工学 过采样型数据转换器 释 sample and hold circuit 采样保持电路 采集模拟输入电压在某一时刻的瞬时值，并在模数转换器进行转换期间保持输出电压不变，以供模数转换的电路。又称采样保持放大器。
计算机应用 计算机控制 释文 sample and hold circuit 采样保持电路
- active articulator
- active atmospheric remote sensing
- active atom
- active attack
- active aurora
- active autofocusing
- active backplane
- active binary
- active bio-fertilizer
- active block theory
- active brazing
- active bridge
- active carbon
- active carbon; activated charcoal
- active carbon fiber
- active carbon filter medium
- active carbon trap
- active cavity
- active cavity radiometer
- active center
- active center of gravity control
- active centre
- active chromosphere
- active chromosphere binary
- active chromosphere region