Poslední příspěvky

  • Optimization Methods in Emotion Recognition System 

    Povoda, L.; Burget, R.; Masek, J.; Uher, V.; Dutta, M. K. (Společnost pro radioelektronické inženýrství, 2016-09)
    Emotions play big role in our everyday communication and contain important information. This work describes a novel method of automatic emotion recognition from textual data. The method is based on well-known data mining ...
  • Beam Footprint Detection and Tracking for Non-cooperative Bistatic SAR 

    Yan, F.; Chang, W.; Li, X.; Zhang, Q. (Společnost pro radioelektronické inženýrství, 2016-09)
    In non-cooperative bistatic synthetic aperture radar (SAR), the position of transmitter’s beam footprint should be detected and tracked in real-time to perform beam synchronization. Theoretical analysis shows that ...
  • Array Pattern Synthesis Using a Digital Position Shift Method 

    Han, C.; Wang, L. (Společnost pro radioelektronické inženýrství, 2016-09)
    Considering all possible steering directions for beam scanning, a digital position shift method (DPSM) is presented to minimize the Peak Sidelobe Level (PSL) by searching the best position solution for every sensor and ...
  • Strong Spurious Noise Suppression for an FMCW SAR 

    Tian, H.; Chang, W. G.; Li, X. Y.; Liu, Z. H. (Společnost pro radioelektronické inženýrství, 2016-09)
    To meet the miniature requirement, a frequency modulated continuous wave synthetic aperture radar (FMCW SAR) puts tight constraint on the compactness, which causes the interference of narrow band noise. The aim of this ...
  • Improved Mean Shift Target Localization using True Background Weighted Histogram and Geometric Centroid Adjustment 

    Mehmood, R.; Huda, N.; Song, J.; Riaz, M. M.; Iqbal, N.; Choi, T. S. (Společnost pro radioelektronické inženýrství, 2016-09)
    Mean Shift (MS) tracking using histogram features alone may cause inaccuracy in target localization. The problem becomes worst due to presence of mingled background features in target model representation. To improve MS ...
  • Time of Arrival Complementing Method for Cooperative Localization of a Target by Two-Node UWB Sensor Network 

    Svecova, M.; Kocur, D. (Společnost pro radioelektronické inženýrství, 2016-09)
    Recently, the detection, localization and tracking of moving persons in emergency situations using ultra-wideband (UWB) sensors have attracted the attention of researchers and final users as well. Experiences with single ...
  • Proactive and Reactive DF Relaying for Cognitive Network with Multiple Primary Users 

    De, C. K.; Kundu, S. (Společnost pro radioelektronické inženýrství, 2016-09)
    In this paper, the outage performance of a cognitive radio network with a pair of secondary transmitter and receiver is investigated in the presence multiple primary users over a number of licensed frequency band and ...
  • Discrete-Time Filter Synthesis using Product of Gegenbauer Polynomials 

    Stojanovic, N.; Stamenkovic, N.; Krstic, I. (Společnost pro radioelektronické inženýrství, 2016-09)
    A new approximation to design continuoustime and discrete-time low-pass filters, presented in this paper, based on the product of Gegenbauer polynomials, provides the ability of more flexible adjustment of passband and ...
  • Robust Image Encryption Based on Balanced Cellular Automaton and Pixel Separation 

    Tralic, D.; Grgic, S. (Společnost pro radioelektronické inženýrství, 2016-09)
    The purpose of image encryption is to protect content from unauthorized access. Image encryption is usually done by pixel scrambling and confusion, so process is possible to reverse only by knowing secret information. In ...
  • Depth Map Improvement by Combining Passive and Active Scanning Methods 

    Kaller, O.; Bolecek, L.; Polak, L.; Kratochvil, T. (Společnost pro radioelektronické inženýrství, 2016-09)
    The paper presents a new method of more precise estimation of the depth map in 3D videos. The novelty of the proposed approach lies in sophisticated combination of partial results obtained by selected existing passive and ...
  • Performance Limitations Analysis of Imperfect Attenuators for Adaptive Self-Interference Cancellation Systém 

