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
- semaphore
- Semara
- sematic color
- Semele
- sememe analysis
- sememe matrix
- semen
- semen collection
- semen cryopreservation
- semen deposition
- semen dilution
- semen freezing
- Semen Isaakovic Girsanov
- semen lepidii
- semen preservation
- semen preservation at normal temperature
- semen quality of domestic fowl
- SEMF
- SEMG
- semi
- semi-
- semi-Abelian category
- semi-Abelian p-group
- semi-absolute invariant
- semi-active control