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Estimation of the frequency by linear prediction method-search method by using fuzzy reasoning

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4 Author(s)
Konishi, R. ; Dept. of Electr. Eng. & Electron., Tottori Univ., Japan ; Katayama, T. ; Mitsui, S. ; Sasakura, H.

The authors propose the linear prediction (LP) method to estimate the frequency from the relation between LP coefficient and frequency for more than three sinusoidal waves by using the membership function of fuzzy reasoning. As a result of applying this method to three, four, and five sinusoidal waves, respectively, they could obtain good estimation of each frequency. Estimation errors were less than 1% at the range of -5 dB to 10 dB in three sinusoidal waves and at 0 dB to 20 dB in five sinusoidal waves

Published in:

Industrial Electronics, Control and Instrumentation, 1991. Proceedings. IECON '91., 1991 International Conference on

Date of Conference:

28 Oct-1 Nov 1991