• Application of Memristors in Microwave Passive Circuits 

    Potrebic, M.; Tosic, D. (Společnost pro radioelektronické inženýrství, 2015-06)
    The recent implementation of the fourth fundamental electric circuit element, the memristor, opened new vistas in many fields of engineering applications. In this paper, we explore several RF/microwave passive circuits ...
  • Carrier Sense Random Packet CDMA Protocol in Dual-Channel Networks 

    Du, C.; Quan, H.; Cui, P.; Liang, W.; Zhou, P.; Dou, J. (Společnost pro radioelektronické inženýrství, 2015-06)
    Code resource wastage is caused by the reason that many hopping frequency (FH) sequences are unused, which occurs under the condition that the number of the actual subnets needed for the tactical network is far smaller ...
  • Classification of Overlapped Audio Events Based on AT, PLSA, and the Combination of Them 

    Leng, Y.; Sun, C. L.; Cheng, C. F.; Xu, X. Y.; Li, S.; Wan, H. L.; Fang, J.; Li, D. W. (Společnost pro radioelektronické inženýrství, 2015-06)
    Audio event classification, as an important part of Computational Auditory Scene Analysis, has attracted much attention. Currently, the classification technology is mature enough to classify isolated audio events accurately, ...
  • A Compact Tri-band Printed Antenna for MIMO Applications 

    Zang, J. W.; Wang, X. T. (Společnost pro radioelektronické inženýrství, 2015-06)
    In this paper, a compact tri-band printed multi-input multi-output (MIMO) antenna with high isolation is presented to operate within WLAN and WiMAX frequency bands. By adopting a rectangular open-ended slot combined with ...
  • Design and Evaluation of Digital Baseband Converter Sub-channel Delay Compensation Method on Bandwidth Synthesis 

    Kun Jiang; Pingbo Yan; Yuanqin Wang; Yiwen Jiao; Xin Lian; Ke Xu (Společnost pro radioelektronické inženýrství, 2015-06)
    The effect of sub-channel delay on bandwidth synthesis is investigated to eliminate the “phase step” phenomenon in bandwidth synthesis during the test of CDBE (Chinese Digital Backend). Through formula derivation, we realize ...
  • Design and Implementation of a FPGA and DSP Based MIMO Radar Imaging System 

    Wei Wang; Dong Liang; Zhihua Wang, Haiyang Yu, Qi Liu (Společnost pro radioelektronické inženýrství, 2015-06)
    The work presented in this paper is aimed at the implementation of a real-time multiple-input multiple-output (MIMO) imaging radar used for area surveillance. In this radar, the equivalent virtual array method and time-division ...
  • Differential Equations of Ideal Memristors 

    Biolek, Zdeněk; Biolek, Dalibor; Biolková, Viera (Společnost pro radioelektronické inženýrství, 2015-06)
    Ideal memristor is a resistor with a memory, which adds dynamics to its behavior. The most usual characteristics describing this dynamics are the constitutive relation (i.e. the relation between flux and charge), or ...
  • An Efficient Algorithm by Kurtosis Maximization in Reference-Based Framework 

    Zhao, W.; Wei, Y. M.; Shen, Y. H.; Cao, Y. F.; Yuan, Z. G.; Xu, P. C.; Jian, W. (Společnost pro radioelektronické inženýrství, 2015-06)
    This paper deals with the optimization of kurtosis for complex-valued signals in the independent component analysis (ICA) framework, where source signals are linearly and instantaneously mixed. Inspired by the recently ...
  • Everything You Wish to Know About Memristors But Are Afraid to Ask 

    Chua, L. (Společnost pro radioelektronické inženýrství, 2015-06)
    This paper classifies all memristors into three classes called Ideal, Generic, or Extended memristors. A subclass of Generic memristors is related to Ideal memristors via a one-to-one mathematical transformation, and is ...
  • Finding the Most Uniform Changes in Vowel Polygon Caused by Psychological Stress 

    Stanek, M.; Sigmund, M. (Společnost pro radioelektronické inženýrství, 2015-06)
    Using vowel polygons, exactly their parameters, is chosen as the criterion for achievement of differences between normal state of speaker and relevant speech under real psychological stress. All results were experimentally ...
  • Formulating the Net Gain of MISO-SFN in the Presence of Self-Interferences 

