Jolandi van Heerden Anna K Nowak Michael Bynevelt Kerrie McDonald Julie Marsh Gabriel Lee

Gliosarcoma (GSM) is a rare primary malignant brain tumour accounting for less than 0.5% of all intracranial tumours. It has a biphasic histological composition, demonstrating both gliomatous and sarcomatous elements. In clinical practice GSM are generally managed similarly to glioblastoma multiforme (GBM). However, unique features including its clinical propensity for extra-cranial metastasis,...

2015
B. O. Ayinmode I. P. Farai

The levels of maximum power density of GSM signals in the cities of Lagos, Ibadan and Abuja were studied. Measurements were made with a calibrated hand held spectrum analyzer 200m away from 271 base stations, at 1.2m to the ground level. The maximum GSM 900 signal power density was 139.63μW/m in Lagos, 162.49μW/m in Ibadan and 5411.26μW/m in Abuja. Also, the maximum GSM 1800 signal power densit...

2010
Yangjian Cai Fei Wang

In this paper, we give a review of the tensor method for treating the propagation of scalar and electromagnetic Gaussian Schell-model (GSM) beams. Partially coherent complex curvature tensor is introduced to describe a scalar astigmatic partially coherent GSM beam with twisted phase (i.e., twisted anisotropic GSM beam). A tensor ABCD law for treating the propagation of scalar twisted anisotropi...

Journal: :Annals of vascular surgery 2014
Joé L Kolkert Robbert Meerwaldt Jan Loonstra Miranda Schenk Job van der Palen Jan J van den Dungen Clark J Zeebregts

BACKGROUND Vulnerability of the carotid plaque might be useful as a predictor for ischemic stroke risk. The gray-scale median (GSM) of the carotid plaque at B-mode imaging has been described as an objective tool to quantify vulnerability. However, its use is disputed in the published literature. This study sought to validate the GSM as a predictor for carotid plaque vulnerability. METHODS We ...

Ali Rashidy-Pour Bahram Bolouri Gholamreza Mohammadi Majid Jadidi, Seyed Mohammad Firoozabadi Yaghoob Fathollahi

Introduction: Over the last decade, exposure to electromagnetic waves due to base station antennas has increased. This study was planned to evaluate the effects of different electrical field strengths with 950 MHz waves of the GSM mobile phone system on the excitatory postsynaptic potentiation (EPSP) slope of the dentate gyrus long-term potentiation (LTP). Material and Methods: Twenty four naiv...

Journal: :International Journal of Security and Its Applications 2016

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید