Poslední příspěvky

  • A Novel FastICA Method for the Reference-based Contrast Functions 

    Zhao, W.; Wei, Y. M.; Shen, Y. H.; Yuan, Z. G.; Xu, P. C.; Jian, W. (Společnost pro radioelektronické inženýrství, 2014-12)
    This paper deals with the efficient optimization problem of Cumulant-based contrast criteria in the Blind Source Separation (BSS) framework, in which sources are retrieved by maximizing the Kurtosis contrast function. ...
  • On Amplify-and-Forward Relaying Over Hyper-Rayleigh Fading Channels 

    Alvi, S. H.; Wyne, S. (Společnost pro radioelektronické inženýrství, 2014-12)
    Relayed transmission holds promise for the next generation of wireless communication systems due to the performance gains it can provide over non-cooperative systems. Recently hyper-Rayleigh fading, which represents fading ...
  • Performance Analysis of a Dual-Hop Cooperative Relay Network with Co-Channel Interference 

    Lin, M.; Wei, H.; Ouyang, J.; An, K.; Yuan, C. (Společnost pro radioelektronické inženýrství, 2014-12)
    This paper analyzes the performance of a dual-hop amplify-and-forward (AF) cooperative relay network in the presence of direct link between the source and destination and multiple co-channel interferences (CCIs) at the ...
  • Invariance of the Null Distribution of the Multiple Coherence 

    Bortel, R.; Sovka, Pavel (Společnost pro radioelektronické inženýrství, 2014-12)
    In this paper we investigate the invariance of the null distribution of the multiple coherence (MC) to the statistics of the examined signals. We show that when the MC is computed between a group of signals x_i[n], i=1,...,K ...
  • A Novel Stealthy Target Detection Based on Stratospheric Balloon-borne Positional Instability due to Random Wind 

    Barbary, M.; Zong, Peng (Společnost pro radioelektronické inženýrství, 2014-12)
    A novel detection for stealthy target model F-117A with a higher aspect vision is introduced by using Stratospheric Balloon-borne Bistatic system. The potential problem of proposed scheme is platform instability impacted ...
  • First Order Sea Clutter Cross Section for HF Hybrid Sky-Surface Wave Radar 

    Zhu, Y.P.; Wei, Y.S.; Li, Y.J. (Společnost pro radioelektronické inženýrství, 2014-12)
    This paper presents a modified method to simulate the first order sea clutter cross section for high frequency (HF) hybrid sky-surface wave radar, based on the existent model applied in the bistatic HF surface wave radar. ...
  • Universal Image Steganalytic Method 

    Banoci, V.; Broda, M.; Bugar, G.; Levicky, D. (Společnost pro radioelektronické inženýrství, 2014-12)
    In the paper we introduce a new universal steganalytic method in JPEG file format that is detecting well-known and also newly developed steganographic methods. The steganalytic model is trained by MHF-DZ steganographic ...
  • Efficient Raw Signal Generation Based on Equivalent Scatterer and Subaperture Processing for SAR with Arbitrary Motion 

    Xie, H.T.; An, D.X.; Huang, X.T.; Zhou, Z.M. (Společnost pro radioelektronické inženýrství, 2014-12)
    An efficient SAR raw signal generation method based on equivalent scatterer and subaperture processing is proposed in this paper. It considers the radar’s motion track, which can obtain the precise raw signal for the real ...
  • Digital Demodulator for BFSK waveform based upon Correlator and Differentiator Systems 

    Torres, J.; Hernandez, F.; Habermann, J. (Společnost pro radioelektronické inženýrství, 2014-12)
    The present article relates in general to digital demodulation of Binary Frequency Shift Keying (BFSK waveform) . New processing methods for demodulating the BFSK-signals are proposed here. Based on Sampler Correlator, the ...
  • 3D Capturing with Monoscopic Camera 

    Galabov, M. (Společnost pro radioelektronické inženýrství, 2014-12)
    This article presents a new concept of using the auto-focus function of the monoscopic camera sensor to estimate depth map information, which avoids not only using auxiliary equipment or human interaction, but also the ...
  • Inverse Problem Solution in Landmines Detection Based on Active Thermography 

