Search results for: POWER SWING DETECTION

Search results for: POWER SWING DETECTION

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Improving the Performance of a Graphite Foil/Polyaniline Electrode Material by a Thin PEDOT:PSS Layer for Application in Flexible, High Power Supercapacitors
Publication
- Materials - Year 2020
In this study, we present a novel strategy for enhancing polyaniline stability and thus obtaining an electrode material with practical application in supercapacitors. A promising (graphite foil/polyaniline/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) GF/PANI/PEDOT:PSS) electrode material was characterized and used in the construction of a symmetric supercapacitor that provides an outstanding high power density. For this...

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Event-Triggered Communication in Cooperative, Adaptive Model Predictive Control of a Nuclear Power Plant’s Turbo–Generator Set
Publication
- P. Sokolski
- T. A. Rutkowski
- B. Ceran
- D. Złotecka
- D. Horla
- ENERGIES - Year 2023
This paper discusses the issue of optimizing the communication between the components of a cooperating control system formed by a pair of MPC controllers of a nuclear power plant turbine set using online recursive least squares identification. It is proposed to use event-triggered communication, i.e., sending information only at selected time instants, as opposed to the standard approach where communication is triggered by time...

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Toxoplasma gondii Recombinant antigen AMA1: Diagnostic Utility of Protein Fragments for the Detection of IgG and IgM Antibodies
Publication
- B. Ferra
- L. Holec-Gąsior
- J. Gatkowska
- B. Dziadek
- K. Dzitko
- Pathogens - Year 2020
Toxoplasma gondii is an important zoonotic protozoan that infects a wide variety of vertebrates as intermediate hosts. For this reason, the diagnosis of this disease is very important and requires continuous improvement. One possibility is to use recombinant antigens in serological tests. Apical membrane antigen 1 (AMA1), a protein located in specific secretory organelles (micronemes) of T. gondii, is very interesting in regard...

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MICROSEISMIC EVENT DETECTION USING DIFFERENT ALGORITHMS ON REAL DATA FROM PATCH ARRAY GEOPHONE GRID FROM EASTERN POMERANIA FRACTURING JOB
Publication
- Year 2017
The microseismic monitoring is a method of monitoring of fracture propagation during hydraulic fracturing process. Hydraulic fracturing is a method of reservoir stimulation used especially for unconventional gas recovery. A matrix of several thousand geophones is placed on the surface of earth to record every little tremor of ground induced by fracturing process. Afterwards, the signal is analysed and the place of tremor occurrence...

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Chemiluminogenic acridinium salts: A comparison study. Detection of intermediate entities appearing upon light generation
Publication
- J. Czechowska
- A. Kawecka
- A. Romanowska
- M. Marczak
- P. Wityk
- K. Krzymiński
- B. Zadykowicz
- JOURNAL OF LUMINESCENCE - Year 2017
The nine derivatives of acridine-9-carboxylic acid (CMADs) capable for chemiluminescence (CL), representing various classes of compounds were isolated in a chemically pure state (assessed by RP-HPLC) and identified using high resolution mass spectrometry (ESI-QTOF) and magnetic resonance (1H NMR) techniques. Among them are aryl acridinium esters, containing certainly selected and located substituents in both aromatic systems, an...

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Microcracking monitoring and damage detection of graphene nanoplatelets-cement composites based on acoustic emission technology
Publication
- S. Ashraf
- S. Khan
- V. K. Oad
- Case Studies in Construction Materials - Year 2023
This study aims to identify the micro-cracking pattern and structural applications of cement composites replaced with 0 wt%, 0.04 wt%, and 0.08 wt% contents of graphene nanoplatelets (GNPs) over cement weight through acoustic emission (AE) monitoring under mechanical degradation. The ultraviolet-visible spectroscopy (UV–vis) results showed that at 60 min sonication period, GNP-4 showed maximum absorbance rate of 16.15% compared...

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Optical and structural properties of polycrystalline CVD diamond films grown on fused silica optical fibres pre-treated by high-power sonication seeding
Publication
- R. Bogdanowicz
- M. Śmietana
- M. Gnyba
- Ł. Gołuński
- J. Ryl
- M. Gardas
- APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING - Year 2014
In this paper, the growth of polycrystalline chemical vapour deposition (CVD) diamond thin films on fused silica optical fibres has been investigated. The research results show that the effective substrate seeding process can lower defect nucleation, and it simultaneously increases surface encapsulation. However, the growth process on glass requires high seeding density. The effects of suspension type and ultrasonic power were...

