本系统具有从低真空到高真空，气压测量范围宽、量程自动切换功能，并能实现对真空度的实时控制。
The system's measuring range can be automatically switched from low vacuum to high vacuum, and it has a wide measuring range.
针对工程中高速宽范围转速测量需求，提出了一种基于磁阻传感器的宽量程转速测量方法。
In order to measure the wide range rotation speed in engineering, a kind of rotation speed measurement method based on magnetoresistive sensor is proposed and the circuit is designed.
应用矢量坐标变换的方法理论推导了在大量程范围内测量位移与光程差的非线性关系，给出了解析解与数值解。
The nonlinear relation between light travel distance and measured displacement is (deduced) by vector coordinate transforms, and their analytic and numerical results are given.
应用推荐