The phase detecting is very important in resistivity well logging technology.

复电阻率相位检测技术是目前复电阻率测井技术发展的方向.

互联网

Principles of synchronous phase detecting and digital servo for rubidium atomic frequency standards ( RAFS ) were discussed.

利用该数字伺服系统,实现了 铷 原子频标的闭环锁定,短期稳定度指标达到一般商品 铷 钟水平.

互联网