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Effect of nitrogen doping on TiOxNy thin film formation at reactive high-power pulsed magnetron sputtering
Publication
- V. Stranak
- M. Quaas
- R. Bogdanowicz
- S. Hartmut
- Z. Hubicka
- M. Tichy
- R. Hippler
- JOURNAL OF PHYSICS D-APPLIED PHYSICS - Year 2010
The paper is focused on a study of formation of TiOxNy thin films prepared by pulsed magnetron sputtering of metallic Ti target. Oxygen and nitrogen were delivered into the discharge in the form of reactive gases O2 and N2. The films were deposited by high-power impulse magnetron sputtering working with discharge repetition frequency f = 250 Hz at low (p = 0.75 Pa) and high (p = 10 Pa) pressure. The substrates were on floating...

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Scrutiny of power grids by penetrating PV energy in wind farms: a case study of the wind corridor of Jhampir, Pakistan
Publication
- A. M. Soomar
- P. Musznicki
- Frontiers in Energy Research - Year 2023
This study examines the problems caused by intermittent renewable energy sources, especially wind farms, and suggests a different solar energy penetration strategy to improve their loading capacity. The study uses real-time data from a wind farm in Jhampir, Pakistan, to analyse and assess various aspects of grid stations connected to wind farms. Electrical Transient Analyzer Program is used to validate the results by linking...

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Scrutiny of power grids by penetrating PV energy in wind farms: a case study of the wind corridor of Jhampir, Pakistan
Publication
- A. M. Soomar
- L. Guanghua
- S. Shaikh
- S. H. H. Shah
- P. Musznicki
- Frontiers in Energy Research - Year 2023
This study examines the problems caused by intermittent renewable energy sources, especially wind farms, and suggests a different solar energy penetration strategy to improve their loading capacity. The study uses real-time data from a wind farm in Jhampir, Pakistan, to analyse and assess various aspects of grid stations connected to wind farms. Electrical Transient Analyzer Program is used to validate the results by linking these...

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ARTIFICIAL MODEL IN THE ASSESSMENT OF THE ALGORITHM OF OBJECTS RECORDED BY LASER SCANNING SHAPE DETECTION (ALS/TLS)
Publication
- A. Janowski
- P. Nierebiński
- J. Szulwic
- Year 2015
Brief description of the study and used methods. Brief description of the study and used As part of the preparatory work aimed to create the application solution allowing for the automation of searching objects in data, obtained in the scanning process using ALS (Airborne Laser Scanning) or TLS (Terrestrial Laser Scanning), the authors prepared a artificial (synthetic, theoretical) model of space, used for the verification of operation...

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Carbon nanowalls: A new versatile graphene based interface for laser desorption/ionization-mass spectrometry detection of small compounds in real samples.
Publication
- I. Hosu
- M. Sobaszek
- M. Ficek
- R. Bogdanowicz
- H. Drobecq
- L. Boussekey
- A. Barras
- O. Melnyk
- R. Boukherroub
- Y. Coffinier
- NANOSCALE - Year 2017
Carbon nanowalls, vertically aligned graphene nanosheets, attract attention owing to their tunable band-gap, high conductivity, high mechanical robustness, high optical absorbance and other remarkable properties. In this paper, we report for the first time, the use of hydrophobic boron-doped carbon nanowalls (CNWs) for laser desorption/ionization of small compounds and their subsequent detection by mass spectrometry (LDI-MS). The...

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Formaldehyde detection with chemical gas sensors based on WO3 nanowires decorated with metal nanoparticles under dark conditions and UV light irradiation
Publication
- B. Bouchikhi
- T. Chludziński
- T. Saidi
- J. Smulko
- N. E. Bari
- H. Wen
- R. Ionescu
- SENSORS AND ACTUATORS B-CHEMICAL - Year 2020
We report results of formaldehyde gas (CH2O) detection under dark conditions and UV light irradiation with pristine tungsten trioxide nanowires (WO3 NWs) and metal nanoparticles decorated WO3 NWs gas sensing layers. The resistive layers were deposited by one step aerosol assisted chemical vapor deposition (AACVD) on commercial alumina substrates with 10-pair interdigitated platinum electrodes. The elaborated gas sensors, based...

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Application of ion chromatography with pulsed amperometric detection for the determination of trace cyanide in biological samples, including breast milk
Publication
- E. Jaszczak-Wilke
- K. Kozioł
- B. Kiełbratowska
- Ż. Polkowska
- JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES - Year 2019
Cyanide (CN) is the biomarker of exposure to the components of tobacco smoke, although its presence in biological samples is also due to the consumption of products containing cyanogenic glycosides. In this work, we determine the concentration of the free cyanide in urine, saliva and breast milk matrices, using ion chromatography with pulsed amperometric detection (IC-PAD). IC-PAD is an emerging method, with only few documented...

