数字相关器在通信信号处理中实质是起到数字匹配滤波器的作用，它可对特定码序列进行相关处理，从而完成信号的解码，恢复出传送的信息。-Digital correlator signal processing in the communication play in essence a digital matched filter which it can be related to a specific code sequence processing, thereby completing the decoded signal, the transmission of the recovery information.