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A Three-Phase PDV Signal-Processing Method that Eliminates the Influence of Acceleration on Determining Velocity

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dc.contributor.authorKazieva, T. V.
dc.contributor.authorTishchenko, I. Y.
dc.contributor.authorReshetov, V. N.
dc.contributor.authorGubskiy, K. L.
dc.contributor.authorPirog, V. A.
dc.contributor.authorКазиева, Татьяна Вадимовна
dc.contributor.authorТищенко, Илья Юрьевич
dc.contributor.authorРешетов, Владимир Николаевич
dc.contributor.authorГубский, Константин Леонидович
dc.contributor.authorПирог, Владимир Андреевич
dc.date.accessioned2024-12-25T14:59:59Z
dc.date.available2024-12-25T14:59:59Z
dc.date.issued2022
dc.description.abstract© 2022, Pleiades Publishing, Ltd.Abstract: The interference method for determining the velocity of objects using direct optical heterodyning (photonic Doppler velocimetry) has become widespread due to the ease of setting up the fiber-optic system, the unambiguous results that it produces, and the wide possibilities for varying the measurement accuracy and temporal resolution. The accuracy of velocity measurements can be fractions of a percent, but there are a number of factors that interfere with this. For example, a change in the velocity of an object, that is, its movement with acceleration, leads to a broadening of the signal spectrum with an increase in the working time window and, as a result, to a decrease, rather than an increase, in the accuracy of measuring the velocity. In this letter, a method is proposed that allows one to compensate for the effect of acceleration on the accuracy of velocity measurement. The proposed model for processing the registered signals makes it possible to determine both the acceleration and the velocity of the object. The applied algorithm made it possible to avoid the expansion of the spectrum with an increase in the time window and to improve the accuracy of measuring the velocity of a freely falling body by an order of magnitude.
dc.identifier.citationA Three-Phase PDV Signal-Processing Method that Eliminates the Influence of Acceleration on Determining Velocity / Kazieva, T.V. [et al.] // Technical Physics Letters. - 2022. - 10.1134/S106378502203004X
dc.identifier.doi10.1134/S106378502203004X
dc.identifier.urihttps://www.doi.org/10.1134/S106378502203004X
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85133194032&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000818628400010
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/28049
dc.relation.ispartofTechnical Physics Letters
dc.titleA Three-Phase PDV Signal-Processing Method that Eliminates the Influence of Acceleration on Determining Velocity
dc.typeArticle
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