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Phase stepping methods based on PTDC for Fiber-Optic Projected-Fringe Digital Interferometry

✍ Scribed by Zhang Chao; Duan Fa-Jie


Book ID
113831806
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
938 KB
Volume
44
Category
Article
ISSN
0030-3992

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A novel digital active homodyne demodula
✍ Xiujuan Feng; Chunxi Zhang; Sheng Liang; Chuansheng Li; Chaoyang Zhang πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons 🌐 English βš– 473 KB

## Abstract A novel digital active homodyne demodulation scheme to eliminate the signal fading in interferometric fiber‐optic sensors is proposed. The error signal is obtained by the square‐wave phase modulation and then the digital correlation detection technique is applied to demodulate the low‐f