Wyniki wyszukiwania dla: 868 MHZ

• The radiated immunity test of an astable multivibrator at over-normative field strengths

  Dane Badawcze

  open access

  • P. Ławniczak
  • B. Pałczyńska

  - seria: Radiated immunity measurements of electronic devices in a GTEM cell

  The dataset presents a result of measurements that are a part of electromagnetic field immunity tests. The radiated, radio frequency, immunity tests were carried out for a typical astable electronic multivibrator. Tests of immunity of electronic systems to radiated radio frequency (RF) disturbances in the frequency range from 80 MHz to 1 GHz were performed...

• Testing HIADAC high impedance analyzer in Trento University laboratory on Baunier's RC model using 2 wire probe

  Dane Badawcze

  open access

  • G. Lentka
  • J. Hoja

  - seria: HIADAC testing in Univeristy of Trento laboratory

  The dataset presents impedance spectrum of Baunier's RC model. This object was used to test high-impedance analyzer for diagnostic of anticorossion coatings (HIADAC) realized in the frame of Eureka project E!3174.  The impedance spectrum frequency range (1 mHz – 100 kHz) was selected in order to test the whole measureement range of the analyzer. In...

• Przenośny analizator impedancji z detektorem fazoczułym

  Publikacja

  • J. Hoja
  • G. Lentka

  - Measurement Automation Monitoring - Rok 2012

  W artykule przedstawiono prototyp analizatora impedancji, w którym zastosowano dwa mikrosystemy AD5933 do wydzielania składowych ortogonalnych sygnałów pomiarowych w zakresie częstotliwości od 0,01 Hz do 1 kHz i detektory fazoczułe dla częstotliwości z przedziału 1 kHz ÷ 100 kHz. Przyjęte rozwiązanie pozwoliło wyeliminować błędy pomiaru argumentu impedancji wprowadzane przez AD5933 w górnym zakresie częstotliwości. Uzyskany błąd...

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• The conducted immunity test of an AC adaptor in accordance with EMC standards

  Dane Badawcze

  open access

  • W. Lendzion
  • J. Magoń
  • B. Pałczyńska

  - seria: Measurements of immunity to conducted disturbances, induced by radio-frequency fields

  The dataset presents a result of measurements that are a part of immunity tests to conducted disturbances, induced by radio-frequency fields. The immunity tests were carried out on the mains cable of the ac adaptor PHILIPS DC power supply SBC 6654. Tests of immunity of electronic systems to conducted disturbances in the frequency range from 150 kHz...

• The electromagnetic field intensity in industrial buildings

  Dane Badawcze

  open access

  • S. Galla
  • B. Pałczyńska

  The dataset contains the results of measurements of electromagnetic fields, separately electric and magnetic, carried out at selected places in the building of an operating industrial enterprise.

• Testing HIADAC high impedance analyzer in Trento University laboratory on Baunier's RC model using 3 wire probe

  Dane Badawcze

  open access

  • G. Lentka
  • J. Hoja

  - seria: HIADAC testing in Univeristy of Trento laboratory

  The dataset presents impedance spectrum of Baunier's RC model. This object was used to test high-impedance analyzer for diagnostic of anticorossion coatings (HIADAC) realized in the frame of Eureka project E!3174.  The impedance spectrum frequency range (1 mHz – 100 kHz) was selected in order to test the whole measureement range of the analyzer. In...

• Testing impedance analyzer with potentiostat using RC model with Si diode at 200 mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance analyzer with potentiostat testing results

  The dataset presents impedance spectrum non-linear RC model with diode presented in the figure below. This model was used as a test engine of the impedance analyzer with potentiostat described in the referenced paper. When changing the DC polarisation of the model the non-linear phenomena could be observed. Thanks to this, the model can be used as a...

