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wyświetlamy 1000 najlepszych wyników Pomoc
Wyniki wyszukiwania dla: antygeny rekombinantowe, borelioza, borrelia burgdorferi sensu lato, immunodiagnostyka
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Angle Tracking Observer for Filtering Rotor Position Estimates in Sensorless Electric Drives
PublikacjaSensorless electric drives use measurements of electrical quantities to estimate rotor position and speed. Measurement errors deteriorate the estimation accuracy, thus additional means are necessary to remove high-frequency components from estimated signals. This paper proposes to use an Angle Tracking Observer (ATO) for reducing noise in rotor position estimates, which is related to random errors in the measurements. A simplified,...
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Marek Kowalewski dr
Osoby -
Machine-aided detection of SARS-CoV-2 from complete blood count
PublikacjaThe current gold standard for SARS-CoV-2 detection methods lacks the functionality to perform population screening. Complete blood count (CBC) tests are a cost-effective way to reach a wide range of people – e.g. according to the data of the Central Statistical Office of Poland from 2016, there are 3,000 blood diagnostic laboratories in Poland, and 46% of Polish people have at least one CBC test per year. In our work, we show...
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W dziesiątą rocznicę śmierci profesora Władysława Boguckiego
PublikacjaPrzypomniano najważniejsze fakty życiorysu oraz działalności naukowej, inżynierskiej, publikacyjnej, organizacyjnej i społecznej zmarłego przed 10 laty profesora Władysława Boguckiego.
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Wideband Channel Measurements for Polarised Indoor Off-Body Communications
PublikacjaThis paper presents the initial results of wideband channel measurements for polarised off-body communication at 5.8 GHz, in an indoor environment. Channel Impulse Response measurements were performed simultaneously for two orthogonal polarisations of the wearable antenna, and repeated for vertical and horizontal orientations of the off-body one. Four types of measurement scenarios were considered in order to investigate the influence...
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Uwarunkowania propagacyjne w ultraszerokopasmowej komunikacji typu off-body w środowisku trudnym
PublikacjaW niniejszym referacie przedstawiono analizę uwarunkowań propagacyjnych w ultraszerokopasmowej komunikacji typu off-body w środowisku trudnym pod względem propagacji fal radiowych. Badania przeprowadzono z użyciem mobilnego stanowiska pomiarowego zawierającego węzły sieci WBAN wyposażone w ultraszerokopasmowe moduły radiowe DWM1000 firmy DecaWave. Uzyskane wartości tłumienia systemowego przeanalizowano dla dwóch dynamicznych scenariuszy...
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Path Loss Analysis in Off-Body Channels in Indoor Environment
PublikacjaThis temporary document describes an analysis of path loss in off-body channels in an indoor environment. The influence of body orientation and on-body antenna placement on path loss in off-body communications as well as of different bodies has been investigated. Five static scenarios, six distances between body and antenna and eight body orientations were analysed; moreover, two dynamic scenarios were investigated. The smallest...
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Wideband Off-Body Channel Characteristics with Dynamic User
PublikacjaThis paper presents the preliminary results of a dynamic off-body channel characterisation study, based on wideband measurements at 5.8 GHz in an indoor environment. The Channel Impulse Response (CIR) was measured for a scenario with the user approaching and departing from the off-body antenna. A CIR deconvolution procedure was performed jointly in two polarisations, and the received signal power, Cross-Polarisation Discrimination...
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On the Usefulness of the Generalised Additive Model for Mean Path Loss Estimation in Body Area Networks
PublikacjaIn this article, the usefulness of the Generalised Additive Model for mean path loss estimation in Body Area Networks is investigated. The research concerns a narrow-band indoor off-body network operating at 2.45 GHz, being based on measurements performed with four different users. The mean path loss is modelled as a sum of four components that depend on path length, antenna orientation angle, absolute difference between transmitting...
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Performance Evaluation of GAM in Off-Body Path Loss Modelling for Body Area Networks
PublikacjaThis paper addresses the performance evaluation of an off-body path loss model, based on measurements at 2.45 GHz, which has been developed with the use of the Generalised Additive Model, allowing to model a non-linear dependence on different predictor variables. The model formulates path loss as a function of distance, antennas’ heights, antenna orientation angle and polarisation, results showing that performance is very sensitive...
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Radio Channel Measurements in 868 MHz Off-Body Communications in a Ferry Environment
PublikacjaIn this paper, a characterization of the 868 MHz off-body radio channel in BANs is presented. Measurements were carried out in a ferry environment using a specific set-up. A method for path loss using radio distance measurements (RDMs) was developed. It allows to automate the measurements process and make it independent from the variable speed of a moving person. Based on the observed path loss as a function of distance, the obtained...
