Therefore, the WKB method is useful in the non - even wave guide.

因此，可以把WKB方法直接用到非均匀波导中。

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Sound insulation of sound-isolating and decoupled tiles covered on the outside surface of pressure hull is studied based on the theory of non-uniform wave guide.

采用非均匀波导理论研究了敷设于耐压壳体外表面的隔声去耦瓦的隔声特性。

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Then, the sound insulation of sound-isolating and decoupled tile is studied based on the theory of non-uniform wave guide.

运用非均匀波导理论对隔声去耦瓦的隔声性能进行了研究。

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