[2] [2] Cheng H C, Lo Y L. Arbitrary strain distribution measurement using a genetic algorithm approach and two fiber Bragg grating intensity spectra ［J］. Opt. Comm., 2004, 239(4-6): 323-332.

[3] [3] Wong A C L, Childs P A, Peng G. Multiplexed fiber Fizeau interferometer and fibre Bragg grating sensor system for simultaneous measurement of quasi-static strain and temperature using discrete wavelet transform ［J］. Measurement Science and Technology, 2006, 17(2): 384-392.

[4] [4] Jr Ivo M Raimundo, Narayanaswamy R. Simultaneous determination of relative humidity and ammonia in air employing an optical fibre sensor and artificial neural network ［J］. Sensors and Actuators B, 2001, 74(1-3): 60-68.