Results 1 to 10 of about 283,576 (222)

Analiza pouzdanosti i raspoloživosti sistema od četiri telekomunikacione centrale povezane u prsten / Reliability and availability analysis of a telecommunication system consisting of four telecommunication stations connected in ring [PDF]

open access: bronzeVojnotehnički Glasnik, 2002
U radu su predstavljeni modeli za analizu pouzdanosti i raspoloživosti jednog telekomunikacionog sistema koji sačinjavaju četiri telekomunikacione centrale međusobno povezane u prsten dupleks vezama.
Slavko Pokorni , Rifat Ramović
doaj   +3 more sources

A compact microstrip coupler using T-shape and open stubs for fifth generation applications [PDF]

open access: yesE3S Web of Conferences, 2022
The paper presents a new design of a compact branch-line coupler (BLC) operating at 3.5 GHz, that is suitable for 5G applications. In order to miniaturize the proposed coupler, two miniaturization methods are combined where a T-shaped structure is used ...
Abouhssous Khadija   +2 more
doaj   +1 more source

Performance Improvement for Single-Photon LiDAR with Dead Time Selection

open access: yesInternational Journal of Aerospace Engineering, 2022
Compared with the impulse LiDAR, the single-photon LiDAR has higher measurement sensitivity in the prominent feature, especially for space-based long-distance imaging.
Lei Feng   +3 more
doaj   +1 more source

Statistical properties for multipath-relayed communications over fading channels [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2008
In this paper, a multipath transmission with no regenerative relays over fading channels has been addressed. The probability density function of minimum amplitude at relay stations input has been determined.
Stefanović Mihajlo   +3 more
doaj   +1 more source

Electrodes’ Configuration Influences the Agreement Between Surface EMG and B-Mode Ultrasound Detection of Motor Unit Fasciculation

open access: yesIEEE Access, 2021
Muscle fasciculations, resulting from the spontaneous activation of motor neurons, may be associated with neurological disorders, and are often assessed with intramuscular electromyography (EMG).
Alberto Botter   +4 more
doaj   +1 more source

Pouzdanost i raspoloživost rezerviranog telekomunikacionog sistema sa četiri centrale / Reliability and availability of a redundant telecommunication system with 4 stations [PDF]

open access: yesVojnotehnički Glasnik, 2004
U radu su predstavljeni grupisanje stanja, dijagrami stanja i rezultati analize pouzdanosti (srednje vreme do otkaza) i raspoloživosti devet varijanti telekomunikacionog sistema koji sačinjavaju četiri telekomunikacione centrale međusobno povezane u ...
Slavko Pokorni , Rifat Ramović
doaj   +1 more source

Moving objects multi-classification based on information fusion

open access: yesJournal of King Saud University: Computer and Information Sciences, 2022
This paper aims to present a new model for multi-classification in video surveillance, based on data fusion. First, features are extracted. Then, a pre-classification is conducted using each feature separately.
Bouchra Honnit   +3 more
doaj   +1 more source

Extensive Regional Telecommunications Coverage in Emergency Condition Using Satellite and Tethered-Balloon Equipped with Antenna Pointing Mechanism – Part 2: Operation Modes and Controller Design [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2022
In this paper, in order to provide telecommunication coverage for a wide geographical area, the use of a network consisting of an LEO satellite and a Tethered-Balloon equipped with antenna pointing mechanism is proposed.
Javad Ranjbar, Mohammad Fathi
doaj   +1 more source

Design and Performance Analysis of BDS-3 Integrity Concept

open access: yesRemote Sensing, 2021
Compared to the BeiDou regional navigation satellite system (BDS-2), the BeiDou global navigation satellite system (BDS-3) carried out a brand new integrity concept design and construction work, which defines and achieves the integrity functions for ...
Cheng Liu   +8 more
doaj   +1 more source

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