Variable-frequenc 变频器
Low Frequenc 低频超声波清洗器
FREQ Frequenc 频率
high frequenc 高频喷涂
High-frequenc 金刚石一样的石墨烯晶体管
control frequenc 控制频率
advertis frequenc 广告频率
acoustical frequenc 声频
cumulative frequenc 积累频率
application frequenc 使用转速
Secondly, the back-scattering′s physical model of laser′s transmission underwater was established, and the back-scattering′s relation with time was gained. Thirdly, the back-scattering′s frequenc…
最后通过代入典型数值的计算，证明了用高通滤波法实现激光雷达的后向散射消除是完全可行的。
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