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Measurement and Analysis of the Radio Wave Polarisation in Off-Body Communications in Indoor Environment
PublikacjaThe paper describes an analysis of the radio wave polarisation in off-body communications in indoor environment. The measurement stand for polarisation measurements has been shortly described. Five investigated scenarios with different body postures and different antenna placements have been characterize. The vertical and horizontal components of received radio signal have been analysed. The measure used in analysis is a ratio...
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Measurements of Path Loss in Off-Body Channels in Indoor Environments
PublikacjaThe main goal of the paper is to investigate the influence of body orientation and on-body antenna placement on the path loss in off-body communications. In addition, the influence of different bodies is analysed.
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Impact of radio wave polarisation on off-body communications in indoor environments
PublikacjaThis paper describes the measurements and the analysis of the impact of radio wave polarisation on off-body communications in Body Area Networks in indoor environments. Measurements on polarisation impact are briefly described. Five investigated scenarios with different body postures and different antenna placements are characterised. The difference between the vertical and horizontal components of the received radio signal are...
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Badanie i analiza kanału radiowego 868 MHz do komunikacji typu off-body w środowisku promu pasażerskiego
PublikacjaPrzedstawiono badania i analizę kanału radiowego 868 MHz do komunikacji typu off-body w sieciach BAN. Pomiary przeprowadzono w środowisku promu pasażerskiego z wykorzystaniem mobilnego stanowiska pomiarowego. Opracowano metodę pomiaru tłumienia propagacyjnego z wykorzystaniem radiowych pomiarów odległości, które umożliwiają zautomatyzowanie procesu pomiarowego i uniezależnienie go od zmiennej prędkości poruszającej się osoby.
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Myocardial degeneration - Female, 55 - Tissue image [9140730014139071]
Dane BadawczeThis is the histopathological image of HEART, MEDIASTINUM, AND PLEURA tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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PRZE-MIESZKIWANIE [w ramach:] PUSTKA, wystawa zbiorowa
Publikacja„Prze-mieszkiwanie” to praca ukazująca podstawową potrzebę i konieczność zapewnienia sobie przez wszelkie organizmy żywe, w tym w szczególności przez człowieka, bezpiecznej kryjówki w obliczu dojmującego poczucia postpandemicznej pustki i przymusowej izolacji, ale też kulturowego wykorzenienia. Metaforyczne wyobrażenia archetypicznej formy schronienia pokazuje jej adaptowalność do różnorodnych uwarunkowań, gdzie kontekst stanowi...
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Grzegorz Ronowski dr hab. inż.
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Selected aspects of determining the reliability of the pump subsystems with redundancy, used in main engine auxiliary systems
PublikacjaThe rules of classification societies require the use of redundancy in the systems essential for the safety of the ship. Duplication of pumps in the main engine auxiliary systems like cooling water system, lubricating oil system, fuel oil system is a good example here. Therefore, in the author's opinion, some attention should be paid to this issue. Two important questions arise here. Does duplication of pumps in marine systems...
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INTEGRATED FUNCTIONAL SAFETY AND CYBERSECURITY ANALYSIS METHOD FOR SMART MANUFACTURING SYSTEMS
PublikacjaThis article addresses integrated functional safety and cybersecurity analysis with regard to: the generic functional safety standard IEC 61508 and the cyber security standard IEC 62443 concerning an industrial automation and control system (IACS). The objective is to mitigate the vulnerability of information technology (IT) and operational technology (OT) systems, and reduce relevant risks taking into account a set of fundamental...
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Engendering responsibility in architecture students through real planning for a tram depot in Gdańsk
PublikacjaApart from technical competencies, the profession of architect requires specific social competencies: understanding the user’s needs, ability to diagnose social problems, negotiating and understanding the impact of construction investments on society and the environment. The architect plays a significant role in the collective effort to create spatial order. This is why it is important to include these social competencies in the...
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Shared multi-processor scheduling
PublikacjaWe study shared multi-processor scheduling problem where each job can be executed on its private processor and simultaneously on one of many processors shared by all jobs in order to reduce the job’s completion time due to processing time overlap. The total weighted overlap of all jobs is to be maximized. The problem models subcontracting scheduling in supply chains and divisible load scheduling in computing. We show that synchronized...
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The environmental dimension of city dwellers’ quality of life and the city’s social and spatial variability
PublikacjaThe purpose of this paper is to attempt an analysis of the environmental dimension of the quality of life using quantitative surveys conducted among residents of Gdańsk. In the paper, we make reference to the theoretical assumptions ensuing from the concept of a comprehensive and integrated approach to the development of the urban environment, whilst noting the profound impact humans bring to their evaluation of the environmental...
