Through the dynamic property model test for Wan'an Project's guide wall, the installation of exciter and test method for oscillating mode are studied.
结合万安导墙模型动态特性试验，研究了激振器的安装和模态测试方法。对容易出现的不利因素的影响，提出了相应的解决方法。
In a Y7 test airplane, the cabin noise is analogized by an exciter to structure-borne noise and by a loudspeaker to air-borne noise.
在一架运七试验机上，激振器和扬声器分别被用来模拟由螺桨旋转在舱内引起的结构和气动噪声。
In a Y7 test airplane, the cabin noise is analogized by an exciter to structure-borne noise and by a loudspeaker to air-borne noise.
在一架运七试验机上，激振器和扬声器分别被用来模拟由螺桨旋转在舱内引起的结构和气动噪声。
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