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 is a new microphone which is made with the electret material.
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。
This paper discussed the circuit model of a electret microphone and the conventional microphone preamplifiers.
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。
Finally the performance of the electret microphone tester is described.
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。
The electret microphone tester is used to test electret microphone's sensitivity and frequency response.
根据引信保险机构系统特性分析，选择驻极体传声器作传感器，从而获得引信保险机构的状态信号。
Based on the characteristic analyses of fuze arming device, a special acoustic transmission device is selected to obtain the state signal of the device.
驻极体传声器目前主要是民用，单指向性驻极体传声器设计与生产的关键在于内部相移网络的控制。
The normal zero-IF topology with the single quadrature channels is very sensitive to the phase-error of the phase-shift network of LO.
深圳旭升电子有限公司成立于二00二年二月，现已成为国内技术领先、质量最佳、产量最大、服务最优的驻极体传声器专业生产厂家之一。
Shenzhen Xusheng Electronic co. , limited established in Feb. of 2002, now it is one of leading electret microphone producer with high technology, best quality, biggest production in the China.
武进市江南讯响器厂成立于1988年，是一家专业开发。生产。销售蜂鸣器（电磁式&压电式） ，薄型喇叭和驻极体传声器等股份制企业。
Jiangnan acoustic factory was established in 1988 . it is a joint stock company which develops produce and manages buzzer ( magnet buzzer & piezo buzzer ) , mylar speaker and transducer etc.
临床实验表明，利用驻极体传声器基本上能采集到正常的第一、第二心音，但对有病理信息的第三、第四心音却不易正确采集到，这与患者性别和胖、瘦等因素均有关系。
The clinical experiments have indicated that the first and second heart sound can be almost acquired by the microphone, but it is difficult for the third and fourth, w…
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。
It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals.
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.
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