在典型的通信系统中，调制过程是数字信号加载在载波的幅度值、载波的频率或者载波的相位上。
In the model communications system, the modulation process also is loaded the digital signal in the carrier scope value, the carrier frequency or on the carrier phase.
设计了以C8051F 060混合信号微控制器为核心的全数字信号检测系统，实现其采样信号和调制信号的相位关系保持。
An all digital signal detecting system using C8051F060 as its core was completed. It can maintain the phase relation of sampling signal and modulating signal.
针对火炮指挥系统供电电源高可靠性要求，设计了一种采用相位调制跟踪法的全数字式电源并联系统。
A parallel operation control method based on a modulated phase tracking method was designed for high reliability requirement of uninterrupted power supply used in gun command system.
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