Browsing Elektrorevue by Issue Date
Now showing items 1-20 of 170
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Comparative study on One-Dimensional Numerical Inverse Laplace Transform Methods for Electrical Engineering
(International Society for Science and Engineering, o.s., 2016-02-29)In various engineering and science problems we are often confronted with the need to applythe Laplace transform to simplify the problem and get our solution, however in many cases when solvingdifferential equations, systems ... -
Experimentální ověření vhodnosti nízkoodběrových IoT zařízení pro implementaci kryptografických primitiv
(International Society for Science and Engineering, o.s., 2016-02-29)The Internet of Things (IoT) provides a new area for the use of smart devices using a ubiquitous communication network. These devices are used in countless different industries such as healthcare, education, security and ... -
Metody segmentace a rozpoznání číslic analogového elektroměru
(International Society for Science and Engineering, o.s., 2016-02-29)The paper discusses image processing methods applicable for reading the values indicated by single-phase, analog electrical meters commonly used in the home. The principle of an analog meter is introduced, and relevant ... -
Tvarovanie 3R modelu ľudskej hlavy pomocou steroskopického snímania
(International Society for Science and Engineering, o.s., 2016-02-29)In the paper techniques of 3D human head model shaping are described. The paper is mainly focused on mathematical description of parallel stereoscopic system and its implementation in estimation of human head coordinates ... -
Modeling of the EEG signal
(International Society for Science and Engineering, o.s., 2016-04-30)This article describes important and wide academic Field, EEG signals modeling. A majordivision of this Field into two branches, EEG-like signals modeling and seizure-like signals modeling,is introduced and analyzed. Three ... -
Výkonnostní analýza současných softwarových knihoven pro výpočty modulární aritmetiky
(International Society for Science and Engineering, o.s., 2016-04-30)The article deals with analysis of current state of cryptographic and mathematics libraries for computing of modular operations with big integers. Currently most common libraries implemented in C/C++ are analysed here. The ... -
Jednoduchý odhad relatívnej permitivity steny pomocou UWB radarového systému
(International Society for Science and Engineering, o.s., 2016-04-30)This paper describes a simple method for the relative permittivity estimation of the wall by an ultra wideband (UWB) impulse radar system. I tis noninvasive reflected free space method, where the measuerent is employed ... -
Data processing and object recognition in radar reflectivity images
(International Society for Science and Engineering, o.s., 2016-04-30)This paper is a part of a project dealing with merging radar reflectivity data from multiplesources and distribution of the results to aircraft. Intervals of incoming data will be varying and thusthe total radar image will ... -
Zařízení pro diagnostiku asynchronních motorů
(International Society for Science and Engineering, o.s., 2016-04-30)The aim of this article is to introduce the faults of induction machines and design of a device for their detection. It is appropriate to detect occurring fault to prevent greater damage in industrial production. Monitoring ... -
Nové možnosti měření v datových sítích pomocí softwarových nástrojů
(International Society for Science and Engineering, o.s., 2016-06-30)The paper presents new ways of measuring the transmission rate in data networks by means of software tools created by the Department of Telecommunications FEI STU in Bratislava. The software tool was created in C ++ using ... -
Akcelerace šifry AES pomocí programovatelných hradlových polí
(International Society for Science and Engineering, o.s., 2016-06-30)This article deals with encryption on Field Programmable Gate Array (FPGA). The first part of the article fuses on the analysis of the current state of implementation of asymmetric and symmetric ciphers. The next ... -
Tunable frequency filter with transconductance amplifiers and adjustable current amplifiers
(International Society for Science and Engineering, o.s., 2016-06-30)Newly designed frequency filter of the second order with the possibility of mutually independentcontrol of the pole frequency and quality factor is presented in this paper. Balanced-outputtransconductance amplifier (BOTA) ... -
Exploiting Neural Networks for Mobility Prediction in Mobile Ad Hoc Networks
(International Society for Science and Engineering, o.s., 2016-06-30)The main aim of this paper is to predict the future movement of mobile nodes in adhoc networks using a neural network based method. This method consists of three-layer feedforwardnetwork. The backpropagation algorithm is ... -
Protokol SIP v open source PBX a jeho implementace
(International Society for Science and Engineering, o.s., 2016-06-30)The article describes and compares several of the selected stacks of the signalling protocol Session Initiation Protocol (SIP) and their performance and stability of branch exchange. All the SIP libraries, used operating ... -
Použití kumulantů vyšších řádů pro automatickou klasifikaci EKG
(International Society for Science and Engineering, o.s., 2016-08-31)This article deals with the variety of applications of higher-order cumulants for the representation of cardiac cycles in the process of automatic classification. It is obvious from the previous studies that higher-order ... -
Technika, která se váže ke standardu IEEE 802.11
(International Society for Science and Engineering, o.s., 2016-08-31)The paper overviews wireless networks and contemporary hardware used in these networks. Networks are divided into categories according to covered area. There is an example WLAN network configured ... -
Identifikace anomálií v datové komunikaci pomocí entropie
(International Society for Science and Engineering, o.s., 2016-08-31)This article discusses the use of entropy for identifying anomalies in data communication. At testing the attention is focused on the comparison of three types of entropy (Shannon entropy, Rényi entropy, Tsallis entropy) ... -
Neuromuskulární systém člověka
(International Society for Science and Engineering, o.s., 2016-08-31)Human operator occurs in the most control systems called Man-Machine Systems (MMS). The quality of control depends on characteristics of human operator neuromuscular system, which contains efferent and afferent muscle ... -
Komparace statistické kredibility reprezentanta průměrné rychlosti konvergence protokolu push-sum
(International Society for Science and Engineering, o.s., 2016-08-31)This article discusses distributed stochastic algorithm push-sum protocol. The authors examine the effect of the repetition of experiments on representative statistical credibility convergence speed. They did so by comparing ... -
Zařízení pro sklízení RF energie v pásmu GSM
(International Society for Science and Engineering, o.s., 2016-10-30)This article is focused on radio frequency energy harvesting using the GSM cellular telecommunications system. The authors examine the possible appliactions of harvested energy, architecture of harvesting network along ...