1)  shell of crystal oscillator
晶振外壳
1.
Of the defects detection system of the shell of crystal oscillator,obtaining high quality preprocessed image is prerequisite to correctly verify the defects.
在晶振外壳缺陷检测系统中,正确识别缺陷的前提条件是得到高质量的预处理图像。
2)  crystal oscillator
晶振
1.
This paper presents a new method of implementing the highly accurate clock by the synchronization of crystal oscillator clock with the GPS clock, which is based on the complementation of the accuracy of the GPS and crystal oscillator.
根据全球定位系统(GPS)时钟信号和晶振时钟信号精度互补的特点,提出了一种利用GPS时钟同步晶振信号实现高精度时钟的新方法。
2.
Aiming to the problems existing in the applications of clocks received via global position system(GPS)receiver or generated by crystal oscillator,clock error models are respectively established.
针对全球定位系统(GPS)接收机输出时钟和晶振时钟在实际应用中存在的问题,建立了相应的误差模型,在误差估计的基础上,提出了一种全新的高精度同步时钟产生方法。
3.
In order to solve the problem of measuring the vacuum degree in vacuum packaged MEMS devices,crystal oscillator has been used as the sensor to measure the vacuum degree.
为了解决MEMS器件真空封装内部真空度测试难题,提出采用晶振作为传感器来对内部真空度进行测量,设计并研制了一套基于晶振传感的真空度测量系统。
3)  oscillator
晶振
1.
Because of the drift of the oscillator and the different initial start-up time, all the local clocks in the network are not synchronized, the data based on the local clock timestamp cannot by synchronized.
然而由于节点晶振的频率偏差和不同的初始计时时刻,网内节点的本地时钟不同步,这使得根据本地时钟标记的数据不能保持同步。
4)  crystal sealing
晶振封焊
5)  shell of crystal oscillator
晶振帽
6)  Crystal oscillator
晶振芯片
参考词条
补充资料：点振子振动和点电极振子振动
分子式：
CAS号：

性质：又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内，形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积，且与厚度有适宜的匹配关系。在交变电场作用下，沿厚度方向产生振动，其振幅随着至电极中心距离的增加，呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄，有时考虑到压电陶瓷自身强度太低，可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。