Search results for: DIGRAF

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Dual role of oxygen-related defects in the luminescence kinetics of AlNMn2+
Open Research Data
open access
This dataset presents the impact of temperature and pressure on AlN:Mn2+ luminescence kinetics. Unusual behavior of Mn2+ optical properties during UV excitation is observed, where a strong afterglow luminescence of Mn2+ occurs even at low temperatures. When the temperature increases, the contribution of the afterglow luminescence is further enhanced,...
Dynamics of S-unimodal maps used in population modeling.
Open Research Data
open access
- Z. Kontna
- J. Signerska-Rynkowska
- G. Graff
S-unimodal maps are maps of the interval with negative Schwarzian derivative and having only one turning point (such that the map is increasing to the left of the turning point and decreasing to the right of it). Theory of S-unimodal maps is now a well-developed branch of discrete dynamical systems, including famous Singer theorem which implies existence...
The voltage on bus bars of the main switchboard of the car carrier electrical power system during sea trials
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results conducted onboard the car carrier during sea trials.
The voltage on bus bars of the main switchboard of the car carrier electrical power system at sea trials during maneuvering
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results conducted onboard the car carrier at sea trials during maneuvering.
Correction of far-field measurements obtained in non-anechoic test site
Open Research Data
open access
- A. Bekasiewicz
- V. Waladi
The dataset contains raw and processed measurements of radiation pattern characteristics performed in non-anechoic regime for two geometrically small antenna structures: a spline-parameterized Vivaldi structure and a compact spline-based monopole. The responses have been obtained at the selected frequencies of interest as a function of mentioned structures...
Transmission measurements between two geometrically small Vivaldi antennas performed in non-anechoic propagation conditions
Open Research Data
open access
The dataset contains unprocessed measurements of complex transmission (and reflection) characteristics obtained in non-anechoic regime for a geometrically small, broadband spline-parameterized Vivaldi structure. The measurement setup comprises two Vivaldi antennas with the same topology where one is used as a reference structure, and another one as...
Radiation pattern measurements of geometrically small antennas performed in non-anechoic environments
Open Research Data
open access
- V. Waladi
- A. Bekasiewicz
The dataset contains unprocessed measurements of radiation pattern characteristics performed in non-anechoic regime for three geometrically small antenna structures: a spline-parameterized Vivaldi structure, a compact spline-based monopole, and a quasi-Yagi geometry with enhanced bandwidth. The responses have been obtained over broad frequency ranges...
The voltage on bus bars of the main switchboard of the ro-ro ship electrical power system during a layover at the port
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results carried out onboard a ro-ro ship during a layover at the port.
The voltage on bus bars of the main switchboard of the car carrier electrical power system at sea trials during a sea voyage
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results conducted onboard the car carrier at sea trials. The data were recorded during a sea voyage, under normal...
Calibration images under different lighting conditions vol. 1
Open Research Data
embargo
- P. Burdziakowski
- series: Calibration Images
Dataset description: Calibration images under different lighting conditions vol. 1
The voltage on bus bars of the main switchboard of the car carrier electrical power system at sea trials during a bow thruster start-up
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is a part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. In ships' electrical power systems, disturbances occurring in voltage waveforms on bus bars of the main switchboard are connected mainly with the processes...
The voltage on bus bars of the main switchboard of the ferry electrical power system during a layover at the port
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results carried out onboard the ferry during a layover at the port.
Electrical characteristics simulation of top-gated graphene field-effect transistor (GFET) with 10 μm x 10 μm graphene channel
Open Research Data
open access
The presented data set is part of the research on graphene field-effect transistor (GFET) modelling. The calculations were performed with the use of GFET Tool program (https://nanohub.org/resources/gfettool DOI: 10.4231/D3QF8JK5T), which enabled simulation of the drain current (Id) vs. drain voltage (Vd) characteristics for different gate voltages (Vg)...
Electrical characteristics simulation of top-gated graphene field-effect transistor (GFET) with 10 μm x 3 μm graphene channel
Open Research Data
open access
The presented data set is part of the research on graphene field-effect transistor (GFET) modelling. The calculations were performed with the use of GFET Tool program (https://nanohub.org/resources/gfettool DOI: 10.4231/D3QF8JK5T), which enabled simulation of the drain current (Id) vs. drain voltage (Vd) characteristics for different gate voltages (Vg)...
The voltage on bus bars of the main switchboard of the ferry electrical power system during a sea voyage
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results carried out onboard the ferry during a sea voyage.
Audible noise in ship’s electrical drive systems with frequency converters
Open Research Data
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.
The voltage on bus bars of the main switchboard of the ro-ro ship electrical power system during a sea voyage
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results carried out onboard a ro-ro ship during a sea voyage.
