Ultrasonic method for oil film thickness measurement is discussed in this paper, including the pulse echo method and the continuous wave method.
本文对超声波油膜厚度测量法进行了探讨。它包括脉冲反射法和连续波法。
The importance of analyzing and processing continuous wave (CW) signals is described. The method of determining the performance of the CW signals frequency is introduced.
叙述分析处理连续波（CW）信号的重要性，并介绍测定CW信号频率特征的方法。
Based on linear frequency modulation continuous wave (FMCW) technique, we have developed a distance measurement method for non contact and non integrating error measurement.
给出一种以频率调制连续波（FMCW）技术为基础的进行无接触、无累加误差和较大动态范围距离测量方法。
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