Search results for: LOW-PASS FILTER

• Endometrioid stromal sarcoma, low grade - Female, 74 - Tissue image [6180730013782931]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CORPUS UTERI 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.

• Endometrioid stromal sarcoma, low grade - Female, 74 - Tissue image [6180730013783131]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CORPUS UTERI 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.

• Endometrioid stromal sarcoma, low grade - Female, 74 - Tissue image [6180730013784491]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CORPUS UTERI 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.

• Endometrioid stromal sarcoma, low grade - Female, 74 - Tissue image [6180730013783241]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CORPUS UTERI 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.

• Mucinous cystic neoplasm with low grade dysplasia - Female, 40 - Tissue image [7040247104932011]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Mucinous cystic neoplasm with low grade dysplasia - Female, 40 - Tissue image [6300730028253261]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Mucinous cystic neoplasm with low grade dysplasia - Female, 40 - Tissue image [630073002825231]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Stability Analysis of Shunt Active Power Filter with Predictive Closed-Loop Control of Supply Current

  Publication

  • A. Bielecka
  • D. Wojciechowski

  - ENERGIES - Year 2021

  This paper presents a shunt active power filter connected to the grid via an LCL coupling circuit with implemented closed‐loop control. The proposed control system allows selective harmonic currents compensation up to the 50th harmonic with the utilization of a model‐based predictive current controller. As the system is fully predictive, it provides high effectiveness of the harmonic reduction, which is proved by waveforms achieved...

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• Novel Low-Loss Substrates for 5G Applications

  Publication

  • K. Babicki
  • A. Lamęcki
  • M. Mrozowski
  • M. Baranowski
  • A. Wroblewska
  • M. Zdrojek
  • B. Salski
  • J. Krupka

  - Year 2022

  This paper presents a feasibility study of a new type of microwave low-loss dielectric substrates for 5G network applications. The new substrate materials are composites of polypropylene and high-dielectric-constant micro-ceramics. This combination is expected to form a very low-loss dielectric material at low fabrication cost. Two substrate samples with different dielectric properties are fabricated and their characteristics at...

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• Removal of VOCs from air and assessment of dominant species in a peat-perlite biotrickling filter

  Publication

  • M. Marycz
  • A. Brillowska-Dąbrowska
  • P. Rybarczyk
  • J. Gębicki

  - Year 2019

  Air pollution has become a major concern because it is inevitably connected with the rapid development of both industrial and residential areas. Volatile organic compounds (VOCs) are emitted from various anthropogenic sources e.g. transportation, factories or landfills as well as recycling factories. It is problematic not only because of the direct impact on humans and environment but also from economy viewpoint as it increases...

• An adaptive-noise Augmented Kalman Filter approach for input-state estimation in structural dynamics

  Publication

  • S. Vettori
  • E. Di Lorenzo
  • B. Peeters
  • M. Łuczak
  • E. Chatzi

  - MECHANICAL SYSTEMS AND SIGNAL PROCESSING - Year 2023

  The establishment of a Digital Twin of an operating engineered system can increase the potency of Structural Health Monitoring (SHM) tools, which are then bestowed with enhanced predictive capabilities. This is particularly relevant for wind energy infrastructures, where the definition of remaining useful life is a main driver for assessing the efficacy of these systems. In order to ensure a proper representation of the physical...

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• Low-Cost Method for Effective Conductivity Improvement of Additively Manufactured All-Metal Waveguide Components

  Publication

  • J. Sorocki
  • I. Piekarz
  • M. Baranowski
  • A. Lamęcki
  • A. Cattenone
  • S. Marconi
  • G. Alaimo
  • N. Delmonte
  • L. Silvestri
  • M. Bozzi

  - Year 2024

  — In this paper, a low-cost method of 3D printed allmetal waveguide effective conductivity improvement is proposed and studied. The approach is a combination of internal surface polishing to reduce the roughness followed by coating a highconductivity layer through electroplating. Both methods allow to reduce total power losses within the waveguide which are impacted by the conductivity of the metal. A set of mm-wave test vehicles...

