• Characterization of Nonlinear Integrated Capacitors 

    Sutory, T.; Kolka, Zdeněk (Společnost pro radioelektronické inženýrství, 2008-12)
    The paper deals with a modified CBCM (Charge-Based Capacitance Measurements) method for nonlinear capacitance characterization. The method is characterized by high resolution although it is based on equipment found in any ...
  • Parametric Study of Mushroom-like and Planar Periodic Structures in Terms of Simultaneous AMC and EBG Properties 

    Kovacs, P.; Raida, Zbyněk; Martinez-Vazquez, M. (Společnost pro radioelektronické inženýrství, 2008-12)
    In the paper, the parametric analysis of a mushroom-like and a planar metallo-dielectric periodic structure with square unit cell and metallic patch is presented. First, the angular stability for different unit cell settings ...
  • Coexistence of Terrestrial and HAP 3G Networks during Disaster Scenarios 

    Holis, J.; Pechač, Pavel (Společnost pro radioelektronické inženýrství, 2008-12)
    The aim of this paper is to show the possible coexistence of an HAP and a terrestrial component of 3G networks at a single carrier frequency. The main goal is to compare the basic parameters of terrestrial and HAP com-ponent ...
  • Active Elements for Analog Signal Processing: Classification, Review, and New Proposals 

    Biolek, Dalibor; Senani, R.; Biolková, Viera; Kolka, Zdeněk (Společnost pro radioelektronické inženýrství, 2008-12)
    In the paper, an analysis of the state-of-the-art of active elements for analog signal processing is presented which support – in contrast to the conventional operational amplifiers – not only the voltage-mode but also the ...
  • A Simple Current-Mode Quadrature Oscillator Using Single CDTA 

    Jaikla, W.; Siripruchyanun, M.; Bajer, J.; Biolek, Dalibor (Společnost pro radioelektronické inženýrství, 2008-12)
    This article presents a simple current-mode quadrature oscillator using a single Current Differencing Transconductance Amplifier (CDTA) as the active element. The oscillation condition and oscillation frequency can be ...
  • ACE Strategy with Virtual Channels 

    Vondrasek, M.; Sovka, Pavel; Tichy, T. (Společnost pro radioelektronické inženýrství, 2008-12)
    Cochlear implant is an electronic device, which can mediate hearing sensations to profoundly deaf people. Contemporary cochlear implants are sophisticated electronic devices; however, their performance could still be ...
  • Synthesizing Sierpinski Antenna by Genetic Algorithm and Swarm Optimization 

    Vidal, B. M.; Raida, Zbyněk (Společnost pro radioelektronické inženýrství, 2008-12)
    The paper discusses the synthesis of the Sierpinski antenna operating at three prescribed frequencies: 0.9 GHz, 1.8 GHz (both GSM) and 2.4 GHz (Bluetooth). In order to synthesize the antenna, a genetic algorithm and a ...
  • Application of a Cumulative Method for Car Borders Specification in Image 

    Dobrovolny, M.; Bezousek, P.; Hajek, M. (Společnost pro radioelektronické inženýrství, 2008-12)
    The paper deals with low-level car detection methods in images. The car detection is an integral part of all intelligent car cruise systems. This article describes the method for suppression of the edges produced by classical ...
  • Implementation and Evaluation of Power Consumption of an Iris Pre-processing Algorithm on Modern FPGA 

    Blasinsky, H.; Amiel, F.; Ea, T.; Rossant, F.; Mikovicova, B. (Společnost pro radioelektronické inženýrství, 2008-12)
    In this article, the efficiency and applicability of several power reduction techniques applied on a modern 65nm FPGA is described. For image erosion and dilation algorithms, two major solutions were tested and compared ...
  • Electronically Tunable Multi-Terminal Floating Nullor and Its Applications 

