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Joint accurate time and stable frequency distribution infrastructure sharing fiber footprint with research network
The infrastructure essentialities for accurate time and stable frequency distribution are presented. Our solution is based on sharing fibers for a research and educational network carrying live data traffic with time and ...
Comparison of Bit Error Rate of Line Codes in NG-PON2
This article focuses on simulation and comparison of line codes NRZ (Non Return to Zero), RZ (Return to Zero) and Miller’s code for NG-PON2 (Next-Generation Passive Optical Network Stage 2) using.
Effect of Ampicillin, Streptomycin, Penicillin and Tetracycline on Metal Resistant and Non-Resistant Staphylococcus aureus
(MDPI AG, POSTFACH, 2014-03-19)
There is an arising and concerning issue in the field of bacterial resistance, which is confirmed by the number of deaths associated with drug-resistant bacterial infections. The aim of this study was to compare the effects ...
Nutritional Potential of Selected Insect Species Reared on the Island of Sumatra
Inhabitants of the Indonesian island of Sumatra are faced with the problem of insufficient food supplies and the consequent risk of undernourishment and health issues. Edible insects as a traditional and readily available ...
Antibacterial activity of composite of graphene oxide with silver nanoparticles
(Mendel University in Brno, 2017-12-31)
Looking for strategies against the development of antibiotic resistance is a major global object of interest for the public health. This work deals with synthesis of antimicrobial composites of graphene oxide (GO) with ...
Out-of-vehicle time-of-arrival-based localization in ultra-wide band
The article presents out-of-vehicle channel measurement results in ultra-wide band spanning 3–11 GHz bandwidth using a vector network analyzer for localization applications. Experiments for different distances and different ...
Time-varying K factor of the mm-Wave Vehicular Channel: Velocity, Vibrations and the Road Quality Influence
Abstract—This paper evaluates real-world intra-vehicle millimeter-wave (mmWave) channel measurements performed in a vehicular environment. Utilizing a correlative time-domain channel sounder, we demonstrate the dependency ...
Activation Process of ONU in EPON/GPON/XG-PON/NG-PON2 Networks
This article presents a numerical implementation of the activation process for gigabit and 10 gigabit next generation and Ethernet passive optical networks. The specifications are completely different because GPON, XG-PON, ...
Distributed fiber-optic sensor for detection and localization of acoustic vibrations
(Metrology and Measurement Systems, 2015-02-20)
A sensing system utilizing the standard optical fiber as a distributed sensor for detection and localization of the mechanical vibrations is presented. Vibrations can be caused by various external factors like moving people, ...
Soft-tissues image processing: comparison of traditional segmentation methods with 2D active contour methods
(De Gruyter Open, 2012-07-31)
The paper deals with modern methods of image processing, especially image segmentation, classification and evaluation of parameters. It is focused primarily on processing medical images of soft tissues obtained by magnetic ...