指出了全空气空调系统噪声控制应注意的几个问题，如消声器设置、空调机房及风管传声、噪声叠加等。
Points out the key issues in noise control including the arrangement of sound absorber, noise transmission from machine room and duct and noise superposition.
本文对驻极体电容传声器的原理及噪声作了分析，这将有助于提高它的电特性。
The principle of electret condenser microphone and its noise are analyzed in the paper. It will be helpful to improve the electric specification.
对于铁路客车车内降噪，主要从噪声源和传声途径两个方面采取措施。
To reduce interior noise of a passenger compartment measures are taken in the propagation route and the accepter.
本文通过球面传声器阵列测量法，研究了用于评估通信设备(例如移动电话)的背景噪声重放问题。
Background noise reproduction for the evaluation of telecommunication devices, such as a mobile phone, was investigated using the measurement of spherical microphone arrays.
本文通过球面传声器阵列测量法，研究了用于评估通信设备(例如移动电话)的背景噪声重放问题。
Background noise reproduction for the evaluation of telecommunication devices, such as a mobile phone, was investigated using the measurement of spherical microphone arrays.
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