Jia-shuang FENG, Wei WANG, Xiong-xing ZHANG, Hai-bin CHEN, Zi-long GUO, Jia-xin SHEN, Jun-ying ZHANG. Combined Interrogation Algorithm of Amplitude Normalization and Minimum Mean Square Error for Fiber-optic Fabry-Perot Sensors[J]. Acta Photonica Sinica, 2020, 49(9): 0906002
- Acta Photonica Sinica
- Vol. 49, Issue 9, 0906002 (2020)
Fig. 1. Structure of a typical fiber-optic FP sensor
Fig. 2. Flow chart of MMSE algorithm
Fig. 3. Reflected spectrum of fiber-optic FP sensor
Fig. 4. Amplitude normalization of the signal
Fig. 5. Demodulation simulation of the N-MMSE algorithm
Fig. 6. A white light interrogation system for the cavity length extraction of fiber-optic FP sensors
Fig. 7. Cavity length measurement with temperature increasing
Fig. 8. Measurement experiment of cavity length resolution
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