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光纤光栅凭借良好的时/频域特性,迅速成为光码分多址编解码器实现方法的一个重要研究方向,在时域、频域和时/频域二维等编解码方案中都得到了广泛而深入的研究。文中对光码分多址技术及光纤光栅编解码器的原理进行了综述,并对基于光纤光栅的时域相位编解码、频谱相位编解码和时/频域二维编解码这三种编解码方案进行了介绍。
Fiber grating has become an important research direction of optical code division multiple access codec with its good time / frequency domain characteristics. It has been obtained in both time and frequency domain and time / frequency two-dimensional codec schemes Extensive and in-depth research. In this paper, the optical code division multiple access technology and the principle of fiber grating codec are reviewed, and three kinds of coding and decoding of time-domain phase coding, spectrum phase coding and time / frequency domain coding based on fiber grating The program was introduced.