نتایج جستجو برای: digital communication system

تعداد نتایج: 2685634  

2007
António J. R. Neves Armando J. Pinho Denis R. Santos

Digital medical imaging systems like Picture Archiving and Communication System (PACS) has become a crucial tool supporting both decision making and treatment procedures in medical environments. Advantages come from reduced storage and management costs associated with image data and increased intra and interinstitutional portability of data in communication networks. One of the most important b...

2002
Sonja Grgić Mislav Grgić Branka Zovko-Cihlar

Digital television (DTV) network is medium that transports moving images, in the form of digital video signal and accompanying sound, in the form of digital audio signal, from one point to another. However, the system may include data and control signals and hence may be thought of as a multimedia system. Various network technologies find use in the digital television production and transmissio...

In recent years it has been trying that with regard to the question of computational complexity of discrete logarithm more strength and less in the elliptic curve than other hard issues, applications such as elliptic curve cryptography, a blind  digital signature method, other methods such as encryption replacement DLP. In this paper, a new blind digital signature scheme based on elliptic curve...

Journal: :International Journal of Research in Engineering and Technology 2013

Journal: :advances in railway engineering 0
anil ates istanbul transportation cooperation hakan celik istanbul transportation telecommunication and security tech.

after 1860’s the railway systems has started to be used in urban transportation in the world. however, especially after the 1950’s, automobile usage has been increased quickly. thus the dense of transportation has started to move from railway systems to the ones with rubber tire vehicles in istanbul. traffic density in urban transportation has started to be experienced since 1950 with the incre...

ژورنال: آموزش عالی ایران 2019

The purpose of this study was to develop a Digital University model. The research method was qualitative which was used for this purpose meta synthesis. The research population consisted of 2600 scientific papers (including articles, books, dissertations and work reports), of which 84 were selected as sample. In order to validate the research findings, the critical tool of Glynn (2006) and the ...

Journal: :Int. J. Communication Systems 2002
Mohammad F. Alam Mohammed Atiquzzaman Bradley D. Duncan Hung Nguyen Richard Kunath

Continued progress in both civil and military radio-frequency (RF) digital avionics applications is overstressing the capabilities and reliability of existing RF communication networks based on coaxial cables on board modern aircrafts. Future avionics systems will require high-bandwidth on-board communication links that are lightweight, immune to electromagnetic interference, and highly reliabl...

Amin Reza Kamalian Jamshid Moloudi Noormahammad Yaghoubi

Digital and Information technologies are fundamental factors for all organizations which carry out organizational and social activities levels and it causes to change the nature of business. Create what is a type of entrepreneurship that is extracted from the concept of entrepreneurship. Digital and information technology is one of electronic style of this creation. Therefore, it can be said th...

دریکوندی, زهرا, دریکوندی, علی,

Introduction: Digital gap may exist in national scale, among organizations and other groups of society, since it is an indicative of inequality in information technology ground and communication. This study aims to investigate the attitude towards digital gap among students, and its relationship with educational progress and socio-economic  status (SES) of university students at Alborz Uni...

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