Browsing Ústav radioelektroniky by Title
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60GHz MillimeterWave Propagation Inside Bus: Measurement, Modeling, Simulation, and Performance Analysis
(IEEE, 20190624)Millimeterwave (mmWave) transmission over the unlicensed 60GHz spectrum is a potential solution to realize highspeed internet access, even inside mass transit vehicles. The solution involves communication between users ... 
About vi Pinched Hysteresis of Some NonMemristive Systems
(Hindawi, 20180924)A special subset of twoterminal elements providing pinched hysteresis loops in the voltagecurrent plane with the lobe area increasing with the frequency is analysed. These devices are identified as nonmemristive systems ... 
Access to credit of SMES in the Czech republic during the financial crisis and in the postcrisis period
(Mendelu, 20150903)We investigate the impact of the financial crisis on the access of small and mediumsized enterprises in the Czech Republic to external financing. We apply the nonparametric kernel density estimation on a firmlevel measure ... 
Accurate constant phase elements dedicated for audio signal processing
(MDPI, 20191115)This review paper introduces realvalued twoterminal fully passive RC ladder structures of the socalled constant phase elements (CPE). These lumped electronic circuits can be understood as twoterminal elements described ... 
An Additional Approach to Model Current Followers and Amplifiers with Electronically Controllable Parameters from Commercially Available ICs
(Versita, 20121122)Several behavioral models of current active elements for experimental purposes are introduced in this paper. These models are based on commercially available devices. They are suitable for experimental tests of current ... 
Adjacent Channel Interference Cancellation in FDM Transmissions
(IEEEINST ELECTRICAL ELECTRONICS ENGINEERS INC, 20201230)Interference between users in adjacent channels negatively affects throughput of mobile networks. In this paper we aim at cancellation of interference caused by a nonlinear power amplifier in a generalized orthogonal ... 
All Pinched Hysteresis Loops Generated by (alpha, beta) Elements: in What Coordinates They May be Observable
(IEEE, 20201201)Two existing theorems for studying pinched hysteresis loops generated by nonlinear higherorder elements from Chua's table are reformulated, namely the generalized homothety theorem and the associated Loop Location Rule, ... 
Analog Implementation of FractionalOrder Elements and Their Applications
(20190624)With advancements in the theory of fractional calculus and also with widespread engineering application of fractionalorder systems, analog implementation of fractionalorder integrators and differentiators have received ... 
Analog Implementation of FractionalOrder Elements and Their Applications
(20190624)With advancements in the theory of fractional calculus and also with widespread engineering application of fractionalorder systems, analog implementation of fractionalorder integrators and differentiators have received ... 
Analog MultipliersBased Double Output Voltage Phase Detector for LowFrequency Demodulation of Frequency Modulated Signals
(IEEE, 20210625)This work deals with the design of a simple double output voltage phase detector, using a specific type of analog multiplier, and its application in a frequency demodulator. The design of active parts was performed in ... 
Analogue Implementation of a FractionalOrder PI^{\lambda} Controller for DC Motor Speed Control
(IEEE, 20190612)In this paper, an approach to design a fractionalorder integral operator s(lambda) where 1 < lambda <0, using an analogue technique, is presented. The integrator with a constant phase angle 80.1 degree (i.e. order lambda ... 
Analysis and Synthesis of Chaotic Circuits Using Memristor Properties
(FEI STU, 20140601)This paper provides an innovative practical realization of a memristor based chaotic circuit. The first part discusses the mathematical analysis of the proposed system, including calculation of an eigenvalues, bifurcation ... 
Analysis and Verification of IdenticalOrder Mixed Matrix FractionalOrder Capacitor Networks
(IEEE, 20180702)In the open literature while capacitors are introduced with 90 degrees phase angle, here we described our fabricated polymer composite, mixed matrix, as a fractionalorder capacitor (FoC). The effect on phase and ... 
Analysis of ClosingToOpening Phase Ratio in TopToBottom Glottal Pulse Segmentation for Psychological Stress Detection
(Kaunas University of Technology, 20161010)This paper is focused on investigating the differences in glottal pulses estimated by two algorithms; Direct Inverse Filtering (DIF) and Iterative and Adaptive Inverse Filtering (IAIF) for normal and stressed speech. ... 
Analysis of Intensively Blasted Electric Arc Burning in the Arc Heater's Anode Channel
(Czech Technical University in Prague, 20161031)The paper deals with the description of the intensively blasted electric arc burning in Ar in the anode channel of the arc heater operated under various conditions. Directly measured experimental data (current, voltage, ... 
Application of Stochastic DifferentialAlgebraic Equations in Hybrid MTL Systems Analysis
(Kaunas University of Technology, 20140501)The paper deals with the application of stochastic differentialalgebraic equations (SDAE) in the field of the timedomain simulation of hybrid (lumped/distributed) systems with randomly varying parameters. A core of the ... 
Applications of novel behavioral implementation of a controllable generalized current conveyor
(IEEE, 20180420)This contribution presents a novel modification of a behavioral model for a generalized current conveyor of second generation based on commercially available active devices. This model is suitable for preliminary tests of ... 
Behavioral model for emulation of ZCCGVDCC
(The Institute of Electronics, Information and Communication Engineers (IEICE), 20160129)This paper presents a proposal and an experimental analysis of behavioral emulator of socalled zcopy controlledgain voltage differencing current conveyor (ZCCGVDCC) based on commercially available devices. Most of ... 
Binary Memory Implemented by Using Variable Gain Amplifiers With Multipliers
(IEEE, 20201101)This work describes design process toward fully analogue binary memory where two coupled piecewiselinear (PWL) resistors are implemented using novel network topology with voltage gain amplifiers (VGA). These versatile ... 
CagniardDeHoop TechniqueBased Computation of Retarded Partial Coefficients: The Coplanar Case
(IEEE, 20200813)Efficient computation of partial elements plays a key role in the Partial Element Equivalent Circuit (PEEC) method. A novel analytical method for computing retarded partial coefficients based on the CagniardDeHoop (CdH) ...