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• Voltage Conditions in Low Voltage Grid with Connected Mictogeneration

  Publication

  • R. Kowalak

  - Acta Energetica - Year 2017

  The introduction of distributed generation into a low voltage grid may cause voltage problems in it. The paper discusses the effect of microgeneration on voltage levels in a low voltage grid. A real low voltage grid of considerable length was selected for the analysis. The grid primarily supplies residential buildings in a rural area. Results of tests that consider potential measures which could be applied in this grid to improve...

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• Quadratic programming approach to coupled resonator filter cad

  Publication

  • P. Kozakowski
  • M. Mrozowski

  - IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES - Year 2006

  Artykuł prezentuje technikę komputerowego wspomagania procesu projektowania filtrów zbliżeniowych. Polega ona na sformułowaniu macierzy sprzężeń jako problemu programowania kwadratowego (QP). Dzięki zdefiniowaniu procedury optymalizacyjnej jako problemu QP, przy założeniu liniowej zależności współczynników sprzężeń od wymiarów geometrycznych struktury, uzyskano znaczącą redukcję liczby pełnofalowych symulacji prowadzących do uzyskania...

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• Predictive control system of the shunt active power filter

  Publication

  • M. Wojciechowski
  • R. Strzelecki
  • G. Benysek

  - Year 2008

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• New control system of the shunt active power filter

  Publication

  • R. Strzelecki
  • M. Wojciechowski

  - Year 2008

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• A complex variable fractional-delay FIR filter structure

  Publication

  • E. Hermanowicz
  • H. Johansson

  - IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS - Year 2007

  W artykule wprowadzamy strukturę zespolonego filtru o skończonej odpowiedzi impulsowej (ang. finite impulse response - FIR) ze zmiennym opóźnieniem ułamkowym (ang. fractional delay - FD). Strukturę tę otrzymujemy na podstawie przestrajanego filtru FD FIR o współczynnikach rzeczywistych. Stanowi ona połączenie zbioru liniowo-fazowych filtrów FIR o współczynnikach stałych rzeczywistych i dwóch łańcuchów mnożąco-akumulujących, zawierających...

• Fractional Delay Filter Design for Sample Rate Conversion

  Publication

  • M. Blok

  - Year 2012

  Rosnąca liczba różnych standardów szybkości próbkowania stwarza potrzebę stosowania algorytmów konwersji szybkości próbkowania ciągów dyskretnych. Jeżeli współczynnik przepróbkowania nie jest wyrażony jako stosunek małych liczb całkowitych albo gdy nie jest on stały, to rozwiązaniem może być użycie filtrów ułamkowoopóźniających. Umożliwiają one realizację przepróbkowania z dowolną krotnością. Dokładność przepróbkowania algorytmów...

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• Fractional Delay Filter Design with Extracted Window Offsetting

  Publication

  • M. Blok

  - Year 2012

  W pracy przedstawiono koncepcję projektowania filtrów ułamkowoopóźniających (FD) bazującą na metodzie okien. W zaproponowanym podejściu w projektowaniu jest używane okno wyodrębnione z odpowiedzi impulsowej filtru optymalnego offsetowanego o opóźnienie ułamkowe projektowanego filtru. Poszczególne filtry FD zaprojektowany w ten sposób nie są optymalnymi filtrami FD, jednak oferują lepszą jakość w zastosowaniu do zmiany szybkości...

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• Cullet As Filter Medium For Swimming Pool Water Treatment

  Publication

  • A. Grabowiec
  • A. Małachowska
  • A. Hänel
  • M. Niewiadomski
  • J. Hupka

  - Physicochemical Problems of Mineral Processing - Year 2012

  Kontrola jakości wody w basenach kąpielowych może być prowadzona poprzez oczyszczanie wody z uwzględnieniem filtracji i dodawaniemśrodków dezynfekcyjnych. Zanieczyszczenia wody nie zawsze mogą byćskutecznie usuwane przy stosowaniu konwencjonalnych metod uzdatnianiawody. W doświadczeniu zbadano osady powstałe na złożu piaskowym,stwierdzono nieefektywną pracę filtrów piaskowych. Porównano dwazłoża filtracyjne: piasek kwarcowy i...

