Konferencijų straipsniai / Conference Articles: Recent submissions
Now showing items 261-280 of 15192
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Kompleksinės plokštės gyvenamųjų namų statyboje
(Statybinių konstrukcijų tyrimo rezultatų įdiegimas, naujos statybinės medžiagos ir nauji pamatai Lietuvoje: respublikinės mokslinės-techninės konferencijos „Statybos mokslo laimėjimai ir jų rezultatų įdiegimas į gamybą“, įvykusios 1990 m. sausio 31 – vasario 2 d., pranešimų tezės, 1990) -
Shape-finding and behavior of the prestressed hybrid cable-stayed string steel bridge
(Modern trends in research on steel, aluminium and composite structures : Proceedings of the XIV International Conference on Metal Structures (ICMS 2021), Poznań, Poland, 16-18 June 2021, 2021)One of the main issues in the design of cable-stayed steel bridges is the way of stabilization of their initial form under symmetrical and asymmetrical loads. The main mass of the load-bearing structures is concentrated ... -
On CMMN model for software system project simulation
(2021 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 22 April 2021, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2021)Software systems (SS) project failure has been a recurring problem for decades. One of the main factors of project success is appropriately chosen project management methodology and its adaption to the project type, company, ... -
An ANFIS-based model to predict the oil spill consequences on the ground
(2021 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 22 April 2021, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2021)Considering the randomness and complexity of oil spill accidents on the ground, the oil spill volume, the spilled oil density, the spreading coefficient of oil product on the surface layer and ground thickness, were taken ... -
Analysis of higher order vector Bessel-Gauss beam applicability to transparent material processing
(Proceedings of SPIE - The International Society for Optical Engineering: Laser-based Micro- and Nanoprocessing XV; 6-12 March 2021, California, United States, 2021)A well-known and already having many material processing applications zero-order Bessel beam makes a great base for improvements to have even broader applicability. In our work, we analyze vector Bessel beams (VBB), which ... -
Thin glass processing using Bessel-type beams generated with spatially phase-shifted axicons
(Proceedings of SPIE - The International Society for Optical Engineering: Laser-based Micro- and Nanoprocessing XV, 6-12 March 2021, California, United States, 2021)During the last decade the zeroth order Bessel-Gauss laser beam has found many uses in the transparent material processing. The high aspect ratio channels can be created that slice through various thin transparent materials ... -
Climate change and behavior patterns of urban residents
(E3S web of conferences. XXIV International scientific conference “Construction the formation of living environment” (FORM-2021), Moscow, Russia, April 22-24, 2021, 2021)The aim of the study is to identify patterns of consumer’s behaviour related to climate change. Research method: sociological survey. The authors conducted sociological surveys among the architecture students of the National ... -
Inscription in the glass of efficient Gauss to top-hat converters based on Pancharatnam-Berry phase by high power femtosecond laser pulses
(Proceedings of SPIE - The International Society for Optical Engineering: Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVI, 6-12 March 2021, California, United States, 2021)Pancharatnam-Berry phase enables various flat special optical elements such as top-hat converters. We present a study on engineering efficient vectorial top-hat converters inscribed in the glass by high-power femtosecond ... -
Standing wave ultrasonic motor oriented toward miniature underwater vehicles
(Proceedings of the 2020 15th Symposium on Piezoelectricity, Acoustic Waves and Device Applications, (SPAWDA), 16-19 April 2021, Zhengzhou, Henan Province, China, 2021)In recent years, with the deepening ocean exploration, autonomous underwater vehicles (AUVs) are in great demand for ocean data collection, marine rescue, underwater communications, environmental monitoring, etc. The ... -
A convex shaped radial-torsional ultrasonic motor with built-in galaxy wave transmission
(Proceedings of the 2020 15th Symposium on Piezoelectricity, Acoustic Waves and Device Applications, (SPAWDA), 16-19 April 2021, Zhengzhou, Henan Province, China, 2021)A plate type standing wave ultrasonic motor which uses built-in galaxy wave transmission mechanism to realize radial-torsional mode conversion is proposed in this paper. Operating principle of the motor is demonstrated, ... -
Security benefits and drawbacks of software-defined networking
(2021 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 22 April 2021, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2021)Security elements of data communication networks such as packet filters, firewalls, intrusion detection and prevention systems are in first line of defense against cyber security threats and various attacks such as DDoS ... -
Electroporation cuvette with integrated electrodes for high gradient electric field generation
(2021 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 22 April 2021, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2021)Electroporation is widely used in various biomedical and biotechnological applications, while homogeneous electric fields are usually required for successful treatment. In this work, a model of electroporation cuvette with ... -
Detecting wake-word repeats in voice-activated systems
(2021 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 22 April 2021, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2021)In this paper we propose a practical method to improve the false rejection rate of a voice-activated system. The users of such systems tend to repeat the activation word in the case of the false rejection. In our method ... -
OTT video over mobile networks: Operators cost and challenges
(2021 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 22 April 2021, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2021)Increase of video streaming services popularity led it to become the main contributor to LTE network load. Loaded mobile network by 3rd party applications brings cost for Mobile Network Operators to build new base stations ... -
Pretrained word embeddings for image captioning
(2021 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 22 April 2021, Vilnius, Lithuania / organized by: Vilnius Gediminas Technical University, 2021)All modern methods in one way or another related to natural language processing problems use vector representations of words. These can be either representations learned for a specific task or pretrained vector representations ... -
Beam steering with the enhanced semiconductor-based metamaterial hyperprism
(OSA Optical Design and Fabrication 2021 : International Optical Design Conference, 27 June–1 July 2021, Washington, DC, United States, 2021)A semiconductor-based hyperprism structure is presented aiming to seek for the optical switching and beam steering functions. Engineering the doping level of the semiconductor, the beam steering system reaches an adjustable ... -
Image processing as a tool for automatization learning complex physics experiments
(Middle East International Conference on Contemporary Scientific Studies-V : Proceedings book volume – I, March 27-28, 2021, Ankara, Turkey, 2021)The article describes an automated complex system of hybrid educational, physical experiments, in which experiments automated using image processing technologies. The system combines electronics, mechatronics, and hardware ... -
Analysis of frequency characteristics of meander structures with different connecting electrodes
(2020 IEEE 8th Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE), 22-24 April 2021, Vilnius, 2021)Meander structures are often used in microwave devices because of small dimensions and positive features. The features of the meander structures like passband, characteristic impedance, delay time and others could be ... -
Двухслойные пористые керамические материалы для микрофильтрации дисперсных систем
(Сотрудничество - катализатор инновационного роста : сборник материалов 6-го Белорусско-Балтийского форума, Минск, 22–23 декабря 2020 года, 2020)The compositions and technological parameters of obtaining filtering corundum and quartz ceramic materials with functional membrane coatings obtained in the Al2O3–ZnO, Al2O3–Fe2O3, Al2O3–CuO and Al2O3–MnO2 systems were ... -
Experimental investigations of cracking in reinforced concrete beams of different depth
(International RILEM conference on early-age and long-term cracking in RC structures (CRC 2021), 2021)The study carried out at Vilnius Gediminas Technical University (Vilnius Tech) reports test results on cracking of seven RC beams of the rectangular section. The beams were subjected to a short-term loading under a four-point ...