A Synchronization method and apparatus for the OFDM systems includes three portions of delay conjugate multiplication, phase processing, and edge detection.
一种正交分频多工系统之同步方法与装置，主要包含延迟共轭相乘、相位处理，以及边界侦测三个部分。
Aiming at the existing problem in harmonics measurement of power system, the paper (presented) a collecting method based on frequency multiplication phase-locked.
针对电力系统谐波测量方法存在的问题，提出了一种基于锁相倍频采集方法。
The industrial grating signals can be digital frequency multiplication with a phase-locked loop (PLL) controlled by a microcomputer.
用微型计算机控制锁相环(PLL)可对计量光栅信号进行数字倍频。
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