• Testing impedance analyzer with potentiostat using RC model with Si diode at 0 V

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance analyzer with potentiostat testing results

  The dataset presents impedance spectrum non-linear RC model with diode presented in the figure below. This model was used as a test engine of the impedance analyzer with potentiostat described in the referenced paper. When changing the DC polarisation of the model the non-linear phenomena could be observed. Thanks to this, the model can be used as a...

• Testing impedance analyzer with potentiostat using RC model with Si diode at 600 mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance analyzer with potentiostat testing results

  The dataset presents impedance spectrum non-linear RC model with diode presented in the figure below. This model was used as a test engine of the impedance analyzer with potentiostat described in the referenced paper. When changing the DC polarisation of the model the non-linear phenomena could be observed. Thanks to this, the model can be used as a...

• Wave propagation signals for ultrasonic tomography of concrete during splitting

  Dane Badawcze

  open access

  • M. Rucka
  • M. Zielińska

  The DataSet contains the results of the mechanical behaviour of a concrete cube with dimensions 70 x 70 x 70 cm3under the splitting test. Three cubes were tested: cube 1 (concrete with polymer fibres), cube 2 (concrete with steel fibres) and cube 3 (plain concrete).

• Testing impedance analyzer with potentiostat using RC model with Si diode at 400 mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance analyzer with potentiostat testing results

  The dataset presents impedance spectrum non-linear RC model with diode presented in the figure below. This model was used as a test engine of the impedance analyzer with potentiostat described in the referenced paper. When changing the DC polarisation of the model the non-linear phenomena could be observed. Thanks to this, the model can be used as a...

• Images revealing the effect of local femtosecond laser ablation of conductive poly(lactic acid) 3D printed electrodes

  Dane Badawcze

  open access

  • M. Cieślik
  • M. Sawczak
  • R. Jendrzejewski
  • J. Celej
  • W. Nogala
  • J. Ryl

  - seria: Additive manufacturing technology of electroactive three-dimensional structures from diamond reinforced polylactide composites

  The dataset reveals the images of the femtosecond laser (FSL) ablation at the surface of commercially available carbon black-filled poly(lactic acid) 3D printed electrode. The process is used for the increase of the charge transfer of this electrode in electrochemical studies.

• Subjective and Objective Quality Evaluation Study of BPL -PLC Wired Medium

  Publikacja

  • G. Debita
  • P. Falkowski-Gilski
  • M. Habrych
  • B. Miedziński
  • B. Polnik
  • J. Wandzio
  • P. Jedlikowski

  - Elektronika Ir Elektrotechnika - Rok 2020

  This paper presents results of research on the effectiveness of bi-directional voice transmission in a 6 kV mine cable network using BPL-PLC (Broadband over Power Line - Power Line Communication) technology. It concerns both emergency cable state (supply outage with cable shorted at both ends) and loaded with distorted current waveforms. The narrowband (0.5 MHz–15 MHz) and broadband (two different modes, frequency range of 3 MHz–7.5...

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• Właściwości szumowe piroelektrycznych detektorów podczerwieni.

  Publikacja

  • J. A. Cichosz
  • A. Konczakowska
  • S. Galla

  - Rok 2004

  W artykule omówiono specyfikę pomiaru szumów małoczęstotliwościowych piroelektrycznych detektorów podczerwieni. Opisano sysytem umożliwiający pomiary szumów w zakresie częstotliwości od 0.1 Hz do 30 kHz. Przytoczono przykładowe wyniki pomiarów szumów.

• The magnetic field measurements in selected places of the industrial building

  Dane Badawcze

  open access

  • S. Galla
  • B. Pałczyńska

  The dataset is part of a comprehensive study on the assessment of the electromagnetic field intensity in a building of an operating industrial plant. Detailed results of magnetic field measurements, carried out in selected places of this building, are presented.

