释义 |
pulse echo短语¹³¹⁶²⁰⁺³ 基本例句 脉冲回波 It is introduced that a kind of large dynamic range laser pulse echo power measurement system. 介绍一种大动态范围激光回波功率线性测量系统。 cnki The transmission rule of the lamb wave in the structure of the flexible joint is discussed, and the ultrasonic pulse echo is analyzed in the time-field and frequency- field. 本文首先分析了板波诱发纵波在柔性接头构件中的传播规律,对原始回波信号进行时域和频域分析。 cnki The method is based on Pulse echo characteristic in oil film. Separatingone pulse echo from reflected pulses, the oil film change is demonstrated. 其基本原理是超声波在油膜层中的反射波中分离出一条与油膜厚度的变化同步变化的反射脉冲井进行处理以显示油膜厚度。 cnki |