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Wyświetlanie 1-3 z 3
Tytuł:
Review of peak signal detection methods in nanosecond pulses monitoring
Autorzy:
Achtenberg, Krzysztof
Mikołajczyk, Janusz
Szabra, Dariusz
Prokopiuk, Artur
Bielecki, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/221035.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
peak detection
pulse amplitude
free space optics
constant fraction discriminator
leading edge discriminator
sample and hold
ADC
fast acquisition
Opis:
The paper is a review of analog and digital electronics dedicated to monitor nanosecond pulses. Choosing the optimal peak detector construction depends on many factors for example precision, complexity, or costs. The work shows some virtues and limitations of selected peak detection methods, for example standard peak detector with rectifier, sample and hold circuit with triggering units and ADC fast acquisition. However, the main attention is paid to problems of results from effective triggering signal for sample and hold operation. The obtained results allow for designing a peak detector construction as an alternative for costly and very complex fast acquisition systems based on ADC and FPGA technologies.
Źródło:
Metrology and Measurement Systems; 2020, 27, 2; 203-218
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Peak detection unit for Free-Space-Optics receiver
Autorzy:
Achtenberg, Krzysztof
Mikołajczyk, Janusz
Szabra, Dariusz
Prokopiuk, Artur
Bielecki, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/221334.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
peak detection
infrared receiver module for optical communications
open path laser communications
free space optics
quantum cascade laser
Opis:
The paper presents verification of a peak detection method cooperating with infrared radiation detector module applications. The work has been divided into parts including SPICE simulations and presentation of results obtained with the constructed prototype. The design of the peak detector dedicated to applications with very short pulses requires a different approach than that for standard solutions. It is mainly caused due to the ratio of pulse width and time period. In the described application this ratio is less than 10%. The paper shows testing of an analogue circuit which is capable to be inserted in these applications.
Źródło:
Metrology and Measurement Systems; 2019, 26, 2; 377-385
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optical Wireless Communications Operated at Long-Wave Infrared Radiation
Autorzy:
Mikolajczyk, Janusz
Szabra, Dariusz
Prokopiuk, Artur
Achtenberg, Krzysztof
Wojtas, Jacek
Bielecki, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/226104.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
optical wireless communication
free space optics
quantum cascade lasers
optoelectronics
telecommunications
Opis:
This paper presents some construction analysis and test results of a Free Space Optics system operating at the wavelength of 9.35 μm. In the system, a quantum cascade laser and a photoreceiver with mercury cadmium telluride photodetectors were used. The main parameters of these elements were discussed taking into account a data link operation. It also provides to determine a data range for various weather conditions related to scattering and scintillation. The results of numerical analyses defined the properties of currently available FSO technologies working in the near infrared or in the short infrared range of spectrum versus the performances of the developed system. The operation of this system was verified in three different test environments. The obtained results may also contain important issues related to the practical application of any FSO system.
Źródło:
International Journal of Electronics and Telecommunications; 2020, 66, 2; 383-387
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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