نتایج جستجو برای: communication and traffic infrastructures

تعداد نتایج: 16879347  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1392

بیشتر تحقیقات پیشین در زمینه تمایل به برقراری ارتباط به رابطه آن با عوامل فردی چون سن، جنس، نوع شخصیت و... صورت گرفته است. در صورتی که مطالعات کمتری به بررسی رابطه تمایل به برقراری ارتباط زبان آموزان فارسی زبان با ترس از برقراری ارتباط و توانش خود ادراکانه آنها در برقراری ارتباط در محیط فارسی و انگلیسی انجام شده است. بر اساس نظریه الیس (2008) تمایل به برقراری ارتباط جایگاه مهمی در زمینه آموزش م...

2012
Rafael Ramos Regis Barbosa Ramin Sadre Aiko Pras

Modern critical infrastructures, such as water distribution and power generation, are large facilities that are distributed over large geographical areas. Supervisory Control and Data Acquisition (SCADA) networks are deployed to guarantee the correct operation and safety of these infrastructures. In this paper, we describe key characteristics of SCADA traffic, verifying if models developed for ...

Journal: :IEEE Transactions on Vehicular Technology 2023

The increasing complexity of urban environments introduces additional uncertainty to the deployment autonomous vehicular network. A novel road infrastructure cooperative detection model using Joint Communication and Sensing (JCS) technology is proposed in this article simultaneously achieve high-efficient communication obstacle for vehicles. To suppress performance fluctuation caused by shadowi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی صنعتی کرمان - پژوهشکده برق و کامپیوتر 1390

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...

2009
Pavlos Antoniou Andreas Pitsillides

Next generation communication networks are moving towards autonomous infrastructures that are capable of working unattended under dynamically changing conditions. The new network architecture involves interactions among unsophisticated entities which may be characterized by constrained resources. From this mass of interactions collective unpredictable behavior emerges in terms of traffic load v...

2010
John Mela Blaine Nelson Saurabh Amin Suzanna Schmeelk Shankar Sastry

Security of networked computing systems has become increasingly paramount. The daily function of society hinges on the safe and reliable operation of these infrastructures. The detection of attack traffic on network infrastructures necessitates experimentation on accurately modeled emulations. In this research, a model of the Abilene topology was created using the DETERlab testbed. Network traf...

Journal: :Displays 2017
Paul Vickers Christopher Laing Tom Fairfax

Communication networks involve the transmission and reception of large volumes of data. Research indicates that network traffic volumes will continue to increase. These traffic volumes will be unprecedented and the behaviour of global information infrastructures when dealing with these data volumes is unknown. It has been tshown that complex systems (including computer networks) exhibit self-or...

2016
Matthis Gaciarz

Since several decades, urban congestion causes various problems and deteriorate the quality of life of citizens who live in cities. Several methods are used to reduce urban congestion, notably traffic regulation and promotion of public transportation. Since the 1990’s, the usage of tools from artificial intelligence, particularly distributed methods and multi-agent systems, allowed to design ne...

Journal: :iranian red crescent medical journal 0
ali mohammadi department of health information technology, paramedical school, kermanshah university of medical sciences, kermanshah, ir iran maryam ahmadi department of health information management, school of management and medical information sciences, iran university of medical sciences, tehran, ir iran; health management and economics research center, iran university of medical sciences, tehran, ir iran; department of health information management, school of management and medical information sciences, iran university of medical sciences, tehran, ir iran. tel: +98-2188794302, fax: +98-2188883334 alireza gharagozlu geomatics college of national cartographic center of iran, tehran, ir iran

conclusions planning for the prevention of traffic accidents requires standardized data. as the foundation for crash prevention efforts, existing standard data infrastructures present policymakers and government officials with a great opportunity to strengthen and integrate existing accident information systems to better track road traffic injuries and fatalities. results an (mds) of a traffic ...

2014
Béla GENGE Zoltán GÁL

Nowadays, the fact that Networked Critical Infrastructures (NCI), e.g., power plants, water plants, oil and gas distribution infrastructures, and electricity grids, are targeted by significant cyber threats is well known. Nevertheless, recent research has shown that specific characteristics of NCI can be exploited in the enabling of more efficient mitigation techniques, while novel techniques f...

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