理论声学 [
lǐ lùn shēng xué]
theoretical acoustics
- 本文表明铁路噪音的定价可以利用已有的关于定价理论和声学方面知识来进行估计。
This paper shows that railway-noise charges can be estimated using already obtained knowledge of monetary and acoustical noise evaluation. - 利用升力面理论和声学方法得到的离散谱噪声的预报公式,对螺旋桨直径、侧斜、纵倾变化对离散谱噪声的影响作了数值计算,并得到了工程上有实用意义的结果。
Using a combination method of the lifting surface theory and acoustic technique, the effects of different diameters, skews and rakes on the discrete noise of the propeller are studied by the numerical method and some useful results for engineering are presented in this paper. - 一些基本的声学理论关于:共鸣体、声源和声源滤波的概念。
Some Basic Acoustics of Resonators and Sources, Source-filter Concepts.
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