Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Przemyslaw Korpas"'
Autor:
Przemyslaw Korpas, Michal Kajczuk, Dawid W. Rosolowski, Daniel Gryglewski, Wojciech Wojtasiak
Publikováno v:
2022 24th International Microwave and Radar Conference (MIKON).
Autor:
D. Mieczkowska, Marzena Olszewska-Placha, Przemyslaw Korpas, Janusz Rudnicki, Malgorzata Celuch
Publikováno v:
2021 IEEE MTT-S International Microwave Symposium (IMS).
A quantitative criterion based on structural similarity is proposed for the quality evaluation of permittivity images obtained by the recently proposed 2D SPDR scanning technique. The criterion is shown consistent with visual quality assessment, whil
Publikováno v:
Energies, Vol 17, Iss 18, p 4657 (2024)
This paper presents a model-based PID tuning method for a reactor used in microwave-assisted chemistry. The reactor is equipped with a solid-state source of microwaves and a PID controller capable of increasing or decreasing the delivered microwave p
Externí odkaz:
https://doaj.org/article/713041c541c44d18b5a8455425be1176
Autor:
Dawid Rosolowski, Przemyslaw Korpas
Publikováno v:
2020 23rd International Microwave and Radar Conference (MIKON).
This paper presents two calibration procedures for ultra-wideband SDR Zero-IF receiver operating in 1 GHz to 6 GHz frequency range. The IQ-imbalance compensation procedure trained with an additional testing monochromatic signal and based on complex F
Autor:
Przemyslaw Korpas
Publikováno v:
2018 22nd International Microwave and Radar Conference (MIKON).
Resistivity scans of inhomogeneous samples obtained with the technique based on Split-Post Dielectric Resonator suffer from limited spatial resolution due to weighted averaging of the complex permittivity distribution over the sample's volume. A deco
Autor:
Andrzej Musial, Przemyslaw Korpas
Publikováno v:
2018 22nd International Microwave and Radar Conference (MIKON).
This paper presents a design process of a fractional-N phase-locked loop frequency synthesizer dedicated to use in a microwave Q-Meter device. The requirements for this application and components selection criteria have been stated. The optimization
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 62:1535-1544
This paper presents a new type of an electromagnetic sensor for nondestructive testing of carbon-fiber-reinforced polymer composites. The sensor utilizes coupled planar spiral inductors operating typically in the range of 10-500 MHz. The method propo
Publikováno v:
2016 21st International Conference on Microwave, Radar and Wireless Communications (MIKON).
This paper is related to the project of an ultrawideband radio receiver operating between 1 and 6 GHz with instantaneous bandwidth of 500 MHz. A single frequency conversion (0-IF) architecture is based on analog I/Q demodulator (ADL5380) and two chan
Publikováno v:
Ferroelectrics. 434:113-120
We have developed an inexpensive computer controlled microwave oscillator system that enables quick and automatic measurements of the complex permittivity with a specific split post dielectric resonator (SPDR). It is based on a phase-locked loop Micr
Publikováno v:
International Journal of Electronics and Telecommunications. 57:121-126
A Computer-controlled System of High-power Microwave Sources The paper presents the design and hardware implementation of a computer controlled system composed of up to four high-power microwave sources. Each source provides up to 200 W of continuous