    Szymanik, B. (Společnost pro radioelektronické inženýrství, 2014-12)
    Landmines still affect numerous territories in the whole world and pose a serious threat, mostly to civilians. Widely used non-metallic landmines are undetectable using metal detector. Therefore, there is an urging need ...
  • Low Voltage Floating Gate MOS Transistor Based Four-Quadrant Multiplier 

    Srivastava, R.; Gupta, M.; Singh, U. (Společnost pro radioelektronické inženýrství, 2014-12)
    This paper presents a four-quadrant multiplier based on square-law characteristic of floating gate MOSFET (FGMOS) in saturation region. The proposed circuit uses square-difference identity and the differential voltage ...
  • A Versatile Active Block: DXCCCII and Tunable Applications 

    Tekin, S. A.; Ercan, H.; Alci, M. (Společnost pro radioelektronické inženýrství, 2014-12)
    The study describes dual-X controlled current conveyor (DXCCCII) as a versatile active block and its application to inductance simulators for testing. Moreover, the high pass filter application using with DXCCCII based ...
  • An Offset Cancelation Technique for Latch Type Sense Amplifiers 

    Souliotis, G.; Laoudias, C.; Terzopoulos, N. (Společnost pro radioelektronické inženýrství, 2014-12)
    An offset compensation technique for a latch type sense amplifier is proposed in this paper. The proposed scheme is based on the recalibration of the charging/discharging current of the critical nodes which are affected ...
  • Fully CMOS Memristor Based Chaotic Circuit 

    Yener, S. C.; Kuntman, H. H. (Společnost pro radioelektronické inženýrství, 2014-12)
    This paper demonstrates the design of a fully CMOS chaotic circuit consisting of only DDCC based memristor and inductance simulator. Our design is composed of these active blocks using CMOS 0.18 µm process technology with ...
  • SIM-DSP: A DSP-Enhanced CAD Platform for Signal Integrity Macromodeling and Simulation 

    Chi-Un Lei (Společnost pro radioelektronické inženýrství, 2014-12)
    Macromodeling-Simulation process for signal integrity verifications has become necessary for the high speed circuit system design. This paper aims to introduce a “VLSI Signal Integrity Macromodeling and Simulation via ...
  • Design of Dual-Band Two-Branch-Line Couplers with Arbitrary Coupling Coefficients in Bands 

    Prudyus, I.; Oborzhytskyy, V. (Společnost pro radioelektronické inženýrství, 2014-12)
    A new approach to design dual-band two-branch couplers with arbitrary coupling coefficients at two operating frequency bands is proposed in this article. The method is based on the usage of equivalent subcircuits input ...
  • High-Isolation Dual-Polarized Microstrip Antenna via Substrate Integrated Waveguide Technology 

    Li, Sijia; Cao, Xiangyu; Gao, Jun; Gao, Pengcheng (Společnost pro radioelektronické inženýrství, 2014-12)
    A dual-polarized microstrip antenna with high-isolation is proposed by the utilization of the substrate-integrated waveguide (SIW) technology. According to the SIW technology, the metalized holes (MHs) are inserted into ...
  • Concentrated Ground Plane Booster Antenna Technology for Multiband Operation in Handset Devices 

    Picher, C.; Anguera, J.; Andujar, A.; Puente, C.; Bujalance, A. (Společnost pro radioelektronické inženýrství, 2014-12)
    The current demand in the handset antenna field requires multiband antennas due to the existence of multiple communication standards and the emergence of new ones. At the same time, antennas with reduced dimensions are ...
  • A Coplanar Waveguide Fed Hexagonal Shape Ultra Wide Band Antenna with WiMAX and WLAN Band Rejection 

    Mandal, T.; Das, S. (Společnost pro radioelektronické inženýrství, 2014-12)
    In this paper, a coplanar waveguide (CPW) fed hexagonal shape planar antenna has been considered for ultra-wide band (UWB). This antenna is then modified to obtain dual band rejection. The Wireless Local Area Network (WLAN) ...

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