分别采用直接法和模态叠加法，计算声场-结构耦合系统的声压响应水平及其敏度。
The modal frequency response and its sensitivity analysis for the coupled system using the direct method and the eigenmodes.
为了消除这些旁瓣，并得到符合使用者要求的扩散声压响应曲线，本文提出一种实现伪随机序列扩散体群大面积最佳布置方案的布置方法。
This paper presents a method of layout plan of large area pseudorandom sequence diffusers to cut down the diffuse peaks and to meet user's demand.
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