Theoretical and experimental results show that by using the method of virtual sound signal process the sound image direction distortion caused by nonstandard arrangement can be reduced to some extent.

理论和实验结果表明，通过虚拟声信号处理的方法，可在一定程度上改善扬声器的非标准布置所引起的声像位置畸变。

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In the active structural acoustic control based on radiation modes, the cancellation of the dominant radiation modes and determination of the arrangement of secondary forces are of virtual important.

在基于声辐射模态理论的结构声有源控制中，主导辐射模态的确定及抵消策略是至关重要的，它直接决定次级力源的优化布放及有源控制的效果。

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