The voltage on bus bars of the main switchboard of the ro-ro ship electrical power system during maneuvering
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results carried out onboard a ro-ro ship during maneuvering.
The voltage on bus bars of the main switchboard of the ferry electrical power system during maneuvering
Open Research Data
open access
- B. Pałczyńska
- T. Tarasiuk
The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results carried out onboard the ferry during maneuvering.
The standard radiated immunity test of an astable multivibrator at a normative field strength
Open Research Data
open access
- P. Ławniczak
- B. Pałczyńska
- series: 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 are performed...
Analytical and reliability data from the real-time simulator biogas plant
Open Research Data
open access
The dataset represents the results of biogas plant simulation. The described plant is an agricultural biogas system, which can produce electrical energy with power estimated up to 1070 kW and heat energy that can reach 1200 kW simultaneously.
The chemical and mechanical pressure influence on chromium luminescence
Open Research Data
open access
- N. Majewska
- S. Mahlik
In this study, we aim to compare the changes in the luminescence properties of Ga2O3:Cr3+ modified by Al or Sc ion substitution (chemical pressure) and hydrostatic pressure. We find the same behavior for Ga2–xAlxO3:Cr3+ and different behavior for Ga2–xScxO3:Cr3+ in terms of the optical properties under chemical and mechanical pressure. We consider Al...
The AC motor voltage and audible noise waveforms in ship’s electrical drive systems with frequency converters
Open Research Data
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.
Calibration images under different lighting conditions vol. 2
Open Research Data
open access
- P. Burdziakowski
- series: Calibration Images
Dataset description: Calibration images under different lighting conditions vol. 1
Two-phase water-air flow measurement using gamma-ray absorption technique – plug flow
Open Research Data
open access
- M. Zych
- R. Hanus
- D. Świsulski
The attached datasets contains the measurement results of the air-water flow in a horizontal pipeline. Flow type: plug flow. The data shows the pulse counts of the two radiometric sets. Each of these kits consisted of a QSA Global Am-241 gamma ray source and a Tesla SKG-1 type NaI(Tl) scintillation probe. The pulses were recorded using a dedicated EC...
Two-phase water-air flow measurement using gamma-ray absorption technique – slug flow
Open Research Data
open access
- M. Zych
- R. Hanus
- D. Świsulski
The attached datasets contains the measurement results of the air-water flow in a horizontal pipeline. Flow type: slug flow. The data shows the pulse counts of the two radiometric sets. Each of these kits consisted of a QSA Global Am-241 gamma ray source and a Tesla SKG-1 type NaI(Tl) scintillation probe. The pulses were recorded using a dedicated EC...
Two-phase water-air flow measurement using gamma-ray absorption technique –bubble flow
Open Research Data
open access
- M. Zych
- R. Hanus
- D. Świsulski
The attached datasets contains the measurement results of the air-water flow in a horizontal pipeline. Flow type: bubble flow. The data shows the pulse counts of the two radiometric sets. Each of these kits consisted of a QSA Global Am-241 gamma ray source and a Tesla SKG-1 type NaI(Tl) scintillation probe. The pulses were recorded using a dedicated...
Two-phase water-air flow measurement using gamma-ray absorption technique – transitional plug – bubble flow
Open Research Data
open access
- M. Zych
- R. Hanus
- D. Świsulski
The attached datasets contains the measurement results of the air-water flow in a horizontal pipeline. Flow type: transitional plug – bubble flow. The data shows the pulse counts of the two radiometric sets. Each of these kits consisted of a QSA Global Am-241 gamma ray source and a Tesla SKG-1 type NaI(Tl) scintillation probe. The pulses were recorded...
Calibration images under different lighting conditions - static for feature localisation
Open Research Data
open access
- P. Burdziakowski
- series: Calibration Images
Dataset description: Calibration images under different lighting conditions - static mode for feature detection
Continuum orbitals in low energy scattering of electrons from Ar, Kr, Xe, Rn and Og atoms
Open Research Data
open access
The dataset includes relativistic continuum electron wave functions (continuum orbitals, continuum spinors) for elastic scattering of electrons from Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn) and Oganesson (Og) atoms, calculated using the Multiconfiguration Dirac-Hartree-Fock method (MCDHF), at very low electron energies (0.0001 - 0.001 eV). Only...
Simulation of ship turning circle test for ballast and full load conditions
Open Research Data
open access
- A. Witkowska
- R. Śmierzchalski
- M. Tomera
- D. Świsulski
The data show the results of the turning circle spiral test for the simplified ship model, taking into account two states of loading: ballast and full load. During the circulation test, the manoeuvrability of the vessel is tested.
The low-frequency magnetic field emissions on-board of the vessel
Open Research Data
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...