• Błaszki 2021- video data - pedestrian, bicycles, vehicles

  Dane Badawcze

  open access

  • Ł. Jeliński
  • W. Kustra
  • K. Jamroz
  • D. Bytner

  Błaszki 2021- video data - pedestrian, bicycles, vehicles

• Electrochemical cell impedance spectra at Eoc+100mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance spectra of electrochemical cell with 3% NaCl solution at different DC polarisation

  The dataset presents impedance spectrum of electrochemical cell filled with 3% NaCl solution presented in the figure below. This cell was used measured using Atlas-Sollich 0531 impedance analyser with built-in potentiostat. When changing the DC polarisation of the cell the non-linear phenomena could be observed. The impedance spectrum frequency range...

• Electrochemical cell impedance spectra at Eoc+200mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance spectra of electrochemical cell with 3% NaCl solution at different DC polarisation

  The dataset presents impedance spectrum of electrochemical cell filled with 3% NaCl solution presented in the figure below. This cell was used measured using Atlas-Sollich 0531 impedance analyser with built-in potentiostat. When changing the DC polarisation of the cell the non-linear phenomena could be observed. The impedance spectrum frequency range...

• Electrochemical cell impedance spectra at Eoc-100mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance spectra of electrochemical cell with 3% NaCl solution at different DC polarisation

  The dataset presents impedance spectrum of electrochemical cell filled with 3% NaCl solution presented in the figure below. This cell was used measured using Atlas-Sollich 0531 impedance analyser with built-in potentiostat. When changing the DC polarisation of the cell the non-linear phenomena could be observed. The impedance spectrum frequency range...

• Electrochemical cell impedance spectra at Eoc

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance spectra of electrochemical cell with 3% NaCl solution at different DC polarisation

  The dataset presents impedance spectrum of electrochemical cell filled with 3% NaCl solution presented in the figure below. This cell was used measured using Atlas-Sollich 0531 impedance analyser with built-in potentiostat. When changing the DC polarisation of the cell the non-linear phenomena could be observed. The impedance spectrum frequency range...

• Electrochemical cell impedance spectra at Eoc-200mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance spectra of electrochemical cell with 3% NaCl solution at different DC polarisation

  The dataset presents impedance spectrum of electrochemical cell filled with 3% NaCl solution presented in the figure below. This cell was used measured using Atlas-Sollich 0531 impedance analyser with built-in potentiostat. When changing the DC polarisation of the cell the non-linear phenomena could be observed. The impedance spectrum frequency range...

• Designing a high-sensitivity dual-band nano-biosensor based on petahertz MTMs to provide a perfect absorber for early-stage non-melanoma skin cancer diagnostic

  Publikacja

  • M. Hamza
  • M. Islam
  • S. Lavadiya
  • S. Kozieł
  • I. Din Ud
  • B. Sanches

  - IEEE SENSORS JOURNAL - Rok 2024

  The purpose of this study is development of a novel high-performance low-Petahertz (PHz) biosensor for non-melanoma skin cancer (NMSC) diagnosis. The presented device is designed to work within a microwave imaging regime, which is a promising alternative to conventional diagnostic methods such as visual examination, dermoscopy, and biopsy. The suggested biosensor incorporates a dual-band perfect absorber (operating bands at 0.909...

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• A non-quasi-static-signal MOSFET model for radio and microware frequencies including spreading gate resistances and capacitaces.

  Publikacja

  • W. Kordalski
  • T. Stefański

  - Rok 2003

  Zaprezentowano nowy, spójny fizycznie nie-quasi-statyczny model małosygnałowy tranzystora MOS słuszny od 0 Hz aż do częstotliwości mikrofalowych. Scharakteryzowano właściwości nowego czterokońcówkowego modelu. Model został zweryfikowany eksperymentalnie aż do częstotliwości 27 GHz.

• 1.2V low-power four-quadrant CMOS transconductance multiplier operating in saturation region.

