Zobrazeno 1 - 10
of 693
pro vyhledávání: '"Z, Wieczorek"'
Publikováno v:
Sensors, Vol 23, Iss 4, p 1819 (2023)
Modern applications of Internet of Things (IoT) devices require cheap and effective methods of measurement of physical quantities. Cheap IoT devices with sensor functionalities can detect a lack or excess of substances in everyday life or industry pr
Externí odkaz:
https://doaj.org/article/0bf5ebce1f2443808ae373e6fb68ab1e
Publikováno v:
Applied Sciences, Vol 10, Iss 12, p 4105 (2020)
The signal-to-noise ratio (SNR) is a major factor that limits the detection sensitivity of quartz-enhanced photoacoustic spectroscopy (QEPAS) sensors. The higher the electrical signal level compared to the noise amplitude is the lower the concentrati
Externí odkaz:
https://doaj.org/article/93de20a7c36e4423ba80091f3631dc69
Autor:
Giansergio Menduni, Angelo Sampaolo, Pietro Patimisco, Marilena Giglio, Stefano Dello Russo, Andrea Zifarelli, Arianna Elefante, Piotr Z. Wieczorek, Tomasz Starecki, Vittorio M. N. Passaro, Frank K. Tittel, Vincenzo Spagnolo
Publikováno v:
Applied Sciences, Vol 10, Iss 8, p 2947 (2020)
A study of the front-end electronics for quartz tuning forks (QTFs) employed as optoacoustic transducers in quartz-enhanced photoacoustic spectroscopy (QEPAS) sensing is reported. Voltage amplifier-based electronics is proposed as an alternative to t
Externí odkaz:
https://doaj.org/article/9558696e12814b9ebf00fde298bff688
Autor:
Krzysztof Gołofit, Piotr Z. Wieczorek
Publikováno v:
Applied Sciences, Vol 9, Iss 5, p 991 (2019)
The concept presented in this paper fits into the current trend of highly secured hardware authentication designs utilizing Physically Unclonable Functions (PUFs) or Physical Obfuscated Keys (POKs). We propose an idea that the PUF cryptographic keys
Externí odkaz:
https://doaj.org/article/36cabd60100d4a398be7b286fb17c0ef
Publikováno v:
Molecules, Vol 10, Iss 6, Pp 659-671 (2005)
Cyclopentadienyl-titanium complexes containing –OC6H4X ligands (X = Cl,CH3) activated with methylaluminoxane (MAO) were used in the homo-polymerizationof ethylene, propylene, 1-butene, 1-pentene, 1-butene, and 1-hexene, and also in co-po
Externí odkaz:
https://doaj.org/article/2c02750d5a6045269778fd2164b6b959
Autor:
Tomasz Starecki, Piotr Z. Wieczorek
Publikováno v:
Sensors, Vol 17, Iss 11, p 2528 (2017)
All the preamplifiers dedicated for Quartz Enhanced PhotoAcoustic Spectroscopy (QEPAS) applications that have so far been reported in the literature have been based on operational amplifiers working in transimpedance configurations. Taking into consi
Externí odkaz:
https://doaj.org/article/1be9e7e61e4a4945950b112d231f289d
Autor:
Agnieszka Hankus-Kubica, Piotr Z. Wieczorek, Maciej Kulinski, Karol Cheda, Bartosz Brzozowski
Publikováno v:
2020 IEEE 7th International Workshop on Metrology for AeroSpace (MetroAeroSpace).
During an ongoing research project regarding the development of the automatic spatial data acquisition and analysis system that automates the inventory, modeling and volume calculation of mineral resources (AutoInvent), one of the tasks is to improve
Autor:
Piotr Z. Wieczorek, Krzysztof Gołofit
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 65:1279-1292
This paper introduces a new concept of a true random number generator (TRNG) based on two stages of randomness. The first stage is based on a novel chaotic circuit, which utilizes time as a continuous random variable in a feedback loop. The second st
Publikováno v:
Synthetic Metals. 223:73-79
Electrolyte compositions for future lithium-anode batteries involving silicon-composite anodes are studied in this paper. The lithium salt of TDI (4,5-dicyano-2-trifluoromethanoimidazole) was used due to its high lithium cation conductivity, the low
Autor:
Piotr Z. Wieczorek, Krzysztof Gołofit
Publikováno v:
Applied Sciences, Vol 9, Iss 5, p 991 (2019)
Applied Sciences
Volume 9
Issue 5
Applied Sciences
Volume 9
Issue 5
The concept presented in this paper fits into the current trend of highly secured hardware authentication designs utilizing Physically Unclonable Functions (PUFs) or Physical Obfuscated Keys (POKs). We propose an idea that the PUF cryptographic keys