    Jeon, S.; Kim, J.; Mok, H.-K.; Seo, J.-S. (Společnost pro radioelektronické inženýrství, 2015-06)
    In this study, an analytical formula for multiple-input single-output single frequency network gain (MISO-SFNG) is investigated. To formulate the net MISO-SFNG, we derived the average signal to interference plus noise ratio ...
  • A Frequency-Reconfigurable Monopole Antenna with Switchable Stubbed Ground Structure 

    Liu, X. L.; Yang, X. L.; Kong, F. L. (Společnost pro radioelektronické inženýrství, 2015-06)
    A frequency-reconfigurable coplanar-waveguide (CPW) fed monopole antenna using switchable stubbed ground structure is presented. Four PIN diodes are employed in the stubs stretching from the ground to make the antenna ...
  • Gain Enhancement of a Wide Slot Antenna Using a Second-Order Bandpass Frequency Selective Surface 

    Chatterjee, A.; Parui, S. K. (Společnost pro radioelektronické inženýrství, 2015-06)
    Gain enhancement of a wide slot antenna over a wide frequency band using a low profile, second order bandpass frequency selective surface (FSS) as a superstrate is presented in this paper. The proposed multilayered FSS ...
  • Generalized detector as a spectrum sensor in cognitive radio networks 

    Shbat, M.S.; Tuzlukov, V.P. (Společnost pro radioelektronické inženýrství, 2015-06)
    The implementation of the generalized detector (GD) in cognitive radio (CR) systems allows us to improve the spectrum sensing performance in comparison with employment of the conventional detectors. We analyze the spectrum ...
  • High Speed Dim Air Target Detection Using Airborne Radar under Clutter and Jamming Effects 

    Almslmany, A. E.; Cao, Q. S.; Wang, C. Y. (Společnost pro radioelektronické inženýrství, 2015-06)
    The challenging potential problems associated with using airborne radar in detection of high Speed Maneuvering Dim Target (HSMDT) are the highly noise, jamming and clutter effects. The problem is not only how to remove ...
  • Improved Model of TiO2 Memristor 

    Kolka, Zdeněk; Biolek, Dalibor; Biolková, Viera (Společnost pro radioelektronické inženýrství, 2015-06)
    Analysis of Pickett’s model of the HP TiO2 memristor presented in this paper reveals an ambiguity of its port equation, which may cause non-convergence, numerical errors, and non-physical solutions during time-domain ...
  • Influence of Stereoscopic Camera System Alignment Error on the Accuracy of 3D Reconstruction 

    Bolecek, L.; Ricny, V. (Společnost pro radioelektronické inženýrství, 2015-06)
    The article deals with the influence of inaccurate rotation of cameras in camera system alignment on 3D reconstruction accuracy. The accuracy of the all three spatial coordinates is analyzed for two alignments (setups) of ...
  • Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay Channels 

    Soliman, Tamer H. M.; Yang, Fengfan; Ejaz, S. (Společnost pro radioelektronické inženýrství, 2015-06)
    This paper proposes the interleaving gain in two different distributed turbo-coding schemes: Distributed Turbo Codes (DTC) and Distributed Multiple Turbo Codes (DMTC) for half-duplex relay system as an extension of our ...
  • Labeling Diversity for 2x2 WLAN Coded-Cooperative Networks 

    Ejaz, S.; Yang, FengFan; Xu, HongJun (Společnost pro radioelektronické inženýrství, 2015-06)
    Labelling diversity is an efficient technique recently proposed in the literature and aims to improve the bit error rate(BER) performance of wireless local area network (WLAN) systems with two transmit and two receive ...
  • A Memristor as Multi-Bit Memory: Feasibility Analysis 

    Bass, O.; Fish, A.; Naveh, D. (Společnost pro radioelektronické inženýrství, 2015-06)
    The use of emerging memristor materials for advanced electrical devices such as multi-valued logic is expected to outperform today's binary logic digital technologies. We show here an example for such non-binary device ...