Now showing items 1-20 of 50

  • 2-D DOA Estimation of LFM Signals Based on Dechirping Algorithm and Uniform Circle Array 

    Cui, K. B.; Wu, W. W.; Chen, X.; Huang, J. J.; Yuan, N. C. (Společnost pro radioelektronické inženýrství, 2017-04)
    Based on Dechirping algorithm and uniform circle array(UCA), a new 2-D direction of arrival (DOA) estimation algorithm of linear frequency modulation (LFM) signals is proposed in this paper. The algorithm uses the thought ...
  • Analysis of Background Ionospheric Effects on Geosynchronous SAR Imaging 

    Yifei Ji; Qilei Zhang; Yongsheng Zhang; Zhen Dong (Společnost pro radioelektronické inženýrství, 2017-04)
    Background ionospheric propagation effects are adverse to the performance of Geosynchronous Synthetic Aperture Radar (GEO SAR) system. This paper focuses on the background ionospheric phase advance, which can be modelled ...
  • Broadband Single-layer E-Patch Reflectarray 

    Lee, S. R.; Lim, E. H.; Lo, F. L. (Společnost pro radioelektronické inženýrství, 2017-04)
    E-shaped patch resonator is proposed for designing a novel broadband linearly polarized reflectarray for the first time. The element is made up of a shorted E-shaped patch with a polystyrene foam placed beneath it, and no ...
  • A Cascaded Reduced-Dimension STAP Method for Airborne MIMO Radar in the Presence of Jammers 

    Wang, T.; Zhao, Y.; Chen, S.; Zhang, K. (Společnost pro radioelektronické inženýrství, 2017-04)
    A cascaded reduced-dimension (RD) space-time adaptive processing (STAP) method for airborne multiple-input multiple-output (MIMO) radar in the presence of jammers is proposed in this paper. The proposed MIMO-STAP method ...
  • Circularly Polarized Rectangular Ring-Slot Antenna with Chamfered Corners for Off-Body Communication at 5.8 GHz ISM Band 

    Vasina, P.; Lacik, J. (Společnost pro radioelektronické inženýrství, 2017-04)
    This paper deals with a substrate integrated waveguide (SIW) circularly polarized rectangular ring-slot antenna with chamfered corners designed for 5.8 GHz ISM frequency band for off-body communication. The antenna consists ...
  • A CMOS Morlet Wavelet Generator 

    Bautista-Castillo, A. I.; Rocha-Perez, J. M.; Diaz-Sanchez, A.; Lemus-Lopez, J.; Sanchez-Gaspariano, L. A. (Společnost pro radioelektronické inženýrství, 2017-04)
    The design and characterization of a CMOS circuit for Morlet wavelet generation is introduced. With the proposed Morlet wavelet circuit, it is possible to reach a~low power consumption, improve standard deviation (σ) control ...
  • A Compact Dual Band-Notched Circular Ring Printed Monopole Antenna for Super wideband Applications 

    Manohar, M.; Kshetrimayum, R. S.; Gogoi, A. K. (Společnost pro radioelektronické inženýrství, 2017-04)
    In this article, a simple and compact dual band-notched (DBN) super wideband (SWB) printed monopole antenna (PMA) has been proposed. The proposed antenna composed of a circular PMA, which is connected through a 50-Ω ...
  • Compact Dual-mode Microstrip Bandpass Filter Based on Greek-cross Fractal Resonator 

    Lu, H. S.; Wu, W. W.; Huang, J. J.; Zhang, X. F.; Yuan, N. C. (Společnost pro radioelektronické inženýrství, 2017-04)
    A geometrically symmetrical fractal structure is presented in this paper to provide an alternative approach for the miniaturization design of microstrip bandpass filters (BPFs). The generation process of the geometric ...
  • A Compact Lowpass Filter with Ultra Wide Stopband using Stepped Impedance Resonator 

    Hayati, M.; Shama, F. (Společnost pro radioelektronické inženýrství, 2017-04)
    In this paper, a compact asymmetric-shaped microstrip lowpass filter (LPF) using a stepped impedance resonator is presented. An ultra wide stopband with high attenuation in the stopband region, within very small circuit ...
  • Compact Microstrip Triple-Mode Bandpass Filters Using Dual-Stub-Loaded Spiral Resonators 

    Xu, K. D.; Li, M. Z.; Liu, Y. H.; Ai, J.; Bai, Y. C. (Společnost pro radioelektronické inženýrství, 2017-04)
    Two new microstrip triple-mode resonators loaded with T-shaped open stubs using axially and centrally symmetric spiral structures, respectively, are presented. Spiraled for circuit size reduction, these two half-wavelength ...
  • Compact Size UWB Monopole Antenna with Triple Band-Notches 

