Wideband Precision Phase Detection for Magnetic Induction Spectroscopy

Samuel Lyons, Kent Wei, Manuchehr Soleimani

Research output: Contribution to journalArticle

4 Citations (Scopus)
99 Downloads (Pure)

Abstract

Magnetic induction spectroscopy (MIS) has many potential applications in medical engineering as well as industrial and food manufacturing process applications, providing a contact-less impedance measurement. However, the applications of MIS is currently limited due to the high precision of phase detection required over a wide band of frequencies. This paper focuses on phase detection aspect of the MIS. The chosen phase detection method is investigated in depth and a prototype hardware and software is developed. The phase detection system is then tested and compared to other recent MIS system design. The prototype hardware is able to measure the phase difference of signals from 200kHz to 20MHz with milli-radian precision which will significantly enhance the MIS systems.
Original languageEnglish
Pages (from-to)45-51
Number of pages7
JournalMeasurement
Volume115
Early online date12 Oct 2017
DOIs
Publication statusPublished - 1 Feb 2018

Keywords

  • Magnetic induction spectroscopy
  • Phase detection

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

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