1)  scanner
扫描振子
1.
Because mechanical scanner has a resonance frequency apex in the vibratory range,the paper presents a design that uses selective-frequency amplifier to remove the non-linearity vibration in the vibratory range.
由于机械扫描振子在振动区间存有一共振峰,故提出了采用选频放大器驱动电路消除振子在振动区间的非线性的设计,并应用于演示弦线驻波、共振和李萨如图等实验中。
2)  scan
扫描
1.
The design of a scanning instrument for medical laboratory equipment based on the embedded PC;
基于嵌入式PC的医用检验仪器的扫描装置的设计
2.
Liver Scan using Multiple Detector Spiral CT;
多层螺旋CT肝脏三期增强扫描质量评价的探讨
3.
Laser television with two-beam scanning;
双光束扫描激光电视系统设计
3)  sweep
扫描
1.
Quantitative selection of nonlinear sweep parameters of vibroseis.;
可控震源非线性扫描参数的定量选取
2.
Sweep technique plays an important role in Vibroseis system,the resolution of Vibroseis seismic prospecting is affected by the shape of the sweep signal′s auto correlation function.
扫描技术是可控震源技术的重要组成部分 ,扫描信号自相关函数的形状是影响可控震源地震勘探分辨率的重要因素。
3.
The varying pitch helixes were constructed on the parameter equation,and were selected as sweep trajectory;the surface of the screw was enveloped on the generating method.
设计过程中按推导出的数学方程构造各段螺旋线,并以该螺旋线作为扫描轨迹,遵循范成法原理包络出螺杆的各段螺旋曲面。
4)  scanning
扫描
1.
Distributed Cigarette Case Scanning with OPC Technology;
利用OPC技术实现成品烟发货扫描
2.
Core scanning imaging and the database management system.;
岩心扫描成像技术及其网络数据库管理系统
3.
Study for the detection surface defects of the model by scanning with planar CCD array;
CCD扫描法检测模具表面缺陷的研究
5)  A scan
A扫描
6)  A-scan
A_扫描
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。