Depth of investigation in sonic logging is studied based on wave acoustics.
从波动声学的角度讨论声波测井的探测深度问题.
The former graphic method applied in architectural acoustics can only solve the problem of the reflecting sound wave with the sound reflecting board in special positions.
以往建筑声学图解法,只能解决特殊位置反声板的声波反射问题。
Keywords: acoustics, muffler , transfer matrix, plane wave.
关键词: 声音 、 消音器、传输矩阵 、 平面波.
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