digital modulation

• 数字灯,数字调制

digital modulation的用法和样例：

例句

1. The main purpose is to study further in the constant envelope and Quasi-constant envelope modulations with high modulation efficiency.
   主要研究适合深空信道传输的具有恒定或准恒定包络的高效数字调制方式与直接序列扩频相结合的组合调制解调方式。