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Based on the Spartan 3E evaluation module, a flexible platform for the implementation of different algorithms for A/D conversion was developed. The aim of presented work was to improve the concept of the sampling rate adaptation to the input signal rate of change in terms of practical issues including synchronization of delta codecs. The new, original synchronization method, useful in systems dedicated for transmission of variable duration of bits was proposed and experimentally verified. Performed measures and observations have shown elimination of the synchronization lose phenomenon.
Słowa kluczowe
Rocznik
Tom
Strony
31--36
Opis fizyczny
Bibliogr. 8 poz., rys.
Twórcy
autor
- AGH, University of Science and Technology, Department of Electronics, Cracow, Poland
autor
- AGH, University of Science and Technology, Department of Electronics, Cracow, Poland
autor
- AGH, University of Science and Technology, Department of Electronics, Cracow, Poland
autor
- AGH, University of Science and Technology, Department of Electronics, Cracow, Poland
Bibliografia
- [1] Marvasti F.: Nonuniform Sampling Theory and Practice, Kluwer Academic Publishers, New York, 2001.
- [2] Golański R.: A/D and D/A delta converters with adaptive sampling - methods analysis and performances evaluation, Uczelniane Wydawnictwa Nauk - Dyd. AGH, 2005, pp.181, ISSN 0867-6631.
- [3] Zhu Y.S., Leung W., Wong C.M., Adaptive Non-Uniform Sampling Delta Modulation for Audio/Image Processing, IEEE Trans. on Consumer Electronics, vol. 42, No.4, Nov.1996.
- [4] Golański R.: Study on the dynamic range of delta modulations with time-varying sampling periods. IEEE Signal Processing Letters, vol.11, No.8, 2004, 666-670.
- [5] Stefano Bregni „Synchronization of Digital Telecommunications Networks” John Wiley and Sons 2002.
- [6] Xilinx Spartan - 3E Starter Kit Board User Guide.
- [7] LON technology in wireless sensor networking applications /M. Miśkowicz, R. Golański // Sensors, 2006 vol. 6 pp. 30-48, spec. iss.: “Wireless sensor networks and platforms” /http://www.mdpi.org.sensors/list06.html.
- [8] http://www.cs.ucv.ro/staff/dmancas/CD/en/Dan Manacas, "Data Communications.
Uwagi
EN
The work has been supported by AGH University of Science and Technology grant No 11.11.230.017.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-253e7c96-1727-4f8e-bdf6-4271bd72bbf6