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Časopis o dění na VUT v Brně
Recent Submissions
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Extended Target Fast Labeled Multi-Bernoulli Filter
(Společnost pro radioelektronické inženýrství, 2023-09)Focusing on the real-time tracking of the extended target labeled multi-Bernoulli (ET-LMB) filter, this paper proposes an extended target fast labeled multi-Bernoulli (ET-FLMB) filter based on beta gamma box particle (BGBP) ... -
A Hybrid Adaptive Beamforming Algorithm for SINR Enhancement in Massive MIMO Systems
(Společnost pro radioelektronické inženýrství, 2023-09)With the extreme density of devices and fast change of their directions in massive MIMO networks, a fast adaptive beamforming algorithm is required to provide high directivity and an enhanced signal-to-interference and ... -
A Modified Vector Fitting Technique to Extract Coupling Matrix from S-parameters
(Společnost pro radioelektronické inženýrství, 2023-09)In this paper, a modified vector fitting technique to extract coupling matrix from S-parameters is introduced. This work allows designers to extract the coupling matrix of different or any pre-defined topologies from the ... -
Design of a Dual-Band Three-Way Power Divider with Unequally High Power Split Ratio
(Společnost pro radioelektronické inženýrství, 2023-09)In this paper, a dual-band three-way power divider with unequally high power split ratio is proposed. The dual-band operation is achieved by using a two-section impedance transformer, and to reach a high split ratio, ... -
Study on the Generation of Vortex Waves Based on Coding Metasurfaces and Genetic Algorithms
(Společnost pro radioelektronické inženýrství, 2023-09)In this paper, the mechanism of vortex electromagnetic wave generated by coding metasurface is studied, and the shortcomings of this method are found through the research, what is more, the reasons for its production are ... -
Dual-Template Siamese Network with Attention Feature Fusion for Object Tracking
(Společnost pro radioelektronické inženýrství, 2023-09)In order to alleviate the adverse effects resulted from complex scenes for object tracking, such as fast movement, mottled background, interference of similar objects, and occlusion etc., an algorithm using dual-template ... -
Spatial Localization of Electromagnetic Radiation Sources by Cascade Neural Network Model with Noise Reduction
(Společnost pro radioelektronické inženýrství, 2023-09)In this paper, the Direction of Arrival - DoA estimation for two mobile sources was performed by using the Single Multilayer Perceptron (MLP) neural network model (SMLP-DoA) and the Cascade MLP model(CMLP). The latter model ... -
Polarization–Insensitive Angularly Stable Compact Triple Band Stop Frequency Selective Surface for Shielding Electromagnetic Radiations
(Společnost pro radioelektronické inženýrství, 2023-09)A compact single-layer, polarization-insensitive, and angularly stable frequency selective surface (FSS) based multi-stop band filter is reported for shielding three useful frequency bands covering 1.82–2.86 GHz Industrial, ... -
Software-Defined 1550-nm Full-Fiber Doppler Lidar for Contactless Vibration Measurement of High Voltage Power Equipment
(Společnost pro radioelektronické inženýrství, 2023-09)In this work, a 1550-nm full-fiber Doppler lidar via software-defined platform is built to realize flexible and low-cost contactless vibration measurement of high-voltage power equipment. A 1550-nm fiber layout is designed ... -
A Wasserstein Distance-Based Cost-Sensitive Framework for Imbalanced Data Classification
(Společnost pro radioelektronické inženýrství, 2023-09)Class imbalance is a prevalent problem in many real-world applications, and imbalanced data distribution can dramatically skew the performance of classifiers. In general, the higher the imbalance ratio of a dataset, the ... -
Improved Channel Estimation and Equalization for Single-Carrier IEEE 802.11ad Receivers
(Společnost pro radioelektronické inženýrství, 2023-09)IEEE 802.11ad uses mmWave technology for multi-gigabit wireless access networks. Multipath with large delay spread severely reduces performance due to insufficient guard interval. In this paper, we improve single-carrier ... -
A Zeno Paradox: Some Well-known Nonlinear Dopant Drift Memristor Models Have Infinite Resistive Switching Time
(Společnost pro radioelektronické inženýrství, 2023-09)There are nonlinear drift memristor models utilizing window functions in the literature. The resistive memories can also be modeled using memristors. If the memristor’s resistance switches from its minimum value to its ... -
Performance Analysis of Novel Index Modulation-Based Non-Orthogonal Multiple Access Systems over Nakagami-m Fading Channels with Imperfect CSI
(Společnost pro radioelektronické inženýrství, 2023-09)In this paper, a novel index modulation-based non-orthogonal multiple access (IM-NOMA) system is proposed and investigated for both perfect and imperfect channel state information (CSI) uncertainty over Nakagami-m fading ... -
Research on Detection Method for Tunnel Lining Defects Based on DCAM-YOLOv5 in GPR B-Scan
(Společnost pro radioelektronické inženýrství, 2023-09)This paper presents a detection method of DCAM-YOLOv5 for ground penetrating radar (GPR) to address the difficulty of identifying complex and multi-type defects in tunnel linings. The diversity of tunnel-lining defects and ... -
A Miniaturized Low Pass Filter with Extended Stopband and High Passband Selectivity
(Společnost pro radioelektronické inženýrství, 2023-09)In this work, an ultra-wide stopband low pass filter (LPF) with high selectivity is proposed using coupled stepped impedance resonators (SIRs), open shunt stubs and circular slots in the ground plane. The proposed LPF has ... -
Overcoming Unknown Measurement Noise Powers in Multistatic Target Localization: A Cyclic Minimization and Joint Estimation Algorithm
(Společnost pro radioelektronické inženýrství, 2023-09)This paper investigates the issue of multistatic target localization using measurements including angle of arrival (AOA), time delay (TD), and Doppler shift (DS). We delve into a practically driven nonideal localization ... -
Radar-Based Human Motion Recognition by Using Vital Signs with ECA-CNN
(Společnost pro radioelektronické inženýrství, 2023-06)Radar technologies reserve a large latent capacity in dealing with human motion recognition (HMR). For the problem that it is challenging to quickly and accurately classify various complex motions, an HMR algorithm combing ... -
Optimization of the Crest Factor for Complex-Valued Multisine Signals
(Společnost pro radioelektronické inženýrství, 2023-06)Multisine signals are commonly used in the measurement of dynamic systems and wireless channels. For optimal measurements with a high dynamic range, a low Crest Factor (CF) excitation signal is required. In this paper, a ... -
Machine Learning Based Classification of IoT Traffic
(Společnost pro radioelektronické inženýrství, 2023-06)With the rapid expansion and widespread adoption of the Internet of Things (IoT), maintaining secure connections among active devices can be challenging. Since IoT devices are limited in power and storage, they cannot ... -
SIW-Based Frequency-Tunable Self-Oscillating Active Integrated Antenna
(Společnost pro radioelektronické inženýrství, 2023-06)A frequency-tunable self-oscillating active integrated antenna (AIA) mainly composed of active circuit and 1×2 substrate integrated waveguide (SIW) antenna array is proposed in this paper. Manipulating bias voltage to the ...