Перегляд 2016/1 за датою
Зараз показуються 1-20 з 28
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The Distributed Convergence Classifier Using the Finite Difference
(Společnost pro radioelektronické inženýrství, 2016-04)The paper presents a novel distributed classifier of the convergence, which allows to detect the convergence/the divergence of a distributed converging algorithm. Since this classifier is supposed to be primarily applied ... -
Box-Particle Implementation and Comparison of Cardinalized Probability Hypothesis Density Filter
(Společnost pro radioelektronické inženýrství, 2016-04)This paper develops a box-particle implementation of cardinalized probability hypothesis density filter to track multiple targets and estimate the unknown number of targets. A box particle is a random sample that occupies ... -
Error Analysis of Fixed-Gain AF Relaying with MRC Over Nakagami-m Fading Channels
(Společnost pro radioelektronické inženýrství, 2016-04)This article investigates the error performance of wireless communication systems that employ binary modulations and Amplify-and-Forward (AF) relaying over flat Nakagami-m faded links with maximum ratio combining (MRC) at ... -
Single Tree Vegetation Depth Estimation Tool for Satellite Services Link Design
(Společnost pro radioelektronické inženýrství, 2016-04)Attenuation caused by tree shadowing is an important factor for describing the propagation channel of satellite services. Thus, vegetation effects should be determined by experimental studies or empirical formulations. In ... -
Point Spread Functions in Identification of Astronomical Objects from Poisson Noised Image
(Společnost pro radioelektronické inženýrství, 2016-04)This article deals with modeling of astronomical objects, which is one of the most fundamental topics in astronomical science. Introduction part is focused on problem description and used methods. Point Spread Function ... -
CMF-DFE Based Adaptive Blind Equalization Using Particle Swarm Optimization
(Společnost pro radioelektronické inženýrství, 2016-04)The channel matched filter (CMF) is the optimum receiver providing the maximum signal to noise ratio (SNR) for the frequency selective channels. The output intersymbol interference (ISI) profile of the CMF convolved by the ... -
Multiband Bandstop Filter using an I-Stub-Loaded Meandered Defected Microstrip Structure
(Společnost pro radioelektronické inženýrství, 2016-04)This paper presents a compact multiband bandstop filter (BSF) that utilizes an I-stub embedded within a meandered defected microstrip structure (MDMS). The proposed design for obtaining a single stopband is analyzed by ... -
A Novel System for Non-Invasive Method of Animal Tracking and Classification in Designated Area Using Intelligent Camera System
(Společnost pro radioelektronické inženýrství, 2016-04)This paper proposed a novel system for non-invasive method of animal tracking and classification in designated area. The system is based on intelligent devices with cameras, which are situated in a designated area and a ... -
A Dual Layer Frequency Selective Surface Reflector for Wideband Applications
(Společnost pro radioelektronické inženýrství, 2016-04)A dual-layer, bandstop frequency selective surface (FSS) is presented in this paper for wideband applications. Each layer uses patch type FSS with slots for miniaturization and are cascaded with an air gap in between. The ... -
Off-set Filtering Effect in SOA Based Optical Access Network
(Společnost pro radioelektronické inženýrství, 2016-04)In-line and reflective semiconductor optical amplifiers (SOA and RSOA) can be effectively utilized as external optical intensity modulators. However the limited modulation bandwidth affects the application possibilities, ... -
Fully Photonic Wireless Link for Transmission of Synchronization Signals
(Společnost pro radioelektronické inženýrství, 2016-04)Rapid industrialization and increasing demand of business tools for high-speed communications supports the request for optical communications in free space. Copper cables and related technologies such as cable modems and ... -
A High-gain and Low-scattering Waveguide Slot Antenna of Artificial Magnetic Conductor Octagonal Ring Arrangement
(Společnost pro radioelektronické inženýrství, 2016-04)A novel design of high-gain and low-scattering waveguide slot antenna is proposed in this paper. Firstly the scattering pattern of artificial magnetic conductor (AMC) composite surface is estimated by array factor analysis ... -
Optimum Functions for Radial Wires of Monopole Antennas with Arbitrary Elevation Angles
(Společnost pro radioelektronické inženýrství, 2016-04)Monopole antennas on the earth usually use ground screen with simple radial wires to improve their radiation performance. The number of radials,N, is usually considered a constant in the screen. This paper studies the ... -
Analysis of Residue Probability Density Function and Comparator Offset Error in Pipelined ADCs
(Společnost pro radioelektronické inženýrství, 2016-04)This paper presents a new approach to analyze the convergence of residue probability density function (pdf) in pipelined ADCs. Compared to the previous approaches, in the proposed approach, in addition to the analysis of ... -
On the Application of the Incomplete QR Algorithm to the Analysis of Microstrip Antennas
(Společnost pro radioelektronické inženýrství, 2016-04)In this paper, we provide some insight into the usage of fast, iterative, method-of-moments (MoM) solution of integral equations (IE) describing antennas and other metallic structures immersed in a planar multilayered ... -
Robust Tensor Analysis with Non-Greedy L1-Norm Maximization
(Společnost pro radioelektronické inženýrství, 2016-04)The L1-norm based tensor analysis (TPCA-L1) is recently proposed for dimensionality reduction and feature extraction. However, a greedy strategy was utilized for solving the L1-norm maximization problem, which makes it ... -
Congestion-Aware Routing and Fuzzy-based Rate Controller for Wireless Sensor Networks
(Společnost pro radioelektronické inženýrství, 2016-04)In this paper, congestion-aware routing and fuzzy-based rate controller for wireless sensor networks (WSNs) is proposed. The proposed method tries to make a distinction between locally generated data and transit data by ... -
Efficient Analysis of Structures with Rotatable Elements Using Model Order Reduction
(Společnost pro radioelektronické inženýrství, 2016-04)This paper presents a novel full-wave technique which allows for a fast 3D finite element analysis of waveguide structures containing rotatable tuning elements of arbitrary shapes. Rotation of these elements changes the ... -
A Security Formal Verification Method for Protocols Using Cryptographic Contactless Smart Cards
(Společnost pro radioelektronické inženýrství, 2016-04)We present a method of contactless smart card protocol modeling suitable for finding vulnerabilities using model checking. Smart cards are used in applications that require high level of security, such as payment applications, ... -
An Introduction to the Source Concept for Antennas
(Společnost pro radioelektronické inženýrství, 2016-04)Antenna parameters particularly relevant to electrically small antenna design are reviewed in this paper. Source current definitions are accentuated leading to the introduction of the source concept which advantageously ...