Search
Filters
total: 1583
filtered: 1138
-
Catalog
- Publications 1138 available results
- Journals 44 available results
- Publishing Houses 5 available results
- People 93 available results
- Inventions 4 available results
- Projects 33 available results
- Laboratories 4 available results
- Research Teams 1 available results
- Research Equipment 1 available results
- e-Learning Courses 159 available results
- Events 69 available results
- Open Research Data 32 available results
Chosen catalog filters
displaying 1000 best results Help
Search results for: PLATFORMA EDUKACYJNA
-
High-Precision FIR-Model-Based Dynamic Weighing System
PublicationConveyor belt-type checkweighers are increasingly popular components of modern production lines. They are used to assess the weight of the produced items in motion, i.e., without stopping them on the weighing platform. The main challenge one faces when designing a dynamic weighing system is providing high measurement accuracy, especially at high conveyor belt speeds. The approach proposed in this paper can be characterized as a...
-
Berkeley Open Infrastructure for Network Computing
PublicationZaprezentowano system BOINC (ang. Berkeley Open Infrastructure for Network Computing) jako interesujące rozwiązanie integrujące rozproszone moce obliczeniowe osobistych komputerów typu PC w Internecie. Przedstawiono zasadę działania opisywanej platformy. W dalszej części zaprezentowano kilka wybranych projektów naukowych wykorzystujących BOINC, które są reprezentatywne w zakresie zastosowania systemu w ujęciu założonego paradygmatu...
-
Wykorzystanie systemów LMS w nauczaniu projektowania architektonicznego na przykładzie kursu ''TRANS_FORM : (R)ewolucja form we współczesnej architekturze''.
PublicationReferat przedstawia aspekt e-learningu na przykładzie kursu zatytułowanego ''TRANS_FORM. (R)ewolucja form we współczesnej architekturze''. Kurs ten prowadzony był na Wydziale Architektury Politechniki Gdańskiej w semestrze letnim 2004/2005, w ramach przedmiotu obieralnego, pod kierunkiem prof. Jacka Krenza. Tematyka podejmowała zagadnienie podejścia topologicznego we współczesnym projektowaniu architektonicznym i w dużym zakresie...
-
Prototype of a low-cost luxmeter with wide measuring range designed for railway stations dynamic lighting systems
PublicationThe paper presents the development of a low-cost luxmeter designed for usage in automatic applications for continual (long-term) measurement of illuminance. The measured information is used to adjust the level of lighting systems of artificial lighting on railways (platforms, marshalling yard, tracks etc.). The reason of this measuring device is a requirement for massive deployment of dimmable lighting systems for railways, in...
-
Probe signal processing for channel estimation in underwater acoustic communication system
PublicationUnderwater acoustic communication channels are characterized by a large variety of propagation conditions. Designing a reliable communication system requires knowledge of the transmission parameters of the channel, namely multipath delay spread, Doppler spread, coherence time, and coherence bandwidth. However, the possibilities of its estimation in a realtime underwater communication system are limited, mainly due to the computational...
-
Approximation of Fractional Order Dynamic Systems Using Elman, GRU and LSTM Neural Networks
PublicationIn the paper, authors explore the possibility of using the recurrent neural networks (RNN) - Elman, GRU and LSTM - for an approximation of the solution of the fractional-orders differential equations. The RNN network parameters are estimated via optimisation with the second order L-BFGS algorithm. It is done based on data from four systems: simple first and second fractional order LTI systems, a system of fractional-order point...
-
Performance evaluation of the parallel object tracking algorithm employing the particle filter
PublicationAn algorithm based on particle filters is employed to track moving objects in video streams from fixed and non-fixed cameras. Particle weighting is based on color histograms computed in the iHLS color space. Particle computations are parallelized with CUDA framework. The algorithm was tested on various GPU devices: a desktop GPU card, a mobile chipset and two embedded GPU platforms. The processing speed depending on the number...
