Search Results - "Gotthans, Tomas"
-
1
Improving TDOA Radar Performance in Jammed Areas through Neural Network-Based Signal Processing
Published in Sensors (Basel, Switzerland) (07-03-2023)“…This paper presents a method for estimating the position of a target under jammed conditions using the Time Difference of Arrival (TDOA) method. The algorithm…”
Get full text
Journal Article -
2
On Feedback Sample Selection Methods Allowing Lightweight Digital Predistorter Adaptation
Published in IEEE transactions on circuits and systems. I, Regular papers (01-06-2020)“…In modern communication systems advanced techniques such as digital predistortion (DPD) are required to satisfy stringent demands on transmitter linearity and…”
Get full text
Journal Article -
3
New Chaotic Dynamical System with a Conic-Shaped Equilibrium Located on the Plane Structure
Published in Applied sciences (22-09-2017)“…This paper presents a new autonomous deterministic dynamical system with equilibrium degenerated into a plane-oriented hyperbolic geometrical structure. It is…”
Get full text
Journal Article -
4
Fracmemristor chaotic oscillator with multistable and antimonotonicity properties
Published in Journal of advanced research (01-09-2020)“…[Display omitted] Memristor is a non-linear circuit element in which voltage-current relationship is determined by the previous values of the voltage and…”
Get full text
Journal Article -
5
Modeling Deterministic Chaos Using Electronic Circuits
Published in Radioengineering (01-06-2011)“…This paper brings a note on systematic circuit synthesis methods for modeling the dynamical systems given by mathematical model. Both classical synthesis and…”
Get full text
Journal Article -
6
Dynamical Tangles in Third-Order Oscillator with Single Jump Function
Published in TheScientificWorld (2014)“…This contribution brings a deep and detailed study of the dynamical behavior associated with nonlinear oscillator described by a single third-order…”
Get full text
Journal Article -
7
New class of chaotic systems with circular equilibrium
Published in Nonlinear dynamics (01-08-2015)“…This paper brings a new mathematical model of the third-order autonomous deterministic dynamical system with associated chaotic motion. Its unique property…”
Get full text
Journal Article -
8
Radio Modulation Classification Using Deep Learning Architectures
Published in 2021 31st International Conference Radioelektronika (RADIOELEKTRONIKA) (19-04-2021)“…Over the past five years, there has been a focus on creating deep learning architectures for radio modulation recognition. Many of these architectures are…”
Get full text
Conference Proceeding -
9
Spectral Efficient Time-Domain Equalization Single-Carrier System
Published in 2021 31st International Conference Radioelektronika (RADIOELEKTRONIKA) (19-04-2021)“…This paper presents a performance comparison between the single-carrier frequency-domain equalization (SCFDE) system and an experimental, linear…”
Get full text
Conference Proceeding -
10
Wideband digital predistortion with sub-Nyquist nonuniform sampling and reconstruction of feedback path
Published in 2017 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR) (01-01-2017)“…We consider the problem of periodic nonuniform sampling of a multiband signal and its reconstruction from samples in the feedback path of a digital…”
Get full text
Conference Proceeding -
11
60 GHz Setup for RF Components Impairments Compensation
Published in 2018 IEEE MTT-S International Microwave Workshop Series on 5G Hardware and System Technologies (IMWS-5G) (01-08-2018)“…Due to the scarcity of spectrum in the microwave bands, currently used for cellular networks, wireless LANs and first generations of vehicular communications,…”
Get full text
Conference Proceeding -
12
On the sensitivity of digital predistortion to impairments of time-interleaved A/D converters
Published in 2018 28th International Conference Radioelektronika (RADIOELEKTRONIKA) (01-04-2018)“…The need for high sampling rates in the feedback path of the digital adaptive predistortion for power amplifier linearization usually limits its use to the…”
Get full text
Conference Proceeding -
13
FBMC filter bank optimization for non-linear power amplifiers
Published in 2016 26th International Conference Radioelektronika (RADIOELEKTRONIKA) (01-04-2016)“…In this paper we would like to point out one open issue related with filtered bank multi-carrier signals (FBMC). The experiment was trying to calculate filter…”
Get full text
Conference Proceeding -
14
Adjacent Channel Interference Cancellation in FDM Transmissions
Published in IEEE transactions on circuits and systems. I, Regular papers (01-12-2020)“…Interference between users in adjacent channels negatively affects throughput of mobile networks. In this paper we aim at cancellation of interference caused…”
Get full text
Journal Article -
15
A chaotic system with rounded square equilibrium and with no-equilibrium
Published in Optik (Stuttgart) (01-02-2017)“…Chaotic systems with an infinite number of equilibrium points and chaotic ones without equilibrium have received a significant attention in the last years…”
Get full text
Journal Article -
16
Digitally-Compensated Wideband 60 GHz Test-Bed for Power Amplifier Predistortion Experiments
Published in Sensors (Basel, Switzerland) (20-02-2021)“…Millimeter waves will play an important role in communication systems in the near future. On the one hand, the bandwidths available at millimeter-wave…”
Get full text
Journal Article -
17
Design of Passive Analog Electronic Circuits Using Hybrid Modified UMDA algorithm
Published in Radioengineering (01-04-2015)“…Hybrid evolutionary passive analog circuits synthesis method based on modified Univariate Marginal Distribution Algorithm (UMDA) and a local search algorithm…”
Get full text
Journal Article -
18
Electrothermal simulation of bonding wire degradation under uncertain geometries
Published in 2016 Design, Automation & Test in Europe Conference & Exhibition (DATE) (01-03-2016)“…In this paper, electrothermal field phenomena in electronic components are considered. This coupling is tackled by multiphysical field simulations using the…”
Get full text
Conference Proceeding Journal Article -
19
Deep Learning Pipeline for Chromosome Segmentation
Published in 2022 32nd International Conference Radioelektronika (RADIOELEKTRONIKA) (21-04-2022)“…Chromosome segmentation is a challenging and time-consuming part of karyotyping and requires a high level of expertise. Computer segmentation algorithms still…”
Get full text
Conference Proceeding -
20
Commercial UAV Jamming Possibilities
Published in 2022 32nd International Conference Radioelektronika (RADIOELEKTRONIKA) (21-04-2022)“…Malicious UAVs pose a growing threat. There are various ways to counter such devices. This article discusses the use of noise and EMP to jam drones. In this…”
Get full text
Conference Proceeding