  Publikacja

  • S. Szczepański
  • S. Kozieł

  - Rok 2004

  W pracy opisano niskomocową strukturę układową liniowego transkonduktancyjnego mnożnika czteroćwiartkowego pracującego w zakresie nasycenia. Układ analizowano z uwzględnieniem standardowego 0,35-mikrometrowego procesu CMOS. Przeprowadzone symulacje przy pomocy programu SPICE wykazały wysoką liniowość w odniesieniu do obu wejść sterujących X, Y. Np. dla sygnału harmonicznego 1 MHz; 0,3Vp-p na wejściu Y uzyskano zniekształcenia...

• Specification-Oriented Automatic Design of Topologically Agnostic Antenna Structure

  Publikacja

  • A. Bekasiewicz
  • M. Dzwonkowski
  • T. Dhaene
  • I. Couckuyt

  - Rok 2024

  Design of antennas for modern applications is a challenging task that combines cognition-driven development of topology intertwined with tuning of its parameters using rigorous numerical optimization. However, the process can be streamlined by neglecting the engineering insight in favor of automatic de-termination of structure geometry. In this work, a specification-oriented design of topologically agnostic antenna is considered....

  Pełny tekst do pobrania w serwisie zewnętrznym

• Application of atmospheric pressure microwave plasma source for hydrogen production from ethanol

  Publikacja

  • B. Hrycak
  • D. Czylkowski
  • R. Miotk
  • M. Dors
  • M. Jasiński
  • J. Mizeraczyk

  - INTERNATIONAL JOURNAL OF HYDROGEN ENERGY - Rok 2014

  In contrast to conventional technologies of hydrogen production like water electrolysis or coal gasification we propose a method based on the atmospheric pressure microwave plasma. In this paper we present results of the experimental investigations of the hydrogen production from ethanol in the atmospheric pressure plasma generated in waveguidesupplied cylindrical type nozzleless microwave (915 MHz and 2.45 GHz) plasma source (MPS)....

  Pełny tekst do pobrania w serwisie zewnętrznym

• Milicz 2019 - video data - pedestrian, bicycles, vehicles

  Dane Badawcze

  open access

  • Ł. Jeliński
  • W. Kustra
  • K. Jamroz
  • D. Bytner

  Milicz 2019 - video data - pedestrian, bicycles, vehicles

• Impedance spectra of ZnO varistor type 280 model O M ver. 89

  Dane Badawcze

  open access

  • G. Lentka
  • L. Hasse

  - seria: Impedance spectra of ZnO high-voltage varistors (surge arresters)

  The impedance spectrum of high-voltage ZnO varistor obtained using FRA EIS impedance spectrosocpy measurement method. The 1V sinusoidal excitation was used. The frequency range was chosen from 10 kHz down to 100 uHz. The object under test and the measuring instrument were placed in a Faraday cage due to high impedance of the object. The data was acquired...

• ALTERNATIVE, DIRECT SYNTHESIS METHOD OF THE CERAMIC SOLID SOLUTIONS BASED ON BaTiO3 THROUGH A HIGH ENERGY BALL MILLING

  Publikacja

  • W. Bąk
  • P. Dulian
  • B. Garbarz-Glos
  • D. Czekaj
  • A. Lisińska-Czekaj

  - ARCHIVES OF METALLURGY AND MATERIALS - Rok 2020

  Polycrystalline samples BaTiO3 and the solid solutions Ba0.9Sr0.1TiO3, Ba0.9Sr0.1Ti0.9Sn0.1O3, Ba0.9Sr0.1Ti0.8Sn0.2O3 were obtained by means of a mechanochemical treatment based on the high-energy ball milling technique and next a high temperature solid state reaction method. The influence of synthesis condition on microstructural, dielectric and ferroelectric properties of obtained solid solutions were investigated. The structure...

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• Ryszard Strzelecki prof. dr hab. inż.

