APPROXIMATION ENVELOPES OF QUASI-SINUSOIDAL DIGITAL-ANALOG SIGNALS

Author:

Karasinskiy O.L.ORCID, ,Tesik Yu.F.ORCID,Moroz R.M.ORCID, ,

Abstract

The principle of setting the instantaneous values of signals with smoothed envelopes using first-order basis splines, which is optimal from the point of view of equipment costs and the computing power of a microprocessor is proposed. A computer model of a multiphase generator has been developed with the help of which the principles of stepwise and linear approximation of the signal envelope have been investigated. References 11, figures 5, table 1.

Publisher

National Academy of Sciences of Ukraine (Co. LTD Ukrinformnauka) (Publications)

Subject

Electrical and Electronic Engineering,Energy Engineering and Power Technology

Reference11 articles.

1. EN 61000-4-30:2009. Electromagnetic compatibility (EMC). Part 4-30. Test and measurement methods. Measurement of electricity quality indicators. URL: http://www.loe.ant.lviv.ua/home/dokumenti/gost-dstu?tmpl=%2Fsystem%2Fapp%2Ftemplates%2Fprint%2F&showPrintDialog=1 (accessed 02.09.2021) (Ukr)

2. All about synthesizers DDS. URL: https://kit-e.ru/powersource/vsyo-o-sintezatorah-dds/ (accessed 12.09.2021) (Rus)

3. Dedyukhin A.A. Signal research using spectral analysis of digital oscilloscopes. Equivalent sampling of digital oscilloscopes LeCroy. URL: https://prist.ru/library/stati/issledovanie_signalov_s_primeneniem_spektralnogo_analiza_cifrovyh_oscillografov_ekvivalentnaya_diskr/ (accessed 02.10.2021) (Rus)

4. Akagi H. New trends in active filters for improving power quality. Proceedings of International Conference on Power Electronics, Drives and Energy Systems for Industrial Growth. 1996. Vol. 1. Pp. 417-425. DOI: https://doi.org/10.1109/PEDES.1996.539652

5. Mikhotin V.D., Chuvykin B.V. Using splines for restore discretized signals. Izmereniia, kontrol, avtomatizatsiia. 1982. No 3 (43). Pp.17-24. (Rus)

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