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Influence of reactive oxygen species during deposition of iron oxide films by high power impulse magnetron sputtering.
Publication
- V. Stranak
- Z. Hubicka
- M. Cada
- R. Bogdanowicz
- H. Wulff
- C. Helm
- R. Hippler
- JOURNAL OF PHYSICS D-APPLIED PHYSICS - Year 2018
Iron oxide films were deposited using high power impulse magnetron sputtering (HiPIMS) of an iron cathode in an argon/oxygen gas mixture at different gas pressures (0.5~Pa, 1.5~Pa, and 5.0~Pa). The HiPIMS system was operated at a repetition frequency $f = 100$~Hz with a duty cycle of 1~\%. A main goal is a comparison of film growth during conventional and electron cyclotron wave resonance-assisted HiPIMS. The deposition plasma...

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Rapid ion-exchange matrix removal for a decrease of detection limits in the analysis of salt-rich reservoir waters for fluorobenzoic acids by liquid chromatography coupled with tandem mass spectrometry
Publication
- P. Kubica
- V. Vacchina
- T. Wasilewski
- S. Reynaud
- J. Szpunar
- R. Lobinski
- ANALYTICAL AND BIOANALYTICAL CHEMISTRY - Year 2017
A matrix removal procedure with ion-exchange resin prior to analysis for 18 fluorinated benzoic acids (FBAs) tracers in saline (>25% salt) reservoir water was optimized. The elimination of >98% of salt and the simultaneous matrix sample cleanup allowed the direct analysis using the supernatant by liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS). This resulted in a gain in detection limits for most of the tracers...