  Osoby

  Katedra Energoelektroniki i Maszyn Elektrycznych

• Bandwidth Dependence of the Propagation Channel in Circular Metallic BAN Environments

  Publikacja

  • M. M. Ferreira
  • F. D. Cardoso
  • S. J. Ambroziak
  • L. M. Correia

  - IEEE Access - Rok 2023

  In this paper, the bandwidth dependence of the propagation channel for Body Area Networks (BANs) in circular metallic environments is addressed and models are proposed to evaluate the appropriate short-term fading margins that should be considered as a function of the system bandwidth. The deployment of BANs in metallic indoor environments, such as ships, factories, warehouses and other similar environments, involves additional...

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• The AC motor voltage and audible noise waveforms in ship’s electrical drive systems with frequency converters

  Dane Badawcze

  open access

  • B. Pałczyńska
  • J. Wyszkowski

  The presented dataset is part of research focusing on the impact of the ship's electrical drive systems with frequency converters on vibrations and the level of audible noise on ships.

• Koncepcja oraz budowa modułu lokalizacyjnego w projekcie „Innowacyjna metoda lokalizowania statków powietrznych w rozproszonym systemie VCS (VCS-MLAT)”

  Publikacja

  • S. Wiszniewski

  - Rok 2018

  Artykuł zawiera koncepcję, schemat oraz opis modułu lokalizacyjnego demonstratora technologicznego systemu lokalizacyjnego statków powietrznych w rozproszonym systemie VCS (VCS-MLAT). Urządzenie ma za zadanie odebrać sygnał audio nadawany w paśmie lotniczym 118 MHz – 136 MHz i wraz ze znacznikami czasu oraz dodatkowymi parametrami przesyłane są do serwera systemu VCS. Dane odebrane z wielu modułów lokalizacyjnych pozwolą estymować...

• Innovative method of localization airplanes in VCS (VCS-MLAT) distributed system

  Publikacja

  • S. Wiszniewski

  - Rok 2019

  The article presents the concept and the structure of the localization module. The prototype module is the part of the VCS (VCS-MLAT) localization distributed system. The device receives the audio signal transmitted in airplanes band (118 MHz – 136 MHz). Received data with the timestamps are send to the main server. The data from multiple devices estimates the localization of the airplane. The main aim of the project is the analysis...

• The low-frequency magnetic field emissions on-board of the vessel

  Dane Badawcze

  open access

  • B. Pałczyńska

  The data represents measurement results performed on board of the vessel. The acquired time-waveforms, corresponding to the instantaneous values of the magnetic field (MF) induction were acquired near the cable supplying the bow thruster motor. Data recording of the magnetic field density (MFD) emissions was carried out with a/d converters of the data...

• Metoda bezkontaktowego wielopasmowego pomiaru emisyjności.**2003, 100 s.30 rys. 6 tab. bibliogr. 86 poz. maszyn. Rozprawa doktorska /01.07.2003/ Wydz. ETI Promotor: prof. zw. dr hab. inż. K. Chrzanowski

  Publikacja

  • A. Mazikowski

  - Rok 2003

  W pracy omówiona została metoda bezkontaktowego wielopasmowego pomiaru emi-syjności. Przedstawiona została ogólna koncepcja systemu pomiarowego do bez-kontaktowych pomiarów emisyjności, a także opracowany został matematyczny o-pis elementów systemu. Dla wyznaczenia nieznanych wartości temperatury i e-misyjności obiektu na podstawie zgromadzonych danych pomiarowych wykorzysta-na została aproksymacja za pomocą liniowej metody najmniejszych...

• THE APPLICATION OF THE MECHANOCHEMICAL SYNTHESIS FOR THE PREPARATION OF ADVANCED CERAMICS BASED ON BARIUM TITANATE

  Publikacja

  • B. Garbarz-Glos
  • W. Bąk
  • A. Budziak
  • P. Dulian
  • A. Lisińska-Czekaj
  • D. Czekaj

  - ARCHIVES OF METALLURGY AND MATERIALS - Rok 2020

  In the present study, the lead-free BaTi1-xZrxO3 (for x = 0, 0.05 and 0.15) ceramics were prepared by High-Energy Ball Milling and heat treatments. The performed X-ray, SEM and EDS measurements confirmed high purity, good quality and the expected quantitative composition of the obtained samples. The study of dielectric properties was performed by means of broadband dielectric spectroscopy at the frequency ranging from 0.1 Hz to...

