echo wave [电子] 回波
echo wave speed 回波速度
Target Echo Wave 目标回波
echo-wave signal 回波信号
echo wave signal 回波信号
surface echo wave 表面回波
echo wave analysis 回波分析
echo wave modulation 回波调制
ultrasonic echo wave 超声回波
Validity and feasibility of the finite difference time domain method is demonstrated by the echo-wave signal of a flat bottom hole block.
通过与平底孔试块实际缺陷回波信号的对比，验证了脉冲超声波有限差分法模拟计算的有效性和正确性。
But an oak which has fewer but bigger leaves with stronger reflections, produces a jagged wave form, or what we called a rough echo.
但是，橡树的叶子少而又大，反射力较强，会产生参差不齐的声波，或所谓的“粗糙回声”。
High frequency ground wave radar for near ocean inspection and ocean remote sensor is a method that use ocean echo wave Dopier spectrum to deduce the parameters of ocean situation.
高频地波雷达近海监测和海态遥感技术是一种利用海洋回波多普勒谱反演海态参数的方法。
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