-
Wiedza na temat zaburzeń ze spektrum autyzmu i opinie dotyczące edukacji włączającej dzieci z tymi zaburzeniami u nauczycieli szkół podstawowych oraz studentów kierunków nauczycielskich
PublicationBadanie dotyczyło poziomu wiedzy na temat zaburzeń ze spektrum autyzmu (autism spectrum disorders, ASD) oraz opinii dotyczących kształcenia inkluzyjnego dzieci z tymi zaburzeniami u studentów kierunków nauczycielskich (N = 70) i aktywnych zawodowo nauczycieli ogólnodostępnych szkół podstawowych (N = 70). Poziom wiedzy o ASD oraz opinie na temat inkluzji mierzono dwoma opracowanymi na potrzeby badania kwestionariuszami. Ogólny...
-
Łączenie urządzeń wyposażonych w interfejs szeregowy RS-232 z siecią komputerową w oparciu o mikromoduł MMnet02
PublicationW artykule przedstawiono strukturę opracowanego i wykonanego układu opartego na platformie mikroserwera MMnet02, który umożliwia nadrzędne sterownie urządzeniami komunikującymi się poprzez interfejs szeregowy RS-232. Jako przykład urządzenia wykorzystanego do sterowania za pośrednictwem sieci komputerowej wykorzystano regulator pogodowy firmy Danfoss, który udostępnia odczyt i możliwość zmiany wybranych parametrów regulacji poprzez...
-
Tracing of dynamic objects in distributed interactive simulation systems
PublicationDistributed interactive simulation systems require integration of several areas of computer science and applied mathematics to enable each individual simulation object to visualize effectively dynamic states of other objects. Objects are unpredictable,i.e., controlled by their local operators, and are remote, i.e., must rely on some transmission media to visualize dynamic scene from their local perspectives. The paper...
-
An Innovative Floating System with a Savonius Rotor as a Horizontal-Axis Wind Turbine
PublicationIn this project, an innovative wind turbine was designed for a floating plant. A large Savonius rotor was replaced with a double-rotor wind turbine implemented as a horizontal-axis turbine. This double rotor was positioned on the tip of a thrust plate and fixed to the deck of a catamaran. Simple 2D numerical simulations were performed to confirm the effectiveness of the concept. An analysis of the floating system configuration...
-
Influence of the jitter buffer on the quality of service VoIP.
PublicationVoIP (Voice over IP) is a modern service with enormous potential for yet further growth. It uses the already available and universally implemented IP transport platform. One significant problem, however, is ensuring the Quality of Service, abbreviated QoS. This paper addresses exactly that issue. In an extensive investigation the influence of jitter buffers on QoS is being examined in depth. Two implementations, namely a passive...
-
Oxygen biosensor based on carbon nanotubes directly grown on graphitic substrate
PublicationFilms of carbon nanotubes were synthesized on the graphitic substrates by CVD method in the presence of catalyst. Two different catalysts were used, that is nickel and iron, supported on graphitic substrates. The as-obtained nanotubes were analyzed by SEM imaging with EDX and Raman spectroscopy. The results revealed their multi-walled morphology. Free radical reaction was carried out in order to chemically functionalize synthesized...
-
Visual Data Encryption for Privacy Enhancement in Surveillance Systems
PublicationIn this paper a methodology for employing reversible visual encryption of data is proposed. The developed algorithms are focused on privacy enhancement in distributed surveillance architectures. First, motivation of the study performed and a short review of preexisting methods of privacy enhancement are presented. The algorithmic background, system architecture along with a solution for anonymization of sensitive regions of interest...
-
Toward knowledge-grid model for academic purposes
PublicationNowadays we face a huge amount of data and information sharing on the Web by different users worldwide. For example, the academic environment is one of such places where teachers share and manage knowledge for groups of students. This paper proposes a multi-dimensional knowledge space model, designed to distribute and manage knowledge resources efficiently. We view our model as a foundation of a knowledge grid platform. Two crucial...
-
Septic safe interactions with smart glasses in health care
PublicationIn this paper, septic safe methods of interaction with smart glasses, due to the health care environment applications consideration, are presented. The main focus is on capabilities of an optical, proximity-based gesture sensor and eye-tracker input systems. The design of both interfaces is being adapted to the open smart glasses platform that is being developed under the eGlasses project. Preliminary results obtained from the...
