基于电容式传感器空间滤波效应测速原理分析

The basic principle of solids velocity measurement based on spatial filtering effect of capacitive sensor is presented.The theoretical response of capacitive sensor electrodes to permittivity impulse signals is derived, The relationship between the frequency bandwidth of capacitive sensor and solids velocity has been found. At last the method is discussed.

非接触测速测长光电传感器

本文简要叙述了采用空间滤波梳状光电器件进行非接触测速测长的工作原理,介绍了传感器和信号处理电路设计特点及测量精度。