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Large area avalanche photodiodes in X-rays and light detection
Publication
- M. Moszynski
- M. Szawlowski
- M. Kapusta
- M. Balcerzyk
- D. Wolski
- M. Balcerzyk
- IEEE TRANSACTIONS ON NUCLEAR SCIENCE - Year 2000
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Large Area Avalanche Photodiodes in X-rays and scintillation detection
Publication
- M. Moszyński
- M. Kapusta
- M. Balcerzyk
- M. Szawlowski
- D. Wolski
- M. Balcerzyk
- NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT - Year 2000
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Comparative study of avalanche photodiodes with different structures in scintillation detection
Publication
- M. Moszynski
- M. Kapusta
- M. Balcerzyk
- M. Szawlowski
- D. Wolski
- I. Wegrzecka
- M. Wegrzecki
- M. Balcerzyk
- IEEE TRANSACTIONS ON NUCLEAR SCIENCE - Year 2001
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Large area avalanche photodiodes in scintillation and X-rays detection
Publication
- M. Moszyński
- M. Szawlowski
- M. Kapusta
- M. Balcerzyk
- M. Balcerzyk
- NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT - Year 2002
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Design Optimization of an Anisotropic Magnetoresistance Sensor for Detection of Magnetic Nanoparticles
Publication
- L. Quynh
- B. Tu
- C. Anh
- N. Duc
- A. Phung
- T. Dung
- D. Giang
- JOURNAL OF ELECTRONIC MATERIALS - Year 2019
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Two-stage method of impulsive noise detection for audio signals
Publication
- K. Cisowski
- Poznan University of Technology Academic Journals. Electrical Engineering - Year 2007
Przedstawiono nowa dwuetapową metodę detekcji zakłóceń impulsowych opartą na analizie funkcji gęstości rozkładu prawdopodobieństwa zakłóconego sygnału. Opisano algorytm określania poziomu wyzwalania detektora progowego.
Detection and compensation of torque harmonics in drive with induction motor and gear
Publication
- A. Lewicki
- J. Guziński
- Maszyny Elektryczne : zeszyty problemowe - Year 2008
Układ mechaniczny przeniesienia napędu jest stosowany w większości elektrycznych układów napędowych. Właściwości przekładni mechanicznej powodują występowanie drgań moemntu w układzie. Analiza tych drgań, mierzonych np. za pomoca akcelerometrów, umozliwia detekcję uszkodzeń przekładni. Z uwiagi na trudności pomiatrowe dąży się jednak do eleminacji układów pomiarowych drgań przez zastąpienie ich metodami obliczeniowymi. Znając...
Ferrocenylated 1,3,5-triphenylbenzenes for the electrochemical detection of various cations or anions
Publication
- A. Kasprzak
- N. Kasprzak
- A. Kowalczyk
- A. Nowicka
- DALTON TRANSACTIONS - Year 2021
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Analysis of false alarm causes in video fire detection systems
Publication
- M. Mazur
- M. Wiśnios
- J. Paś
- Journal of KONBiN - Year 2023
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Ferrocene-pyrene conjugates for detection of various monovalent anions in solution
Publication
- A. Kasprzak
- K. Fateyeva
- A. Kowalczyk
- A. Nowicka
- Analytica Chimica Acta - Year 2020
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ESH statement on detection and punishment of abstract fraud and poster plagiarism
Publication
- S. Kjeldsen
- K. Narkiewicz
- R. Cifková
- G. Mancia
- BLOOD PRESSURE - Year 2005
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ESH statement on detection and punishment of abstract fraud and poster plagiarism
Publication
- S. Kjeldsen
- K. Narkiewicz
- R. Cífková
- G. Mancia
- JOURNAL OF HYPERTENSION - Year 2006
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Current molecular methods for the detection of hepatitis B virus quasispecies
Publication
- M. Rybicka
- P. Stalke
- K. Bielawski
- K. P. Bielawski
- REVIEWS IN MEDICAL VIROLOGY - Year 2016
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Potentiometric detection of organic ionics in separation methods: a critical evaluation
Publication
- L. J. Nagels
- J. Everaert
- H. Bohets
- B. Vissers
- A. Skwierawska
- J. Szczygelska-Tao
- K. Sadowska
- POLISH JOURNAL OF CHEMISTRY - Year 2008
Czujniki potencjometryczne są w tej chwili stosowane głównie w połączeniu ze wstrzykową analizą przepływową. Badano membranowe czujniki potencjometryczne pod względem zastosowania w połączeniu z wysokosprawną chromatografią cieczową i elektroforezą kapilarną. Stosowano anality takie jak środki powierzchniowo czynne i proste leki. Zauważono, że czujniki potencjometryczne dają dobre odpowiedzi na małe i duże jony z ładunkiem wielokrotnym...
Theoretical and Measurement Investigations of DS CDMA Signal Detection Problem
Publication
- R. Katulski
- J. Stefański
- K. Bronk
- A. Czapiewska
- R. Studański
- R. Wąs
- POLISH JOURNAL OF ENVIRONMENTAL STUDIES - Year 2008
Przedstawiono opis teoretyczny wybranej motody wykrywania sygnałów z widmem rozproszonym DS CDMA. Przedstawiono prototypowe stanowisko laboratoryjne do wykrywania sygnałów DS CDMA i zaprezentowano wyniki pomiarowe.
Application of social relation graphs for early detection of transient spammers
Publication
- H. Krawczyk
- R. Brendel
- WSEAS Transactions on Information Science and Applications - Year 2008
Wczesne wykrywanie społecznych zagrożeń i anomalii jest prawdziwym wyzwaniem w dzisiejszch, dynamicznych społeczeństwach. Ludzie tworzą skoplikowane relacje społeczne, które mogą być przedstawione za pomocą różnych typów grafów, których wierzchołki reprezentować mogą aktorów sieci (konkretne osoby lub organizacje) a krawędzie relacje pomiędzy nimi. Analiza tych dynamicznie zmieniających się relacji może wskazywać na niektóre nadciągające...

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Damage detection strategies based on propagation of guided elastic waves
Publication
- A. Żak
- M. Radzieński
- M. Krawczuk
- W. Ostachowicz
- SMART MATERIALS & STRUCTURES - Year 2012
W pracy przedstawiono wyniki symulacji numerycznych oraz badań eksperymentalnych nad wykorzystaniemprowadzonych falsprężystych do wykrywania ilokalizacji uszkodzeń w dwu i trójwymiarowych elementach konstrukcyjnych wykonanych z materiałów izotropowych i kompozytowych.