-
Optical glyphs based localization and identification system
PublicationThe paper presents a description of functioning of a platform supporting the detection of obstructive diseases in the respiratory system education process. A 16-parameter model of the respiratory system simulated in the MATLAB/Simulink environment was set in the role of the tested patient. It has been linked to the control layer, developed in the LabVIEW environment, using the SIT library (Simulation Interface Toolkit). This layer...
-
An application supporting the educational process of the respiratory system obstructive diseases detection
PublicationThe paper presents a description of functioning of a platform supporting the detection of obstructive diseases in the respiratory system education process. A 16-parameter model of the respiratory system simulated in the MATLAB/Simulink environment was set in the role of the tested patient. It has been linked to the control layer, developed in the LabVIEW environment, using the SIT library (Simulation Interface Toolkit). This layer...
-
Automated anonymization of sensitive data on production unit
PublicationThe article presents an approach to data anonymization with the use of generally available tools. The focus is put on the practical aspects of using open-source tools in conjunction with programming libraries provided by suppliers of industrial control systems. This universal approach shows the possibilities of using various operating systems as a platform for process data anonymization. An additional advantage of the described...
-
EMG and gaze based interaction with graphic interface of smart glasses application
PublicationIn this paper we investigate the effectiveness of the interaction using eye tracking and electromyography. Smart glasses requires reliable interfaces for controlling the graphic content displayed directly in front of the user's eye. Presented research is related with the eGlasses project, which is focused on the development of an open platform in the form of multisensory electronic glasses and related interaction methods. One of...
-
Determining QoS in the Video Telephony Service in an IP Environment
PublicationIP networks are indispensable nowadays. They are among the most efficient platforms. The constantly growing number of users and new services in these networks - the largest being the Internet - requires a good quality of any application used.Determining the QoS in real-time services is particularly important. This work is dedicated to exactly this aspect of the real-time service Video Telephony over IP (VToIP). First, the ITU-T...
-
Disturbances of Earth magnetic field caused by eddy currents of airplane
PublicationThe uniform magnetic field of the Earth in the surrounding of a mobile, metallic object undergoes deformation by eddy currents. The influence of the moving, conducting object on the Earth's total magnetic field depends on the object's shape, position and speed of the changes relative to the magnetic field vector of the Earth, as well as the electric conductivity and the relative magnetic permeability of the material. Disturbances...
-
Detection of ferromagnetic objects in local magnetic anomaly of the Baltic Sea
PublicationIn geological researches several kinds of methods are applied to discovering the natural resources. Planes, helicopters and UAVs (UnmAnned Vehicle) are used in researches in large areas. The gravity, electromagnetic and magnetic methods, which are used in geological researches, are presented in this paper. The special attention was paid to magnetic systems installed on mobile platforms. The magnetic field of the Earth obtained...
-
Wykorzystanie uczelnianej infrastruktury telekomunikacyjnej i informatycznej do realizacji sieci następnej generacji
PublicationW pracy przedstawiono możliwości wykorzystania uczelnianych infrastruktur telekomunikacyjnych i informatycznych dla konwergencji technologii, usług i sieci. Scharakteryzowano etapy i wariantowość rozwiązań dla osiągnięcia stanu pełnej konwergencji. Przedstawione rozwiązania i koncepcje poparte są wynikami prac uzyskanymi w ramach grantu rozwojowego realizowanego na Wydziale ETI Politechniki Gdańskiej (R0205103). W ramach grantu...
-
Metodologia tworzenia szczegółowych scenariuszy dla oceny współpracy sygnalizacji w sieciach ISDN i IP
PublicationTworzenie wspólnej platformy dla świadczenia usług w globalnej infrastrukturze sieci telekomunikacyjnej w sytuacji, gdy użytkownicy dołączeni są do sieci o różnych technologiach wymaga zapewnienia możliwości dwukierunkowego przetwarzania informacji użytkowników oraz zapewnienia możliwości przekazywania między sieciami informacji niezbędnych dla realizacji usług w każdej ze współpracujących sieci. W referacie przedstawiono trzyetapową...
