锁相时钟的英文

phase-locked clock

• 锁:    lock
• 相:    looks; appearance
• 时钟:    clock

例句与用法

1. Based on all these above , two schemes which use digital methods to measure the jitter of a pll clock of 2 . 048mhz are presented and accomplished
   在此基础上，提出并实现了测试一固定频率（ 2 . 048mhz ）锁相时钟抖动的方案。