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Polskie doświadczenia w wykorzystywaniu funduszy unijnych
PublikacjaAutor identyfikuje,omawia i analizuje przyczyny niskiej absorpcji srodków unijnych w Polsce w pierwszym okresie finansowania obejmującycm lata 2004-2006.
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Cystadenofibroma, NOS - Female, 57 - Tissue image [10040729541208061]
Dane BadawczeThis is the histopathological image of OVARY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Cystadenofibroma, NOS - Female, 57 - Tissue image [10040729541204611]
Dane BadawczeThis is the histopathological image of OVARY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Cystadenofibroma, NOS - Female, 57 - Tissue image [10040729541207061]
Dane BadawczeThis is the histopathological image of OVARY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Cystadenofibroma, NOS - Female, 57 - Tissue image [10040729541209201]
Dane BadawczeThis is the histopathological image of OVARY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Cystadenofibroma, NOS - Female, 57 - Tissue image [10040729541209651]
Dane BadawczeThis is the histopathological image of OVARY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Bezpośrednie inwestycje zagraniczne w Polsce według kryterium czynnika wytwórczego
PublikacjaW artykule przeanalizowana została struktura bezpośrednich inwestycji zagranicznych (BIZ) w Polsce zgodnie z kryterium czynnika wytwórczego. Okres badań obejmuje lata 1992-2002.
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Zastosowanie trendów przełącznikowych w analizie płac realnych w Polsce
PublikacjaStreszczenie W początkowej części artykułu zostały przedstawione i omówione informacje o poziomie miesięcznych nominalnych płac (WN) oraz indeksie cen dóbr konsumpcyjnych (ICK) w gospodarce polskiej w latach 1995-2015. Następnie opisano poziomy realnych płac (W) wyrażone w cenach roku 2015. Na bazie tych informacji przedstawiono i przedyskutowano zagadnienia dotyczące rocznych przyrostów płac realnych oraz ich rocznych stóp wzrostu....
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SONB Renowacja, digitalizacja oraz udostępnienie online 51 afiszy koncertowych z lat 1979-2013
ProjektyProjekt realizowany w Akademia Muzyczna im. Stanisława Moniuszki w Gdańsku zgodnie z porozumieniem SONB/SP/515552/2021 z dnia 2021-01-27
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Od radiowej techniki nadawczej i odbiorczej do globalnego systemu radiokomunikacji komórkowej UMTS.
PublikacjaW pracy przedstawiono historię rozwoju radiowej techniki nadawczej i odbiorczej na Wydziale Elektroniki, Telekomunikacji i Informatyki PG w ciągu 50 lat istnienia Wydziału. Zostały przedstawione główne osiągnięcia naukowe i dydaktyczne w tej tematyce, którą od lat 50-tych ubiegłego wieku kontynuuje zespół pracowników Katedry Systemów i Urządzeń Radiokomunikacyjnych i który owocuje od kilkunastu lat najbardziej spektakularnymi...
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The Impact of Ergonomic Guiding Principles on the Formation of Modern Monumental Art
PublikacjaCommemoration of historic events is now a commonplace phenomenon both in culture and in academic research. The phenomenon is linked to an increase in the representation of the visualisation of the past in public sphere, which in turn leads to reformulation of monumental art. Modern monuments are often spatial forms consisting both of sculpture installation and bigger constructions. In case of these realisations, the designers,...
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Identification of models and signals robust to occasional outliers
PublikacjaIn this paper estimation algorithms derived in the sense of the least sum of absolute errors are considered for the purpose of identification of models and signals. In particular, off-line and approximate on-line estimation schemes discussed in the work are aimed at both assessing the coefficients of discrete-time stationary models and tracking the evolution of time-variant characteristics of monitored signals. What is interesting,...
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Virtual immersive environments
PublikacjaYet a higher level of active systems may be achieved when users are fully immersed in an interface which is a 3D computer generated virtual world and can interact with surrounding objects of that world as they were in a real one. This is the issue covered by Chapter 7. Interaction in such a world is both multidimensional and multimodal, with the possibility of free movement of the user in any direction and the simultaneous stimulation...
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Zwierzę, które spać nie może. Bezsenność w antropologii filozoficznej Emila Ciorana
PublikacjaThis article examines the role of insomnia in Emil Cioran’s philosophy. Taken as a whole, his work appears to be exceptionally significant both from the point of view of anthropology and illness narrative studies. There has never been any doubt that his life and work are dominated by a sense of ennui, loneliness and estrangement. Yet these themes are merely symptoms of more fundamental problems he grappled with, i.e. the grotesque...