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• Generalized adaptive notch filter with a self-optimization capability

  Publication

  • M. Niedźwiecki
  • P. A. Kaczmarek

  - IEEE TRANSACTIONS ON SIGNAL PROCESSING - Year 2006

  W pracy przedstawiono samonastrajalny wariant tzw. uogólnionego adaptacyjnego filtru wycinającego. Automatycznym strojeniem objęte są dwa współczynniki wzmocnienia adaptacji, odpowiedzialne za śledzenie amplitud i częstotliwości parametrów identyfikowanego obiektu.

• COLLOIDS IN SEPTIC TANK EFFLUENT AND THEIR INFLUENCE ON FILTER PERMEABILITY

  Publication

  • M. Spychała
  • J. NIEĆ
  • N. Walczak
  • A. Marciniak

  - Journal of Ecological Engineering - Year 2015

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• Gradient adaptive lattice filter in FPGAS-implementation issues

  Publication

  • B. Szlachetko
  • A. Lewandowski

  - Year 2008

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• Tunable Waveguide Filter with Bow-Tie Metallic Posts.

  Publication

  • R. Lech
  • J. Mazur

  - Year 2004

  Badanie i synteza filtru falowodowego zawiewrającego metalowe rezonatory motylkowe (Bow-Tie). Wykorzystano zmodyfikowaną procedurę iteracyjną i metodę dopasowania rodzajów w celu rozwiązania problemu brzegowego na pojedynczej sekcji filtru i określenie pola rozproszonego od rezonatora motylkowego. Obrót i przemieszczenie opisywane struktury w złączu falowodowym umożliwia zmianę odpowiedzi częstotliwościowych układu. Efekt rotacji...

• Design of the LLC Filter for AC Grid-Based Converter

  Publication

  • A. M. Soomar
  • P. Musznicki

  - Year 2024

  This paper emphasizes reducing harmonic distortion in the electrical current delivered by photovoltaic (PV) inverters to the power grid. It highlights the issue of significant harmonic components present in the output voltage of inverters, which is attributed to pulse width modulation (PWM) switching techniques. This necessitates the deployment of LCL filters as a strategic approach to limit current harmonics effectively. Additionally,...

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• Control of Sensorless Electric Drive with Inverter Output Filter

  Publication

  • M. Adamowicz
  • J. Guziński

  - Year 2005

  W artykule przedstawiono układ sterowanie silnikiem asynchronicznym pracyjący bez pomiaru prędkości obrotowej. Zastosowano nowy rodzaj obserwatora prędkości obrotowej będący połączeniem liniowego obserwatora oraz obserwatora zakłóceń. Jako zakłócenia potraktowano siłę elektromotoryczną indukowaną w silniku. Aby umożliwić poprawną pracę układu z filtrem wyjściowym falownika zastosowano symulator dynamiki filtru do wyznaczenia prądów...

• Low grade serous carcinoma - Female, 58 - Tissue image [10010729534339021]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This 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.

• Low grade serous carcinoma - Female, 58 - Tissue image [10010729534326341]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This 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.

• The use of low-coherence interferometer for sugar content determination

  Publication

  • M. Szczerska

  - Year 2015

  In this article, the implementation of low-coherence interferometer with signal processing in time domain for sugar content determination in aqueous solution is presented. The elaborated measurement set-up was tested with the use of synthesized source made of two low-coherence sources. The use of two sources with dedicated parameters enabled to obtain a proper metrological parameters of the measurement system. The elaborated low-coherence...

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• Multilocular cystic renal neoplasm of low malignant potential - Male, 42 - Tissue image [617073002674451]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of KIDNEY 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.

• Multilocular cystic renal neoplasm of low malignant potential - Male, 42 - Tissue image [6170730026749991]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of KIDNEY 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.

• Multilocular cystic renal neoplasm of low malignant potential - Male, 42 - Tissue image [6170730026743851]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of KIDNEY 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.

• Multilocular cystic renal neoplasm of low malignant potential - Male, 42 - Tissue image [6170730026745981]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of KIDNEY 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.

• Evaluation of Low Temperature Properties of Rubberized Asphalt Mixtures

  Publication

  • M. Pszczoła
  • M. Jaczewski
  • C. Szydłowski
  • J. Judycki
  • B. Dołżycki

  - Procedia Engineering - Year 2017

  The paper presents low-temperature test results of asphalt mixtures designed with use of bitumen modified by crumb rubber and also SBS polymer. Laboratory tests were conducted on two types of asphalt mixtures for wearing course – stone matrix asphalt (SMA 8) and porous asphalt (PA 8). This paper presents results of the following laboratory tests at low temperatures: TSRST test, three point bending creep test, fracture toughness...

