Browsing 2018/3 by Issue Date

Now showing items 1-20 of 35

  • Classification of Ground Targets Based on Radar Micro-Doppler Signatures Using Deep Learning and Conventional Supervised Learning Methods 

    Cao, Peibei; Xia, Weijie; Li, Yi (Společnost pro radioelektronické inženýrství, 2018-09)
    Radar has great potential in military and civilian areas, including automobile anti-collision, battlefield surveillance, etc., due to its high penetration and all-weather capability. On the basis of traditional targets ...

  • Improved Design and Implementation of Automatic Flight Control System (AFCS) for a Fixed Wing Small UAV 

    Elbanna, Ahmed E. A.; Soliman, Tamer H. M.; Ouda, A. N.; Hamed, Essam M. (Společnost pro radioelektronické inženýrství, 2018-09)
    This paper presents an implementation of automatic flight control system (AFCS); analyzes and assures its performance during model in loop (MIL), software in loop (SIL), and processor in loop (PIL) stages. Based on both ...

  • Aperture Coupled Dielectric Resonator Antenna Embedded in a Secondary Substrate for Mechanical Firmness 

    Ballav, Suparna; Parui, Susanta Kumar (Společnost pro radioelektronické inženýrství, 2018-09)
    An aperture coupled rectangular dielectric resonator antenna (RDRA) is proposed where high permittivity radiating element is embedded on a comparatively low permittivity secondary substrate material (here FR4 is used). ...

  • An Automated ESD Model Characterization Method 

    Napravnik, Tomas; Jakovenko, Jiri (Společnost pro radioelektronické inženýrství, 2018-09)
    Novel automated simulator-independent ESD model characterization method based on Differential evolution and Nelder-Mead Simplex algorithms is presented in this paper. It offers an alternative for time and human-resources ...

  • A Miniaturized (UWB) Bandpass Filter Using Elliptical-Ring Multi-Mode Stub-loaded Resonator (MM-SLR) 

    Karimi, Gholamreza; Salehi, Amirhossein; Javidan, Fatemeh (Společnost pro radioelektronické inženýrství, 2018-09)
    In this paper, a novel miniaturized ultra-wide¬band (UWB) band pass filter (BPF) with sharp slopes tran-sition band is reported. The UWB BPF (7.45 GHz to 19.85 GHz) consists of modified elliptical-ring and multi-mode ...

  • Reliability Improvement of RF Identification of Shadowed People in Building Corridors Using Space Diversity 

    Svanda, Milan; Kvicera, Milan; Polivka, Milan (Společnost pro radioelektronické inženýrství, 2018-09)
    This paper deals with the investigation of space diversity techniques for elimination of signal fading and consequently extension of coverage area in applications of RF identification of shadowed people in a building ...

  • Analysis of Antennas around NURBS Surfaces by Using a Hybrid Method 

    Okan, Tayfun; Akcam, Nursel (Společnost pro radioelektronické inženýrství, 2018-09)
    To fast and accurately calculate the EM scattering problems like radiation of antenna around complex objects, many different techniques have been performed. However, these techniques (exact solution methods) either have a ...

  • Content Aware Segment Length Optimization for Adaptive Streaming over HTTP 

    Zach, Ondrej; Slanina, Martin (Společnost pro radioelektronické inženýrství, 2018-09)
    HTTP adaptive streaming is a widely used method for delivering the video content to its final recipi ents. The visual quality of the streamed video content is being adaptively changed according to network conditions to ...

  • A Novel Split-Ring Resonator and Voltage Multiplier based Rectenna Design for 900 MHz Energy Harvesting Applications 

    Palandoken, Merih; Gocen, Cem; Kaya, Adnan; Gunes, Fethullah; Baytore, Cem; Can, Fatih Cenral (Společnost pro radioelektronické inženýrství, 2018-09)
    This paper proposes a novel rectenna design for the compact RF energy harvesting system operating at 900 MHz. The rectenna design is based on a probe fed split-ring resonator on an elliptical slotted ground plane and an ...

  • A New Target Radar Cross Section Based Passive Radar Surveillance Receiver Positioning Algorithm on Real Terrain Maps 

    Tuysuz, Burak (Společnost pro radioelektronické inženýrství, 2018-09)
    Placing surveillance receivers on passive radar systems is a complex task because of the dependence on third party vendors. This paper presents an efficient and robust algorithm for positioning passive radar surveillance ...