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• A family of new generation miniaturized impedance analyzers for technical object diagnostics

  Publikacja

  • J. Hoja
  • G. Lentka

  - Metrology and Measurement Systems - Rok 2013

  The paper presents the family of three analyzers allowing to measure impedance in range of 10 ohm<|Zx|<10 Gohm in a wide frequency range from 10 mHz up to 100 kHz. The most important features of the analyzers family are: miniaturization, low power consumption, low production cost, telemetric controlling and the use of impedance measurement method based on digital signal processing DSP. The miniaturization and other above mentioned...

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• Bielawa 2019 - video data - pedestrian, bicycles, vehicles

  Dane Badawcze

  open access

  • Ł. Jeliński
  • W. Kustra
  • K. Jamroz
  • D. Bytner

  Bielawa 2019 - video data - pedestrian, bicycles, vehicles

• Realizacja mobilnego urządzenia do wytwarzania kurtyny elektromagnetycznej do zastosowań specjalnych

  Publikacja

  • P. Rajchowski
  • K. Cwalina
  • J. Magiera
  • A. Olejniczak
  • P. T. Kosz
  • A. Czapiewska
  • R. Burczyk
  • K. Kowalewski
  • J. Sadowski
  • S. J. Ambroziak

  - Rok 2019

  In the article the assumptions, design and realisation of the technological demonstrator of a mobile device for generating an electromagnetic curtain (AEGIS) were presented, both in the area of hardware and software. The device is designed to block radio communication by which it is possible to detonate the Radio Controlled Improvised Explosive Devices (RCIEDs). The preliminary laboratory tests of the demonstrator for generating...

• Porównanie detekcji obwiedni i detekcji synchronicznej w radioodbiornikach lotniczych VHF

  Publikacja

  • S. Wiszniewski

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Rok 2018

  Artykuł przedstawia porównanie detekcji obwiedniowej oraz detekcji koherentnej dla sygnałów audio zmodulowa-nych amplitudowo (A3E) w paśmie lotniczym VHF [118 MHz - 136 MHz]. Wykonane badania miały na celu porównanie metod detekcji oraz wskazanie, która z nich charakteryzuje się wyższą jakością estymacji czasów nadejścia sygnałów. Dokonano pomiarów opóźnień sygnałów wyjściowych dla dwóch radiostacji lotniczych stosując korelację...

• Microfluidically Frequency-Reconfigurable Compact Self-Quadruplexing Tunable Antenna with High Isolation Based on Substrate Integrated Waveguide

  Publikacja

  • R. K. Barik
  • S. Kozieł

  - Scientific Reports - Rok 2024

  This communication presents a novel concept of microfluidically frequency-reconfigurable self-quadruplexing tunable antenna for quad-band applications. At the initial design stage, a substrate-integrated square cavity is divided into four unequal quarter-mode cavity resonators by inserting an X-shaped slot on the top surface of the cavity. Applying four 50-ohm microstrip feed-lines to these four quarter-mode cavity resonators enables...

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• Krzysztof Nyka dr hab. inż.

  Osoby

  Katedra Inżynierii Mikrofalowej i Antenowej

  Krzysztof Nyka, absolwent Wydziału Elektroniki Telekomunikacji i Informatyki Politechniki Gdańskiej (WETI PG), gdzie  uzyskał tytuł magistra inżyniera (1986, telekomunikacja) stopień doktora nauk technicznych (2002, elektronika) i doktora habilitowanego (2020 automatyka, elektronika i elektrotechnika). Obecnie jest zatrudniony na stanowisku profesora uczelni w Katedrze Inżynierii Mikrofalowej i Antenowej WETI PG. Zainteresowania...

