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多年来,麦克风的一个设计理念涉及到炭粒的使用。入射的声波在颗粒上产生的各种不同的压力,从而产生一个输出电信号。本文利用声信号模拟,研究这样一个装置的组成部分,并确定其特性。
For years, one of the design concepts for the microphones involved the use of carbon particles. The incident sound waves generate a variety of different pressures on the particles, producing an electrical output signal. This article uses acoustic signal modeling to study the components of such a device and determine its characteristics.