  • A Novel Differential Fed High Gain Patch Antenna Using Resonant Slot Loading 

    Ahmed, Zubair; Ahmed, Muhammad Mansoor; Bin Ihsan, Mojeeb (Společnost pro radioelektronické inženýrství, 2018-09)
    Inspired by slotted waveguide antennas, a pair of resonant slots is placed in the center out of phase region of TM30 mode rectangular patch antenna which acts as a new radiating edge. Superposition of radiated fields of ...

  • Analysis of Bistatic Ground Clutter 

    Pidanic, Jan; Juryca, Karel; Kumar, Annt Mishra (Společnost pro radioelektronické inženýrství, 2018-09)
    This article presents analysis and parametrization of the bistatic ground clutter which is important from the point of view of the modelling/generating of bistatic clutter, and subsequent developing of the new suppression ...

  • Pre-Assessment of Radiated Fields from Small Electronic Submodules 

    Korinek, Tomas; Valek, Martin; Spacil, Jan; Mazanek, Milos (Společnost pro radioelektronické inženýrství, 2018-09)
    A novel approach to the evaluation of electromagnetic fields radiated from electronic devices by using a small shielded box is presented. Several EMC problems can be identified by employing the computations of a Radiated ...

  • A Compact Multi-Band MIMO Antenna with High Isolation for C and X Bands Using Defected Ground Structure 

    Pouyanfar, Negin; Ghobadi, Changiz; Nourinia, Javad; Pedram, Kioumars; Majidzadeh, Maryam (Společnost pro radioelektronické inženýrství, 2018-09)
    A compact multi-band multi-input multi-output (MIMO) antenna with high isolation is proposed for C and X bands applications. The antenna consists of two trapezoidal-shaped patches printed on FR-4 substrate with a thickness ...

  • Comparing Classifier's Performance Based on Confidence Interval of the ROC 

    Malach, Tobias; Pomenkova, Jitka (Společnost pro radioelektronické inženýrství, 2018-09)
    This paper proposes a new methodology for comparing} two performance methods based on confidence interval for the ROC curve. The methods performed and compared are two algorithms for face recognition. The novelty of the ...

  • Design of Miniaturized Wideband Microwave Absorber Loaded with Lumped Resistance 

    Lan, Junxiang; Cao, Xiangyu; Gao, Jun; Cong, Lili; Wang, Siming; Yang, Huanhuan (Společnost pro radioelektronické inženýrství, 2018-09)
    In this paper, a polarization and angular insensitive microwave absorber with miniaturized structure is proposed. This structure integrates lumped resistances into a metallic bow-tie structure, thus achieving wideband ...

  • Spectrally Efficient Constant Envelope Modulation for GNSS Signals 

    Xia, Xuan; Tang, Zuping; Wei, Jiaolong; Zhou, Zhihui (Společnost pro radioelektronické inženýrství, 2018-09)
    As the L-band spectral resources for GNSS services are almost exhausted, new bands such as S-band and C-band has been considered for new GNSS signals. In addition to the traditional signal features, out-of-band radiation ...

  • Digital Predistorter Design Using a Reduced Volterra Model to Linearize GaN RF Power Amplifiers 

    Rezgui, Haithem; Rouissi, Fatma; Ghazel, Adel (Společnost pro radioelektronické inženýrství, 2018-09)
    In this paper, a novel method for reducing a Simplified Volterra Series (SVS) model size is proposed for GaN RF Power Amplifier (PA) Digital Predistorter (DPD) design. Using the SVS-modified model, the number of coefficients ...

  • Methods for Animal Brain Mapping 

    Piorecka, Vaclava; Krajca, Vladimir; Tyls, Filip; Palenicek, Tomas (Společnost pro radioelektronické inženýrství, 2018-09)
    Measurements of brain electrical activity in animals are essential for the validation of the pharmaco-effect of drugs. The way to evaluate these recordings should be comparable to that of EEG in humans. Methods that visualize ...

  • RE-HARP: RF Energy Harvesting MAC Protocol to Prolong Life Time of CRSNs 

    Wasif, Sardar; Ishtiaq, Ahmad; Waseem, Nazar (Společnost pro radioelektronické inženýrství, 2018-09)
    Energy drainage is a critical issue in sensor networks which is aggravated further by the incorporation of Cognitive Radio (CR). Radio Frequency Energy Harvesting (RF-EH) is a prominent method for mitigating energy constraints ...