-
Examining Acoustic Emission of Engineered Ultrasound Loudspeakers
PublicationMeasurement results of the sound emitted from an ultrasound custom-made system with high spatial directivity are presented. The proposed system is using modulated ultrasound waves which demodulate in nonlinear medium resulting in audible sound. The system is aimed at enhancing the users’ personal audio space, therefore the measurements are performed using the Head and Torso Simulator which provides the realistic reproduction of...
-
Political Parties in the Digital World
PublicationThe aim of this report is to outline how digital technologies and digital media are redefining the way political parties fulfill their role as collective platforms for political participation of citizens, e.g. in relation to the parties’ decision-making processes, communication strategies, funding mechanisms, membership, information sharing, etc. and to highlight the existing international standards and good practices in this area....
-
Czy społeczna odpowiedzialność uniwersytetu może być bardziej odpowiedzialna? Szanse wynikające z koopetycji uczelni
PublicationWspółczesna uczelnia, prowadząc działalność dydaktyczną i badawczą, pełni ważną rolę wobec społeczeństwa. W opracowaniach naukowych dotyczących problematyki społecznej odpowiedzialności uczelni poruszane są następujące jej aspekty: społeczny, ekonomiczny, środowiskowy i edukacyjny, zarówno na poziomie instytucjonalnym, jak i systemowym. Autorzy artykułu dostrzegli natomiast brak publikacji dotyczących istotnego elementu społecznej...
-
Analiza możliwości zastosowania symulatorów dydaktycznych w systemach nauczania wspomaganego komputerowo zgodnych ze standardem SCORM 2004.
PublicationW związku z gwałtownym wzrostem zainteresowania systemami nauczania komputerowego i ich tempa rozwoju, koniecznym okazało się rozpoczęcie intensywnych prac standaryzacyjnych dotyczących tego rodzaju systemów. Ich owocem jest standard SCORM (Sharable Component Object Model), obejmujący liczne aspekty tworzenia komputerowych systemów edukacyjnych, jak np.: przechowywanie, indeksowanie i wyszukiwanie treści dydaktycznych, obsługa...
-
Zróżnicowanie uczelni a ich społeczna odpowiedzialność. Studium porównawcze stron internetowych uniwersytetów i państwowych szkół zawodowych
PublicationBrak wyraźnej dywersyfikacji misji polskich uczelni powoduje, że niemal wszystkie aspirują do polskiej ‘ligi bluszczowej’, nie mając odpowiednich zasobów kadrowych, aparaturowych i finansowych. Jednym z celów reformy szkolnictwa wyższego wprowadzanej od 1 października 2018 r. jest większe zróżnicowanie uczelni. Ważnym elementem misji każdej uczelni jest, zdaniem autorów artykułu, jej społeczna odpowiedzialność, o której pojawiło...
-
New approach to urban housing - Report of ISOCARP Young Planning Professionals Workshop, Gdynia School of Urbanizm, Aesop Urban Summer School
PublicationThe workshop was organized along with the INTERNATIONAL CONFERENCE LIVING IN THE CITY – PROBLEMS AND CHALLENGES OF SHAPING HOUSING POLICY which is hosted by the City of Gdynia Poland. It was conducted in frame of Young Planning Professionals Program and 7th AESOP uropean Urban Summer School but also as the new type of the activity for the Young Planners “Gdynia School of...
-
Three-dimensional Web Geographic Information System using web-based technologies
PublicationWeb-based Geographic Information Systems offer a way of delivering geographic information to devices with small computational power, such as smartphones. In recent years, the rapid development of the Web Graphics Library (WebGL) made it possible to create rich interactive applications running inside a web browser and displaying three-dimensional objects using hardware acceleration. This paper presents a three-dimensional Web-GIS...
