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.
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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