    Tangsrirat, W. (Společnost pro radioelektronické inženýrství, 2008-12)
    A realization scheme of an electronically tun- able multi-terminal floating nullor (ET-MTFN) is de- scribed in this paper. The proposed circuit mainly employs a transconductance amplifier, an improved translinear cell, two ...
  • Numerical Modeling of Magnetic Field Deformation as Related to Susceptibility Measured with an MR System 

    Bartusek, K.; Fiala, P.; Mikulka, J. (Společnost pro radioelektronické inženýrství, 2008-12)
    The possibility is studied of numerical modeling of magnetic field deformations in the environment of measured diamagnetic and paramagnetic samples for the purposes of studying magnetic resonance (MR) image deformations ...
  • Slotted PIFA for Mobile Communication Devices 

    Bonefacic, D.; Rapinac, B.; Bartolic, J. (Společnost pro radioelektronické inženýrství, 2008-12)
    Slotted PIFA with capacitive loading for operation in the 880 / 960 MHz band is presented. The PIFA is intended for mobile terminals in GSM mobile communication network. The antenna is placed on a ground plane with dimensions ...
  • A New Application of Current Conveyors: The Design of Wideband Controllable Low-Noise Amplifiers 

    Godara, B.; Fabre, A. (Společnost pro radioelektronické inženýrství, 2008-12)
    The aim of this paper is three-fold. First, it reviews the low-noise amplifier and its relevance in wireless communications receivers. Then it presents an exhaustive review of the existing topologies. Finally, it introduces ...
  • Utilization of Faraday Mirror in Fiber Optic Current Sensors 

    Drexler, P.; Fiala, P. (Společnost pro radioelektronické inženýrství, 2008-12)
    Fiber optic sensors dispose of some advantages in the field of electrical current and magnetic field measurement, like large bandwidth, linearity, light transmission possibilities. Unfortunately, they suffer from some ...
  • Eyelid Localization for Iris Identification 

    Adam, M.; Rossant, F.; Amiel, F.; Mikovikova, B.; Ea, T. (Společnost pro radioelektronické inženýrství, 2008-12)
    This article presents a new eyelid localization algorithm based on a parabolic curve fitting. To deal with eyelashes, low contrast or false detection due to iris texture, we propose a two steps algorithm. First, possible ...
  • Recent Techniques in Design and Implementation of Microwave Planar Filters 

    Baral, R. N.; Singhal, P. K. (Společnost pro radioelektronické inženýrství, 2008-12)
    This paper details the techniques and initiatives made recently for improved response and simultaneous development of microwave planar filters. Although the objective of all the techniques is to design low cost filters ...
  • Ways to Optimize Analogue Switched Circuits 

    Dolivka, L.; Hospodka, J. (Společnost pro radioelektronické inženýrství, 2008-12)
    This paper describes how analogue switched circuits (switched-capacitor and switched-current circuits) can be optimized by means of a personal computer. The optimization of this kind of circuits is not so common and their ...
  • Enhancement of Optical Coherence Tomography Images of the Retina by Normalization and Fusion 

    Rossant, F.; Amiel, F.; Ea, T.; Martinez, C. M.; Paques, M. (Společnost pro radioelektronické inženýrství, 2008-12)
    This paper describes an image processing method applied to Optical Coherence Tomography (OCT) images of the retina. The aim is to achieve improved OCT images from the fusion of sequential OCT scans obtained at identical ...
  • Design of Microstrip Band Pass Fractal Filter for Suppression of Spurious Band 

    Baral, R. N.; Singhal, P. K. (Společnost pro radioelektronické inženýrství, 2008-12)
    In this paper, the design and subsequent fabrication of a hairpin-line band pass filter has been proposed. This filter exhibits periodic frequency response. By proper design, the spurious bands are being suppressed ...
  • An Efficient Finger Allocation Method for the Maximum Likelihood RAKE Receiver 

    Baltzis, K. B. (Společnost pro radioelektronické inženýrství, 2008-12)
    In wideband wireless communication systems the RAKE receiver is commonly used to collect the resolvable multipath energy and counter the effects of fading through diversity. However, in channels with large delay and energy ...