-
Interactions with recognized objects
PublicationImplicit interaction combined with object recognition techniques opens a new possibility for gathering data and analyzing user behavior for activity and context recognition. The electronic eyewear platform, eGlasses, is being developed, as an integrated and autonomous system to provide interactions with smart environment. In this paper we present a method for the interactions with the recognized objects that can be used for electronic...
-
Video Analytics-Based Algorithm for Monitoring Egress from Buildings
PublicationA concept and practical implementation of the algorithm for detecting of potentially dangerous situations of crowding in passages is presented. An example of such situation is a crush which may be caused by obstructed pedestrian pathway. Surveillance video camera signal analysis performed on line is employed in order to detect hold-ups near bottlenecks like doorways or staircases. The details of implemented algorithm which uses...
-
Intelligent Autonomous Robot Supporting Small Pets in Domestic Environment
PublicationIn this contribution, we present preliminary results of the student project aimed at the development of an intelligent autonomous robot supporting small pets in a domestic environment. The main task of this robot is to protect a freely moving small pets against accidental stepping on them by home residents. For this purpose, we have developed the mobile robot which follows a pet and makes an alarm signal when a human is approaching....
-
DMI measurements impact on a position estimation with lack of GNSS signals during Mobile Mapping
PublicationNowadays, Mobile Laser Scanning is common in use in addition to geodesy measurements. The data which are provided by the system characterizes with high precision and flexibility. To precise mapping, the accuracy of the data should be maintained. In Poland, according to the minister’s dispositions, the accuracy of the data should not exceeded 10 cm. With fully operated system it is easy to uphold, but there is a situation when a...
-
Monitoring system of the road embankment
PublicationThe paper presents the monitoring system of the embankment supported on concrete columns and overlaid by a load transfer platform (LTP) with the embedded steel grid. This field investigation was to study the complex inter-action between the columns, the LTP layer, and steel reinforcement via full-scale in situ measurements during erection of the embankment. The study was focused on the behaviour of steel reinforcement and the behaviour...
-
High-Speed Serial Embedded Deterministic Test for System-on-Chip Designs
PublicationThe paper presents a high-speed serial interface between external tester and Embedded Deterministic Test (EDT) compression logic hosted by SoC designs. With only a single bidirectional link, the system is capable of feeding distributed heterogeneous cores with hundreds of test channels. Moreover, it synergistically supports EDT bandwidth management to improve the overall test performance. A detailed study indicates a high potential...
-
The paradigm change of flexible production systems desing
PublicationNiniejszy artykuł pokazuje zmiany paradygmatu projektowania i eksploatacji elastycznych systemów produkcyjnych, na przykładzie różnych modeli systemów nowej generacji NGMS (Next Generation Manufacturing System). Dokonano analizy porównawczej wybranych rozwiązań w przedmiotowym obszarze, formułując prognozy rozwojowe w oparciu o zaproponowane megatrendy rozwojowe: miniaturyzacji, sieciowości (networking), mobilności, i wirtualizacji....
-
Zdefiniowany programowo modem krótkofalowy dla potrzeb radiokomunikacji morskiej
PublicationW artykule przedstawiono koncepcję modemu do transmisji danych w paśmie krótkofalowym dla potrzeb radiokomunikacji morskiej, do realizacji którego wykorzystana została technologia radia zdefiniowanego programowo SDR (Software Defined Radio). W pierwszej części tego referatu zaprezentowano wyniki badań uzyskane na podstawie opracowanego programowego symulatora takiego urządzenia. W dalszej części przedstawiono platformę sprzętową...
-
Exploring music listening patterns: an online survey
PublicationAn online survey was carried out to explore how respondents listen to music recordings. It was anticipated that the listener’s preferences would be influenced by various factors, such as age, music genre, the contexts in which they listen, and their favored methods of music consumption. Consequently, the data were collected to analyze these relationships. The survey, structured as a web application, encompassed 23 questions,...
-
Measurements and Simulations of Engineered Ultrasound Loudspeakers
PublicationSimulation and measurement results of the sound emitted from an ultrasound custom-made system with high spatial directivity are presented. The proposed system is using modulated ultrasound waves which demodulate in nonlinear medium resulting in audible sound. The system is aimed at enhancing the users’ personal audio space, therefore the measurements are performed using the Head and Torso Simulator which provides realistic reproduction...
