A few data coding-decoding methods developped recently are reviewed with emphasis on DPSK,MSK,LSI correlator and CCD programable matched filter in spread-spectrum circuits.

• 介绍了扩频通信中数据编码和译码新技术的实现方法及电路组成，重点介绍了DPSK（微分相移键控）、MSK（最小移位键控）、LSI（大规模集成）相关器及CCD（电荷耦合器件）可编程匹配器。