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The detection of Alternaria solani infection on tomatoes using ensemble learning
Publication
- B. Ruszczak
- K. Smykała
- K. Dziubański
- Journal of Ambient Intelligence and Smart Environments - Year 2020
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The development and evaluation of cross-priming amplification for the detection of avian reovirus
Publication
- G. Woźniakowski
- J. Niczyporuk
- E. Samorek-Salamonowicz
- A. Gaweł
- JOURNAL OF APPLIED MICROBIOLOGY - Year 2015
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A Translational Model to Improve Early Detection of Epithelial Ovarian Cancers
Publication
- A. Gockley
- K. Pagacz
- S. Fiascone
- K. Stawiski
- N. Holub
- K. Hasselblatt
- D. Cramer
- W. Fendler
- D. Chowdhury
- K. Elias
- Frontiers in Oncology - Year 2022
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TLC-based detection of methylated cytosine: application to aging epigenetics
Publication
- M. Barciszewska
- A. Barciszewska
- S. Rattan
- BIOGERONTOLOGY - Year 2007
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WP1 of INDECT Project: Intelligent Monitoring and Automatic Detection of Threats
Publication
- P. Szczuko
- Year 2009
WP1: Intelligent Monitoring and Automatic Detection of Threats - partners cooperation
Publication
- P. Szczuko
- Year 2009
Silo emptying in aspect of the non-destructive detection methods application
Publication
- M. Niedostatkiewicz
- Z. Chaniecki
- D. Sankowski
- ZESZYTY NAUKOWE POLITECHNIKI ŁÓDZKIEJ, SERIA: ELEKTRYKA - Year 2009
W pracy przedstawiono wyniki pomiarów zmian koncentracji w modelach silosów z zastosowaniem metod bezinwazyjnch: promieniowania rentgenowskiego, metody ECT oraz metody PIV.
WP1: Intelligent monitoring and automatic detection of threats -introduction to the WP1
Publication
- P. Szczuko
- Year 2009
Fast Distance Vector Field Extraction for Facial Feature Detection
Publication
- W. Czarnecki
- S. Gburek
- M. Smiatacz
- LECTURE NOTES IN COMPUTER SCIENCE - Year 2010
Praca dotyczy metody lokalizowania cech twarzy z wykorzystaniem wektorowych pól odległości (DVF), zaproponowanej przez Asteriadisa. Zawiera skrótowy opis tej koncepcji oraz prezentuje ulepszenia wprowadzone przez autorów do oryginalnego rozwiązania. Główną zaletą wprowadzonych zmian jest znacznie zredukowana złożoność obliczeniowa algorytmu, jak również zwiększona precyzja wektorowego pola odległości wyznaczanego w wyniku jego...
The Analysis of Patients' Airflow with Respect to Early Detection of Sleep Apnea
Publication
- Year 2010
The paper discusses the analysis of the respiratory events of sleep apnea patients. The analysis was carried out on the basis of the patient's airflow. As a result of the conducted analysis we proposed an algorithm which establishes an individual respiratory pattern for each subject. The algorithm could be implemented in the measurement - control system which manages the prosthetic device applying positive airway pressure. Its...
Improvement of damage detection methods based on experimental modal parameters
Publication
- M. Radzieński
- M. Krawczuk
- M. Palacz
- MECHANICAL SYSTEMS AND SIGNAL PROCESSING - Year 2011
W pracy przedstwiono sposoby porawy czułości metod detekcji uszkodzeń wykorzystujacych eksperyentalne parametry modalne konstrukcji. Wykazano, że zastosowanie zawansowanych technik obróbki sygnałów pomiarowych pozwala zdecydowanie poprwaić skutecznośc znanych z literatury metod.

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System of wireless magnetic sensors for detection and identification of ferromagnetic vehicles
Publication
- K. Jakubiuk
- P. Jankowski
- M. Wołoszyn
- Acta Technica - Year 2014
The paper presents the results of deformation of the Earth's magnetic field by land vehicles. Basing on the analysis of the shape of the magnetic field deformation, it is possible to detect and identify a vehicle. In order to eliminate the interference of the Earth's magnetic field by the environment, the measurements were performed in a differential configuration. Under a development project a wireless system of magnetic sensors...

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Advanced acoustic signal analysis used for wheel-flat detection
Publication
- P. Komorski
- G. Szymanski
- T. Nowakowski
- M. Orczyk
- Latin American Journal of Solids and Structures - Year 2021
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Bladder cancer detection using a peptide substrate of the 20S proteasome
Publication
- N. Gruba
- M. Wysocka
- M. Brzezińska
- D. Dębowski
- M. Sieńczyk
- E. Gorodkiewicz
- T. Guszcz
- C. Czaplewski
- K. Rolka
- A. Lesner
- FEBS Journal - Year 2016
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Deep learning-based waste detection in natural and urban environments
Publication
- S. Majchrowska
- A. Mikołajczyk
- M. Ferlin
- Z. Klawikowska
- M. Plantykow
- A. Kwasigroch
- K. Majek
- WASTE MANAGEMENT - Year 2022
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Ensemble-Based Logistic Model Trees for Website Phishing Detection
Publication
- V. Adeyemo
- A. Balogun
- H. Mojeed
- N. Akande
- K. Adewole
- H. A. Mojeed
- Year 2021
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Method of data anomaly detection in the process of mobile applications installation
Publication
- T. Polhul
- A. Yarovyi
- R. Romaniuk
- P. Komada
- N. Askarova
- R. S. Romaniuk
- Year 2019
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Search results for: POWER SWING DETECTION