The demodulation in distributed sensor system is a difficulty. The optical wavelet filter is designed to improve imbalanced and nonlinear optical signal efficiently and the optical wavelength absolute code is completed.

• 针对分布式传感系统中的解调问题 ,设计了光学小波滤波器 ,有效地改善了非平衡、非线性光学信号的干扰 ,实现了光学波长绝对编码。