Finally the performance of the electret microphone tester is described.
最后简要介绍了该驻极体传声器测试仪所达到的性能指标。
The electret microphone is a new microphone which is made with the electret material.
驻极体传声器是一种用驻极体材料制造的新型传声器。
The electret microphone tester is used to test electret microphone's sensitivity and frequency response.
驻极体传声器测试仪是用来测试传声器的灵敏度及频率响应的。
This paper discussed the circuit model of a electret microphone and the conventional microphone preamplifiers.
分析了驻极体传声器的电路模型及其传统的前置放大电路。
In combination with its excellent mechanical property, it is possible that ETFE is used as electret diagram of the electret microphone.
组合ETFE突出的力学性能，使其有望作为驻极体声传感器的储电振膜。
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。
Theoretical evaluation and simulation experiments show that the improved BP neural network can effectively detect the image feature of electret condenser microphone.
理论分析和实验均表明该算法能实时有效地检测出驻极体麦克图像的特性。
It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals.
该电路涉及到放大、滤波、电平抬升等电路，并给出了安全设计问题，利用驻极体电容传声器来拾取心音信号。
The ASTATIC 901 is a superior low noise, electret condenser cardioid surface mounted boundary microphone.
在无定向901是一个卓越的低噪音，表面贴装电容式心形话筒的边界。
The ASTATIC 901 is a superior low noise, electret condenser cardioid surface mounted boundary microphone.
在无定向901是一个卓越的低噪音，表面贴装电容式心形话筒的边界。
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