2016/3
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Recent Submissions
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Strong Spurious Noise Suppression for an FMCW SAR
(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 ... -
Array Pattern Synthesis Using a Digital Position Shift Method
(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 ... -
Optimization Methods in Emotion Recognition System
(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 ... -
Time of Arrival Complementing Method for Cooperative Localization of a Target by Two-Node UWB Sensor Network
(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 ... -
Improved Mean Shift Target Localization using True Background Weighted Histogram and Geometric Centroid Adjustment
(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 ... -
Beam Footprint Detection and Tracking for Non-cooperative Bistatic SAR
(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 ... -
Proactive and Reactive DF Relaying for Cognitive Network with Multiple Primary Users
(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 ... -
Signal and Noise Modeling of Microwave Transistors Using Characteristic Support Vector-based Sparse Regression
(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 ... -
Box-Particle Labeled Multi-Bernoulli Filter for Multiple Extended Target Tracking
(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 ... -
Discrete-Time Filter Synthesis using Product of Gegenbauer Polynomials
(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
(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 ... -
Increase of Carrier-to-Noise Ratio in GPS Receivers Caused by Continuous-Wave Interference
(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 ... -
Depth Map Improvement by Combining Passive and Active Scanning Methods
(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
(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 ... -
GPS Interference Mitigation Using Derivative-free Kalman Filter-based RNN
(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 ... -
Cooperative Punctured Polar Coding (CPPC) Scheme Based on Plotkin’s Construction
(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 ... -
Robust Image Hashing Using Radon Transform and Invariant Features
(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 ... -
Performance Analysis of Diversity Combining over Rayleigh Fading Channels with Impulsive Noise
(Společnost pro radioelektronické inženýrství, 2016-09)This paper investigates the performance analysis of diversity combining over flat fading channels subject to additive impulsive noise. Specifically, the impulsive noise follows the symmetric α-stable (SαS) distribution. ... -
Compact RFID Enabled Moisture Sensor
(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 ... -
A Planar UWB Antenna with Switchable Single/Double Band-Rejection Characteristics
(Společnost pro radioelektronické inženýrství, 2016-09)In this Paper, a reconfigurable antenna with capability to operate in the ultrawideband (UWB) mode from 2.85 to 14.4 GHz with switchable notch bands of 3.25–4.26 GHz, 5.1–5.9 GHz or 7.1-7.8 GHz, is presented. The proposed ...