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• Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [3300730069458321]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [11020630022694071]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [11020630022693501]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [11020630022699761]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [11020630022694241]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [3300730069455341]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [11020630022696911]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [11020630022694651]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [11020630022693991]

  Open Research Data

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of PANCREAS 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.

• Simultaneous Removal of Hexane and Ethanol from Air in a Biotrickling Filter—Process Performance and Monitoring Using Electronic Nose

  Publication

  • P. Rybarczyk
  • B. Szulczyński
  • J. Gębicki

  - Sustainability - Year 2020

  Biofiltration is a well-accepted method for the removal of malodorous compounds from air streams. Interestingly, the mechanisms underlying this process are not fully understood. The aim of this paper was to investigate the simultaneous removal of hydrophobic hexane with hydrophilic ethanol, resulting in the enhanced removal of hexane in the presence of ethanol. Investigations were performed in a peat-perlite packed biotrickling...

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• Polynomial windows with low sidelobes’ level

  Publication

  • K. P. Okarma

  - SIGNAL PROCESSING - Year 2007

  Some of the main advantages of polynomial windows are their low computational complexity and ability to easily change their frequency response modifying the values of their coefficients in the time domain. Kulkarni presented the coefficients obtained for such windows with fastest possible decaying sidelobes...

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• Implementation of Extended Kalman Filter with Optimized Execution Time for Sensorless Control of a PMSM Using ARM Cortex-M3 Microcontroller

  Publication

  • J. Dilys
  • V. Stankevič
  • K. Łuksza

  - ENERGIES - Year 2021

  This paper addresses the implementation and optimization of an Extended Kalman Filter (EKF) for the Permanent Magnet Synchronous Motor (PMSM) sensorless control using an ARM Cortex-M3 microcontroller. A various optimization levels based on arithmetic calculation reduction was implemented in ARM Cortex-M3 microcontroller. The execution time of EKF estimator was reduced from 260.4 μs to 37.7 μs without loss of accuracy. To further...

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• Effects of n-butanol presence, inlet loading, empty bed residence time and starvation periods on the performance of a biotrickling filter removing cyclohexane vapors from air

  Publication

  • P. Rybarczyk
  • B. Szulczyński
  • M. Marycz
  • J. Gębicki

  - CHEMICAL PAPERS - Year 2019

  This paper presents the results of investigations on the removal of cyclohexane vapors from air using a peat-perlite packed biotrickling filter. Effects of basic process parameters i.e. IL (inlet loading) and EBRT (empty bed residence time) as well as introduction of n-butanol to the treated air stream and starvation periods on the process performance were evaluated. The results show that the introduction of hydrophilic n-butanol...

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• Low-energy interactions related to atmospheric and extreme conditions

  Publication

  • S. Ptasinska
  • M. Śmiałek-Telega
  • A. Milosavljević
  • B. Sivaraman

  - EUROPEAN PHYSICAL JOURNAL D - Year 2017

  This Topical Issue, entitled “Low-Energy Interactions Related to Atmospheric and Extreme Conditions”, showcases a collection of eighteen articles that reported recent theoretical and experimental findings pertaining to the following topics: – low-energy interactions of charged particles (electrons [1–7], protons [8], positrons [9]), and photons [10] with atoms and molecules of biological [1–4,7,8], astrochemical [10], industrial,...

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• Multipulse inverter structures with low voltage distortion

  Publication

  • R. Strzelecki
  • T. Sak
  • L. Roslaniec
  • J. Mucko

  - Year 2016

  A novel approach to the voltage source inverters (VSI) construction is presented in the paper. The invented inverter structures allow to operate several DC/AC converters in parallel resulting in lower voltage distortions at extremely low switching frequency. The research presented in the paper describes such a parallel operation of the VSI’s which is possible thanks to the use of coupled inductors. The eighteen-pulse three-level...

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• International Journal of Low-Carbon Technologies

  Journals

  ISSN: 1748-1317 , eISSN: 1748-1325