多次反射的回波 multiple reflection echo
波的反射和折射 reflection & refraction
雷达波反射力强的物标 radar conspicuous object
波的反射 reflection of wave ; wave reflection
波的反射与折射 reflection and refraction of wave
任何补偿这类初始脉冲畸变的处理，都能改善反射波的质量。
Any process that will compensate for such distortions of the initial pulse should improve reflection quality.
阐述了简化后的大面积采空类型相应地震反射波的运动学和动力学特征规律；
Secondly, the type of large mining area is simplified, and its kinematic and dynamic characteristics of reflection are expounded.
本文报道在叶绿素溶液中用简并的四波混频得到位相复共轭后向反射波的首次实验。
In this paper, the first experiment of generating the phase conjugated backward wave by degenerate four-wave mixing in chlorophyll solution is reported.
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