    Ali, W.; Ibrahim, A. A.; Machac, J. (Společnost pro radioelektronické inženýrství, 2017-04)
    This paper presents triple band notched ultra wide band (UWB) monopole antenna with overall size of 36 × 32 mm2 fed by microstrip transmission line. In order to achieve a good impedance matching from 2.7 GHz to 13.4 GHz, ...
  • Complementary Split Ring Resonator Based Triple Band Microstrip Antenna for WLAN/WiMAX Applications 

    Ali, W.; Hamad, E.; Bassiuny, M.; Hamdallah, M. (Společnost pro radioelektronické inženýrství, 2017-04)
    A new simple design of a triple-band microstrip antenna using metamaterial concept is presented in this paper. Multi-unit cell was the key of the multi resonance response that was obtained by etching two circular and one ...
  • Design of Second Order Recursive Digital Integrators with Matching Phase and Magnitude Response 

    Garg, K.; Upadhyay, D. K. (Společnost pro radioelektronické inženýrství, 2017-04)
    Location of poles and zeroes greatly affect phase response and magnitude response of a system. Recently, pole-zero optimization emerged as an effective approach to approximately match magnitude response of a system with ...
  • Directly Printable Frequency Signature Chipless RFID Tag for IoT Applications 

    Anam, H.; Habib, A.; Jafri, S. I.; Amin, Y.; Tenhunen, H. (Společnost pro radioelektronické inženýrství, 2017-04)
    This Paper proposes a low-cost, compact, flexible passive chipless RFID tag that has been designed and analyzed. The tag is a bowtie-shaped resonator based structure with 36 slots; where each patch is loaded with 18 slots. ...
  • An Efficient Eulerian Video Magnification Technique for Micro-biology Applications 

    Kayani, M.; Riaz, M. M.; Ghafoor, A.; Iltaf, N. (Společnost pro radioelektronické inženýrství, 2017-04)
    The micro-biology videos often contain motions of particles which are not visible to naked eye. Therefore an efficient motion magnification technique is required to magnify these motions. A time efficient eulerian video ...
  • Electromagnetic Scattering from a PEC Wedge Capped with Cylindrical Layers with Dielectric and Conductive Properties 

    Ozturk, H.; Yegin, K. (Společnost pro radioelektronické inženýrství, 2017-04)
    Electromagnetic scattering from a layered capped wedge is studied. The wedge is assumed infinite in z-direction (longitudinal) and capped with arbitrary layers of dielectric with varying thicknesses and dielectric properties ...
  • Energy Harvesting-based Spectrum Access with Incremental Cooperation, Relay Selection and Hardware Noises 

    Nguyen, T. N.; Duy, T. T.; Luu, G.-T.; Tran, P. T.; Voznak, M. (Společnost pro radioelektronické inženýrství, 2017-04)
    In this paper, we propose an energy harvesting (EH)-based spectrum access model in cognitive radio (CR) network. In the proposed scheme, one of available secondary transmitters (STs) helps a primary transmitter (PT) forward ...
  • High Performance DGS Integrated Compact Antenna for 2.4/5.2/5.8 GHz WLAN Band 

    Chakraborty, M.; Chakraborty, S.; Reddy, P. S.; Samanta, S. (Společnost pro radioelektronické inženýrství, 2017-04)
    An application specific tri-band hexagonal microstrip antenna with saw tooth shaped defected ground structure (DGS) is proposed. In this paper, a hexagonal microstrip antenna is designed for 5.2 GHz which is basically WLAN ...
  • Identification of a Time-Varying Curve in Spectrogram 

    Klejmova, E.; Pomenkova, J. (Společnost pro radioelektronické inženýrství, 2017-04)
    In this study a process of acquiring a trend of significant spectral coefficients of Photonic Doppler Velocimetry (PDV) data is proposed. The novelty of the paper is the design of a methodology which will allow to find a ...
  • Interference Analysis between Mobile Radio and Digital Terrestrial Television in the Digital Dividend Spectrum 

    Tekovic, A.; Bonefacic, D.; Sisul, G.; Nad, R. (Společnost pro radioelektronické inženýrství, 2017-04)
    This paper is concerned with the analysis of adjacent channel interference of the Long Term Evolution (LTE) mobile system operating in the Digital Dividend into Digital Video Broadcasting – Terrestrial (DVB–T) system. Field ...