Investigating Measurement Errors in Dual-Frequency Probing Technique by Mathematical Modeling

Результат исследований: Материалы для журналаСтатья

Выдержка

We present mathematical modeling of the process of determining the time coordinate of the moment of arrival of a pulse echo in the dual-frequency probing technique, as well as graphs of the involved measurement error versus the comparator’s discrimination threshold for different ratios of frequencies and distances and ratio of the frequencies of emitted pulses. Mathematical modeling has revealed limiting cases in which the measurement error increases and can reach 3–4%. Analysis of results has made it possible to identify additional requirements for the mathematical processing of received signals to keep the error within 1%.

Язык оригиналаАнглийский
Страницы (с-по)15-21
Число страниц7
ЖурналRussian Journal of Nondestructive Testing
Том55
Номер выпуска1
DOI
СостояниеОпубликовано - 1 янв 2019

Отпечаток

Measurement errors
pulses
arrivals
discrimination
echoes
Processing
moments
requirements
thresholds

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Цитировать

Investigating Measurement Errors in Dual-Frequency Probing Technique by Mathematical Modeling. / Shul’gina, Yu V.; Kostina, M. A.; Soldatov, A. I.; Soldatov, A. A.; Sorokin, P. V.

В: Russian Journal of Nondestructive Testing, Том 55, № 1, 01.01.2019, стр. 15-21.

Результат исследований: Материалы для журналаСтатья

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