| 1. | In the transmiting port , optical encoder turns data bits into spread spectrum sequences , then , optical decoder retverts it to data bits with the theory of correlation decoding in the receiving port 在发送端光编码器将数据比特转换成扩频序列,在接收端光解码器利用相关解码原理将扩频序列恢复为数据比特。 |