Low cost signal processing scheme of open loop IFOG

Huai Fei Xing*, Shao Kun Han, Shu Fen Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A low cost signal processing of open loop IFOG was described. A phase tracking technique was applied to improve the performance of IFOG. The periodic emendation of the electric components excursion improved the stability of the PZT. A sinusoidal was used as a bias phase modulation wave and the open loop demodulation used the weak signal detection technique. The advantages of this scheme are low cost and easy to realize, and it can satisfy applications to land navigation or position system.

Original languageEnglish
Pages (from-to)790-792
Number of pages3
JournalGuangxue Jishu/Optical Technique
Volume31
Issue number5
Publication statusPublished - Sept 2005

Keywords

  • IPOG
  • Lock-in amplifier
  • PZT
  • Phase demodulation

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