Magnetic field maps of an astable multivibrator in frequency range from 30 MHz to 3 GHz – spatial detection
Open Research Data
open access
- A. Rytel
- B. Pałczyńska
- series: Modelling the magnetic and electric field emissions of small electronic devices from near field measurements
The data presents a result of near field measurements of electromagnetic emissions radiated from the PCB of a small electronic device. An efficient method of modelling the magnetic and electric field emissions is the measurements in the near field using electric and magnetic probes. The attached files contain magnetic field maps created on based measurements...
Magnetic field maps of an astable multivibrator in frequency range from 100 kHz to 50 MHz
Open Research Data
open access
- A. Rytel
- B. Pałczyńska
- series: Modelling the magnetic and electric field emissions of small electronic devices from near field measurements
The data presents a result of near field measurements of electromagnetic emissions radiated from the PCB of a small electronic device. An efficient method of modelling the magnetic and electric field emissions is the measurements in the near field using electric and magnetic probes. The attached files contain magnetic field maps created on based measurements...
Electric field maps of an astable multivibrator in frequency range from 30 MHz to 3 GHz
Open Research Data
open access
- A. Rytel
- B. Pałczyńska
- series: Modelling the magnetic and electric field emissions of small electronic devices from near field measurements
The data presents a result of near field measurements of electromagnetic emissions radiated from the PCB of a small electronic device. An efficient method of modelling the magnetic and electric field emissions is the measurements in the near field using electric and magnetic probes. The attached files contain electric field maps created on based measurements...
The magnetic field measurements in selected places of the industrial building
Open Research Data
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.
Experimental investigation of the weight averaging of pulse frequency modulated sensor output signal
Open Research Data
open access
- E. Pawłowski
- D. Świsulski
- M. Dorozhovets
The research aims to practically verify the results of theoretical analysis and simulations of the efficiency of weight averaging of pulse frequency modulated signal. For this purpose, a suitable test stand was built, and the control software in the LabVIEW environment was prepared. Then, a series of experiments were carried out to process and analyze...
Magnetic field maps of an astable multivibrator in frequency range from 30 MHz to 3 GHz – selective detection
Open Research Data
open access
- A. Rytel
- B. Pałczyńska
- series: Modelling the magnetic and electric field emissions of small electronic devices from near field measurements
The data presents a result of near field measurements of electromagnetic emissions radiated from the PCB of a small electronic device. An efficient method of modelling the magnetic and electric field emissions is the measurements in the near field using electric and magnetic probes. The attached files contain magnetic field maps created on based measurements...
Simulation of ship spiral test for ballast and full load conditions
Open Research Data
open access
- A. Witkowska
- R. Śmierzchalski
- M. Tomera
- D. Świsulski
The data show the results of the spiral test for the simplified ship model, taking into account two states of loading: ballast and full load. The data set contains the results of time simulation for sea state 10 on the Beaufort scale: changes in rudder angle delta_tab[deg]; angular velocity r_tab[deg/s]; surge velocity u_tab (m/s); sway velocity v_tab...
The time-varying low-frequency magnetic-field emitted from the ship’s inverter-fed induction motor
Open Research Data
open access
- B. Pałczyńska
- J. Wyszkowski
The dataset contains the magnetic field measurement results that are part of a comprehensive study on the assessment of the magnetic field emissions onboard of the research-training vessel. The measurements were carried out, nearby the bow thruster motor fed from the inverter, during maneuvering and the sea voyage. The bow thruster is assembled in the...
Experimental Study of the Influence of Noise Level on the Uncertainty Value in a Measurement System Containing an Analog-to-Digital Converter
Open Research Data
open access
- E. Pawłowski
- A. Szlachta
- P. Otomański
For newly developed measuring systems it is easy to estimate type B uncertainties based on the technical data of the measuring modules applied. However, it is difficult to estimate A type un-certainties due to the unknown type and level of interferences infiltrating into the measuring sys-tem. This is a particularly important problem for measurements...
Measurements of radiation emission of a portable power bank with a capacity of 5200 mAh
Open Research Data
open access
- B. Pałczyńska
- series: Measurements of radiated emissions in a GTEM cell
The dataset contains the emission measurement results that are part of comprehensive tests carried out for portable power banks with different capacities. The measurements were performed in the frequency range from 30 MHz to 3 GHz using a Gigahertz Transverse Electromagnetic (GTEM) cell. The test setup was configured to measure a portable power bank...
Measurements of radiation emission of a portable power bank with a capacity of 2600 mAh
Open Research Data
open access
- B. Pałczyńska
- series: Measurements of radiated emissions in a GTEM cell
The dataset contains the emission measurement results that are part of comprehensive tests carried out for portable power banks with different capacities. The measurements were performed in the frequency range from 30 MHz to 3 GHz using a Gigahertz Transverse Electromagnetic (GTEM) cell. The test setup was configured to measure a portable power bank...

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