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Wyszukujesz frazę "digital signal processing." wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Computer set for processing radio signals
Autorzy:
Szymenderski, J.
Powiązania:
https://bibliotekanauki.pl/articles/97309.pdf
Data publikacji:
2014
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
software defined radio
microcontrollers
programming
electronic design
object-oriented programming
digital signal processing
Opis:
The work relates to digital signal processing of radio frequencies. Developed and implemented a computer program that allows to work with radio signals, ie. filtering, demodulation, strengthening and radio physical system whose task is to match the radio frequency range from 0 to 30 MHz for the possibility of processing them into discrete signal by the analog to digital which is standard equipment on every sound card of the PC. The use of the computer significantly expanded capabilities of the system and provided the ability to preview spectrum radio signal on the basis of which it is possible to assess the type and quality of the received signal.
Źródło:
Computer Applications in Electrical Engineering; 2014, 12; 386-398
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The system of MEMS sensors data streaming and signal quality analysis
Autorzy:
Fabiański, B.
Nowopolski, K.
Wicher, B.
Powiązania:
https://bibliotekanauki.pl/articles/97285.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
MEMS technology
accelerometers
data streaming
digital signal processing
data acquisition
STM32L microcontrollers
Opis:
In the article, a dedicated testing environment for MEMS sensors is presented. The system serve real–time measurements from several, different interfaced sensors, what gives opportunity to collect the data and – furthermore – its off–line analysis. To complete the main challenge what is MEMS ICs integration in one platform, a special hardware layer is applied together with operational algorithms. Two low–level boards are connected to the embedded server by RS–485 lines. This data server translates RS–485 signals and communicates with dedicated PC program by an Ethernet interface. Such a solution made possible to parallel streaming, archive, and analyze of data in a convenient way. The architecture and operational algorithms of individual components, such as complex synchronization methods in the data streaming process is described. Proper system design is verified by presenting selected signal waveforms grabbed in an experimental tests. In the end introduced two signal quality indicators resulting in comparison of different MEMS ICs. Summary table of computed indicators is shown with its analysis.
Źródło:
Computer Applications in Electrical Engineering; 2016, 14; 328-339
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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