Distance determination based on dual frequency method with phase correction

Yu. V. Shulgina,P. V. Sorokin,M. A. Kostina, E. M. Shulgin,Ya. V. Rozanova

2017 INTERNATIONAL SIBERIAN CONFERENCE ON CONTROL AND COMMUNICATIONS (SIBCON) PROCEEDINGS（2017）

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摘要

Acoustic method of distance measurement with use of signal of two different frequencies is described in the article. Application of phase correction allows increasing accuracy of measurement by more than 4 times.

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关键词

ultrasound, depth-gauge, comparator, waveguide propagation, echo-impulse, measurement error, locator

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