    Liu, J.; Quan, H.; Cui, P.; Sun, H. (Společnost pro radioelektronické inženýrství, 2016-09)
    Radio frequency (RF) adaptive self-interference cancellation system (RFAICS) is extensively used to suppress the self-interference of radios operating in the same platform, such as military command vehicles, airplanes and ...
  • Cooperative Punctured Polar Coding (CPPC) Scheme Based on Plotkin’s Construction 

    Soliman, T.; Yang, F. (Společnost pro radioelektronické inženýrství, 2016-09)
    A new cooperative punctured polar coding (CPPC) scheme with multi joint successive cancellation (MJSC) decoding at the destination is proposed, which may be obtained by applying puncturing algorithm to cooperative polar ...
  • Box-Particle Labeled Multi-Bernoulli Filter for Multiple Extended Target Tracking 

    Li, M.; Lin, Z.; An, W.; Zhou, Y. (Společnost pro radioelektronické inženýrství, 2016-09)
    This paper focuses on real-time tracking of multiple extended targets in clutter based on labeled multi-Bernoulli filter. To address this problem, a novel approach is proposed within the recently presented box-particle ...
  • Robust Image Hashing Using Radon Transform and Invariant Features 

    Liu, Y. L.; Xin, G. J.; Xiao, Y. (Společnost pro radioelektronické inženýrství, 2016-09)
    A robust image hashing method based on radon transform and invariant features is proposed for image authentication, image retrieval, and image detection. Specifically, an input image is firstly converted into a counterpart ...
  • Increase of Carrier-to-Noise Ratio in GPS Receivers Caused by Continuous-Wave Interference 

    Li, J.; Nie, J.; Li, B.; Wang, F. (Společnost pro radioelektronické inženýrství, 2016-09)
    The increased use of personal private devices (PPDs) is drawing greater attention to the effects of continuous-wave interference (CWI) on the performance of global positioning system (GPS) receivers. The effective ...
  • Signal and Noise Modeling of Microwave Transistors Using Characteristic Support Vector-based Sparse Regression 

    Gunes, F.; Belen, M. A.; Mahouti, P.; Demirel, S. (Společnost pro radioelektronické inženýrství, 2016-09)
    In this work, an accurate and reliable S- and Noise (N) - parameter black-box models for a microwave transistor are constructed based on the sparse regression using the Support Vector Regression Machine (SVRM) as a nonlinear ...
  • GPS Interference Mitigation Using Derivative-free Kalman Filter-based RNN 

    Mao, W. L. (Společnost pro radioelektronické inženýrství, 2016-09)
    The global positioning system (GPS) with accurate positioning and timing properties has become integral part of all applications around the world. Radio frequency interference can significantly decrease the performance of ...
  • Compact RFID Enabled Moisture Sensor 

    Khan, U. H.; Aslam, B.; Azam, M. A.; Amin, Y.; Tenhunen, H. (Společnost pro radioelektronické inženýrství, 2016-09)
    This research proposes a novel, low-cost RFID tag sensor antenna implemented using commercially available Kodak photo-paper. The aim of this paper is to investigate the possibility of stable, RFID centric communication ...
  • Stability Analysis and Design of Negative Impedance Converters: Application to Circuit and Small Antennas 

    Segovia-Vargas, D.; Jimenez-Martin, J. L.; Parra-Cerrada, A.; Ugarte-Munoz, E.; Albarracin-Vargas, L. F.; Gonzalez-Posadas, V. (Společnost pro radioelektronické inženýrství, 2016-09)
    Negative impedance converters (NICs) have been proposed as structures to improve the performance of RF circuits and electrically small antennas. However, NICs suffer from stability problems. This paper presents a compact ...
  • Antenna Solutions for 4G Smartphones in Laser Direct Structuring Technology 

    Cihangir, A.; Sonnerat, F.; Gianesello, F.; Gloria, D.; Luxey, C. (Společnost pro radioelektronické inženýrství, 2016-09)
    Two antenna designs operating in the LTE/4G cellular frequency bands are proposed in this paper. Both designs consist of a driven strip which capacitively excites a parasitic grounded strip for a better matching response ...

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