The Digital PhaseLock Loop(DPLL)is the core of the coherent demodulation.
数字锁相环路(DPLL)是数字相干解调技术的核心。
2
The phase- locked loop is one kind of control system which is able to achieve phase automatic lock, to compose frequency and to trace demodulation system.
锁相环路是一种能实现相位自动锁定的控制系统,主要用于频率合成及跟踪解调系统。
3
We have mainly researched two FM signal demodulation techniques called Frequency Spectrum Separation and PhaseLock Loop in the first part.