نتایج جستجو برای: GIB؛ USBL؛ SBL؛ LBL
تعداد نتایج: 1720 فیلتر نتایج به سال:
در این مقاله روش هاى مختلف تعیین موقعیت زیر دریائى شامل LBL,SBL,USBL,GIB و ترکیبى از آنها معرفى مى شود و مزایا، معایب و کاربردهاى هر کدام به صورت جداگانه ارائه، سپس مطابق با شرایط محیطى منطقه نظیر عمق، توپوگرافى، نویزهاى مزاحم و غیره، سیستم مناسب ارائه مى شود و در نهایت با توجه به اینکه کشور ایران از قسمت جنوب، به آب هاى استراتژیک، دریاى عمان و خلیج فارس متصل مى باشد، سیستم مناسب براى هر ...
This paper addresses the common issue of locating an Underwater Vehicle (UV). Usually, the positioning of a vehicle is based on the propagation of electromagnetic waves, using systems such as the Global Positioning System (GPS). However, water, and particularly salty water, makes the use of electromagnetic waves impractical due to the attenuation caused by the high conductivity of the medium. H...
background: hydatidosis is one of the zoonotic diseases which affect animals and human beings at the larval stage of echinococcusgranulosus, thereby playing a role in exacerbating the economic and health problems in iran. objectives: this study was conducted to investigate the strains of echinococcusgranulosus isolated from cattle hydatid cysts, in khorramabad, in the lorestan province, west of...
We present an overview of the future projects concerning the neutrino oscillation physics in Europe. Recently a joint CERN–LNGS scientific committee has reviewed several proposals both for the study of atmospheric neutrinos and for long (LBL) and short baseline (SBL) neutrino oscillation experiments. The committee has indicated the priority that the European high energy physics community should...
We present an overview of the future projects concerning the neutrino oscillation physics in Europe. Recently a joint CERN–LNGS scientific committee has reviewed several proposals both for the study of atmospheric neutrinos and for long (LBL) and short baseline (SBL) neutrino oscillation experiments. The committee has indicated the priority that the European high energy physics community should...
BACKGROUND Heparin is commonly given during hemodialysis (HD). Patients undergoing HD have a high rate of gastrointestinal bleeding (GIB). It is unclear whether or when it is safe to give heparin after acute GIB. We describe the patterns and safety of heparin use with outpatient HD following an acute GIB. METHODS We identified patients aged ≥ 67 who, from 2004-2008, experienced GIB requiring ...
Abstract For the integrity monitoring of a multi-source PNT (Positioning, Navigation, and Timing) resilient fusion navigation system, theoretical framework multi-level autonomous is proposed. According to mode navigation, adopts top-down logic structure establishes source fault detection model based on multi-combination separation residual method detect isolate at system level subsystem level. ...
BACKGROUND Gastrointestinal bleeding (GIB) is a common and often serious complication after stroke. Although several risk factors for post-stroke GIB have been identified, no reliable or validated scoring system is currently available to predict GIB after acute stroke in routine clinical practice or clinical trials. In the present study, we aimed to develop and validate a risk model (acute isch...
This paper presents a data classification algorithm able to detect corrupted measurements as outliers, with application to underwater ultra-short baseline (USBL) acoustic positioning systems. The devised framework is based on causal median filters that are readily implementable, and a set of theoretical analysis tools that allows for the design of the filter parameters is also presented. The de...
Genome Information Broker (GIB) is a powerful tool for the study of comparative genomics. GIB allows users to retrieve and display partial and/or whole genome sequences together with the relevant biological annotation. GIB has accumulated all the completed microbial genome and has recently been expanded to include Arabidopsis thaliana genome data from DDBJ/EMBL/GenBank. In the near future, hund...
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