• AEGIS – Mobile Device for Generating Electromagnetic Curtain for Special Applications and Countering the Threats of RCIED

  Publikacja

  • P. Rajchowski
  • K. Cwalina
  • J. Magiera
  • A. Olejniczak
  • P. T. Kosz
  • A. Czapiewska
  • R. Burczyk
  • K. Kowalewski
  • J. Sadowski
  • S. J. Ambroziak

  - International Journal of Electronics and Telecommunications - Rok 2020

  In the article the assumptions, design and realization of the technological demonstrator of a mobile device for generating an electromagnetic curtain (with a cryptonym AEGIS) were presented, both in the area of hardware and software. The device is designed to block the radio communication systems by which it is possible to detonate the Radio Controlled Improvised Explosive Devices (RCIEDs). The preliminary laboratory tests of the...

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• Influence of Sn and Pb Ions Substitutions on Dielectric Properties of Barium Titanate

  Publikacja

  • W. Bąk
  • C. Kajtoch
  • S. Ptaszek
  • A. Lisińska-Czekaj
  • D. Czekaj
  • D. Ziętek
  • T. Glos
  • B. Garbarz-Glos

  - ARCHIVES OF METALLURGY AND MATERIALS - Rok 2016

  The results of the microstructural and dielectric measurements of (Ba1-xPbx)(Ti1-xSnx)O3 (BPTSx) (x = 0, 0.05, 0.10, 0.30) polycrystalline samples are presented. The samples were obtained by means of a high temperature synthesis and their expected stoichiometry was confirmed by energy dispersive spectroscopy (EDS) measurements. The dielectric properties of BPTSx were studied with the use of broadband dielectric spectroscopy. The...

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• Nonlinear impedance of as-quenched Bi2VO5.5 glass-ceramic was measured with impedance spectroscopy method at low temperature region

  Dane Badawcze

  open access

  • N. Wójcik
  • J. Ryl
  • R. Barczyński

  The nonlinear electrical properties of as-quenched Bi2VO5.5 glass-ceramic was measured by impedance spectroscopy method. 

• WPŁYW KSZTAŁTU NAPIĘCIA NA POMIAR PRĄDU UPŁYWOWEGO OGRANICZNIKÓW PRZEPIĘĆ

  Publikacja

  • M. Olesz

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Rok 2013

  W referacie przedstawiono wyniki pomiarów prądu upływowego dla tlenkowych ograniczników przepięć niskiego napięcia (ZnO) badanych przy nieodkształconym napięciu sinusoidalnym o częstotliwości 50 Hz ÷ 10 kHz oraz przy napięciu odkształconym o częstotliwości podstawowej 50 Hz. Prąd upływowy, a szczególnie jego składowa rezystancyjna, jest podstawą oceny stanu technicznego ogranicznika. Zastosowane procedury pomiarowe w przypadku...

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• Synteza i zastosowanie ditiofosforanów acylowych w reakcji tioacylowania.** 2002, 92 s. 86 rys. 26 tab. bibliogr. 107 poz. maszyn. Rozprawa doktorska /28.12.2001/. P. Gdań., Wydz. Chemiczny. Promotor: prof. dr hab. J. Rachoń.

  Publikacja

  • L. Doszczak

  - Rok 2002

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• Nonlinear impedance of vanadate glasses containing BaTiO3

  Dane Badawcze

  open access

  • N. Wójcik
  • R. Barczyński
  • J. Ryl

  The nonlinear impedance of vanadate glasses doped with BaTiO3 was measured. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on a preheated (573...

• Nonlinear impedance of Bi2VO5.5 glass-ceramic annealed at 423 K was measured with impedance spectroscopy method at high temperature region

  Dane Badawcze

  open access

  • N. Wójcik
  • J. Ryl
  • R. Barczyński

  The nonlinear electrical properties of Bi2VO5.5 glass-ceramic annealed at 423 K was measured by impedance spectroscopy method.