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Voltage Differencing Buffered Amplifier-Based Novel Truly Mixed-Mode Biquadratic Universal Filter with Versatile Input/Output Features
(MDPI, 2022-01-25)In this paper, a first-of-a-kind mixed-mode universal filter employing three VDBAs and three passive components, is proposed. The filter operates in all four modes and provides all five filter responses, namely voltage-mode ... -
A Method for Cheating Indication in Unproctored On-Line Exams
(MDPI, 2022-01-15)COVID-19 has disrupted every field of life and education is not immune to it. Student learning and examinations moved on-line on a few weeks notice, which has created a large workload for academics to grade the assessments ... -
Influence of phase-sensitive optical time-domain reflectometer on community antenna television transmission
(SPIE, 2021-02-17)Multiple studies have been carried out to analyze the mutual interaction of a phase-sensitive optical time-domain reflectometer (Phi-OTDR) and parallel digital data traffic. However, interactions with analog transmission, ... -
A Robust Frequency-Domain-Based Order Reduction Scheme for Linear Time-Invariant Systems
(IEEE, 2021-12-23)This paper presents a robust model order reduction technique with guaranteed stability, minimum phase, and matched steady-state response for linear time-invariant single-input-single-output systems. The proposed approach ... -
Shannon entropy: A novel parameter for quantifying pentagon copying performance in non-demented Parkinson's disease patients
(Elsevier, 2021-12-04)Introduction Impaired copy of intersecting pentagons from the Mini-Mental State Examination (MMSE), has been used to assess dementia in Parkinson's disease (PD). We used a digitizing tablet during the pentagon copying test ... -
Application Perspective on Cybersecurity Testbed for Industrial Control Systems
(MDPI, 2021-12-04)The low-power wide-area (LPWA) technologies, which enable cost and energy-efficient wireless connectivity for massive deployments of autonomous machines, have enabled and boosted the development of many new Internet of ... -
Developmental Dysgraphia: A New Approach to Diagnosis
(Common Ground Research Networks, 2021-04-30)Writing is a complex skill. Issues in this process, which are usually associated with developmental dysgraphia (DD), could consistently cause problems in everyday life, like for example, lower self-esteem and poorer academic ... -
Non-invasive brain stimulation for speech in Parkinson’s disease: A randomized controlled trial
(Elsevier, 2021-05-01)Background: Hypokinetic dysarthria is a common but difficult-to-treat symptom of Parkinson’s disease (PD). Objectives: We evaluated the long-term effects of multiple-session repetitive transcranial magnetic stimulation on ... -
Articulatory network reorganization in Parkinson's disease as assessed by multimodal MRI and acoustic measures
(Elsevier, 2021-03-01)Introduction: Hypokinetic dysarthria (HD) is common in Parkinson's disease (PD). Our objective was to evaluate articulatory networks and their reorganization due to PD pathology in individuals without overt speech impairment ... -
PMD Study & Measurement – Fixed Analyzer Method
(Croatian Communications and Information Society, 2016-01-25)The paper theoretically describes Polarization Mode Dispersion (PMD) which is important parameter in high-speed optical networks. Furthermore, compensation methods and measurement principles are presented. Main attention ... -
Z-copy Voltage Controlled Current Follower Differential Input Transconductance Amplifier in Controllable Biquadratic Band-Pass Filter
(Kaunas University of Technology, 2016-08-17)This paper presents the results of study on utilization of Z-copy Voltage Controlled Current Follower Differential Input Transconductance Amplifier (ZCVCCFDITA) active element in a single purpose filtering structure. This ... -
Novel rogue optical network unit detection algorithm for gigabit passive optical networks
(Wrocław University of Science and Technology, Faculty of Fundamental Problems of Technology, 2016-08-09)Passive optical networks are widely used as a promising solution for future access networks. Currently, the bandwidth is still increasing which means the current copper networks are not able to transfer new services such ... -
The Use of European Internet Communication Properties for IP Geolocation
(Kaunas University of Technology, 2016-03-23)IP Geolocation is a term used for finding the geographical location of an IP node. In this paper, we study the Internet communication properties and their use for client-independent Geolocation - finding the location without ... -
First-order transfer sections with reconnection-less electronically reconfigurable high-pass, all-pass and direct transfer character
(De Gruyter, 2016-03-03)Presented research introduces active filtering circuits which allow change of the transfer type without necessity of reconnection of the input or output terminal that can be very useful for on-chip applications. Our attention ... -
POL-MUX System for Noncoherent Optical Networks
(MDPI, 2021-06-16)This paper is focused on applying a polarization multiplex to passive optical networks to double their transmission bandwidth without significant changes in the distribution network. Although polarization multiplexes are ... -
Network Anomaly Detection With Temporal Convolutional Network and U-Net Model
(IEEE, 2021-10-21)Anomaly detection in network traffic is one of the key techniques to ensure security in future networks. Today, the importance of this topic is even higher, since the network traffic is growing and there is a need to have ... -
Audio declipping performance enhancement via crossfading
(Elsevier, 2021-10-27)Some audio declipping methods produce waveforms that do not fully respect the actual process of clipping and allow a deviation on the reliable samples. This article reports what effect on perception it has if the output ... -
The Optimal Real-Time Video Encoding Scheme for Multi-Camera Panoramic System Using NVENC
(International Science and Engineering Society, 2021-09-02)This paper is aimed primarily at a comparison of several practical implementations of NVENC technology using different presets of H.264 and HEVC standards. The experiments are mainly focused on testing the encoder’s real-time ... -
Anonymous Attribute-Based Credentials in Collaborative Indoor Positioning Systems
(SciTePress, 2021-07-08)Collaborative Indoor Positioning Systems have recently received considerable attention, mainly because they address some of the existing limitations of traditional Indoor Positioning System. In Collaborative Indoor Positioning ... -
Trains Detection Using State of Polarization Changes Measurement and Convolutional Neural Networks
(IEEE, 2021-05-25)Fiber optic infrastructure security is of growing interest. The current distributed sensor systems are robust and expensive solutions, and their practical applications are uncommon. Research into simple and cost-effective ...
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