-
Projekt Leonardo da Vinci EMDEL (European Model for Distance Education and Learning) - otwarte szkolenia online.
PublicationW referacie zaprezentowano główne zadania oraz ofertę szkoleniową Centrum Edukacji Niestacjonarnej Politechniki Gdańskiej (CEN PG) w kontekście realizowanych projektów Unii Europejskiej. Przedstawiono projekt Leonardo da Vinci EMDEL - European Model for Distance Education and learning - realizowany przez CEN PG w latach 2001-2005 oraz opisano doświadczenia w zakresie adaptacji i lokalizacji opracowanych przez partnerów projektu...
-
Wykrywanie obiektów ferromagnetycznych w obszarze o dużych lokalnych anomaliach magnetycznych
PublicationZiemskie pole magnetyczne jest równomierne w ograniczonym obszarze. Istnieją na kuli ziemskiej obszary o dużych lokalnych anomaliach magnetycznych. Wykrywanie obiektów ferromagnetycznych z zastosowaniem czujników magnetycznych zainstalowanych na mobilnych platformach (np. śmigłowcach) w obszarze występowania dużych lokalnych anomalii magnetycznych jest w istotny sposób utrudnione. W pracy przedstawiono model matematyczny pola magnetycznego...
-
System numerycznej prognozy pogody oparty na pakiecie WRF EMS
PublicationW artykule przedstawiono zagadnienia dotyczące wykorzystania systemów numerycznego prognozowania pogody przy pomocy oprogramowania wchodzącego w skład pakietu WRF EMS (ang. Weather Research and Forecast Environmental Modeling System). Artykuł opisuje podstawowe równania modelujące procesy w atmosferze oraz architekturę systemu numerycznego prognozowania pogody WRF EMS. Przedstawiono także architekturę prototypu systemu informacji...
-
Using EO satellite data in Safe City and Coastal Zone web-GIS
PublicationThe paper presents a novel design of a web-based Safe City & Coastal Zone GIS (SCCZ-GIS) which integrates data acquired from different remote sensing and geospatial data sources for monitoring the security of the coastal zone, its inhabitants and Critical Infrastructure. The system utilizes several innovative technologies and directly co-operates with different remote sensing data sources and services, like a satellite ground station...
-
Tryton Supercomputer Capabilities for Analysis of Massive Data Streams
PublicationThe recently deployed supercomputer Tryton, located in the Academic Computer Center of Gdansk University of Technology, provides great means for massive parallel processing. Moreover, the status of the Center as one of the main network nodes in the PIONIER network enables the fast and reliable transfer of data produced by miscellaneous devices scattered in the area of the whole country. The typical examples of such data are streams...
-
Acceleration of the DGF-FDTD method on GPU using the CUDA technology
PublicationWe present a parallel implementation of the discrete Green's function formulation of the finite-difference time-domain (DGF-FDTD) method on a graphics processing unit (GPU). The compute unified device architecture (CUDA) parallel computing platform is applied in the developed implementation. For the sake of example, arrays of Yagi-Uda antennas were simulated with the use of DGF-FDTD on GPU. The efficiency of parallel computations...
-
Wroclaw University of Technology Knowledge Repository - project objectives
PublicationKnowledge Repository is a project created in the Library and Scientific Information Centre of Wroclaw University of Technology (WrUT). Its main task will be collecting, sharing, and promoting scientific publications of researchers, postgraduates and students of WrUT. It will be also used for bibliometric analysis and reporting research output of WrUT scientific community.Knowledge Repository will closely cooperate with other databases...
-
Student model representation for pedagogical virtual mentors
PublicationThe paper concerns technological aspects of virtual mentors construction, especially concentrating on the student model representation. The article distinguishes several types of information that is gathered by the pedagogical agents and other educational platforms, including student knowledge model, student progress tracking, interaction process patterns and learner preferences. A set of technologies used for the student model...