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Identification of models and signals robust to occasional outliers
PublikacjaIn this paper estimation algorithms derived in the sense of the least sum of absolute errors are considered for the purpose of identification of models and signals. In particular, off-line and approximate on-line estimation schemes discussed in the work are aimed at both assessing the coefficients of discrete-time stationary models and tracking the evolution of time-variant characteristics of monitored signals. What is interesting,...
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Homoclinics for singular strong force Lagrangian systems in R^N
PublikacjaWe will be concerned with the existence of homoclinics for second order Hamiltonian systems in R^N (N>2) given by Hamiltonians of the form H(t,q,p)=Φ(p)+V(t,q), where Φ is a G-function in the sense of Trudinger, V is C^2-smooth, periodic in the time variable, has a single well of infinite depth at a point ξ and a unique strict global maximum 0 at the origin. Under a strong force type condition aroud the singular point ξ, we prove...
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Beneficial effects and potential risks of tomato consumption for human health: An overview
PublikacjaTomato and its derived products have a very interesting nutritional value in addition to prominent antioxidant,anti-inflammatory, and anticancer activities. In terms of tomatoes are generally quite safe to eat. However,overall consumption varies from individual to individual. Indeed, either beneficial or harmful effects of plantsor their derived products are closely related to quality, including the presence of biologically active...
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Identification of continuous systems - Practical issues of insensitivity to perturbations
PublikacjaIn this paper the issue of continuous systems estimation, insensitive to certain perturbations, is discussed. Such an approach has rational advantages, especially when robust schemes are used to assist a target system responsible for industrial diagnostics. This requires that estimated model parameters are generated on-line, and their values are reliable and to a great extent accurate. Practical hints are suggested to challenge...
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Identification of Continuous Systems - Practical Issues of Insensitivity to Perturbations
PublikacjaIn this paper the issue of continuous systems estimation, insensitive to certain perturbations, is discussed. Such an approach has rational advantages, especially when robust schemes are used to assist a target system responsible for industrial diagnostics. This requires that estimated model parameters are generated on-line, and their values are reliable and to a great extent accurate. Practical hints are suggested to challenge...
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Full scattering profile of circular optical phantoms mimicking biological tissue
PublikacjaHuman tissue is one of the most complex optical media since it is turbid and nonhomogeneous. In our poster, we suggest a new type of skin phantom and an optical method for sensing physiological tissue condition, basing on the collection of the ejected light at all exit angles, to receive the full scattering profile. Conducted experiments were carried out on an unique set-up for noninvasive encircled measurement. Set-up consisted...
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Consumerism and the Quality of Life
PublikacjaHigh level of consumption, driven by marketing activities, the pleasure and joy of possession and the accumulation of material goods are often associated with prosperity, sense of happiness and fulfilment in life. On a broader scale, economic indicators related to production and consumption are used to define the well-being and quality of life in societies. Unfortunately, the phenomenon of consumerism entails negative social and...
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Evaluation of Professional Demands and Financial Reward Through the Perception of Police Managers
PublikacjaThe aim of the study was to examine the relationship between job demands and salary in the subjective perception of mid-level police managers. An occupational stress model in which effort spent on job demands are not balanced by the received reward, was adopted. The study comprised 51 police officers (4 women). The partial least squares method was used for the analysis, and the SmartPLS 2.0 program was applied. The income and...
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Polish tax reform "Polski Ład" – consequences of introducing changes on the example of selected flat-rate tax forms for micro and small companies
PublikacjaThis article describes aspects related to the introduction of the latest tax reform in Poland. The changes initiated in January 2022, under the name Polski Ład, concern a wide range of tax changes in Poland. Reform, in a broad sense, is a multidimensional government development program, which is primarily aimed at getting out of the crisis caused by the COVID-19 pandemic and a smooth transition to financing strategic goals in investment...
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Secondary malignant neoplasm of brain and cerebral meninges - Female, 55 - Tissue image [9140730014141331]
Dane BadawczeThis is the histopathological image of BRAIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Secondary malignant neoplasm of brain and cerebral meninges - Female, 55 - Tissue image [9140730014141321]
Dane BadawczeThis is the histopathological image of BRAIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Żaneta Polkowska prof. dr hab. inż.
Osoby -
The transformation of Polish foreign trade in European integration process
PublikacjaW artykule analizowane są przemiany handlu zagranicznego Polski w warunkach integracji ze Wspólnotami Europejskimi. Okres analizy obejmuje lata 1980-2003 i 2004 - lipiec 2005.