表面肌电信号数字传感器的设计,工控世界网,工控世界网,工业自动化领域专业传媒 关键字： 表面肌电信号;数字传感器;前置放大电路 [gap=593]Keywords: Surface electromyography, Digital transducer, Data acquisition
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关键字： 热释电红外传感器；前置放大电路；红外报警器 [gap=4848]Keywords： Pyriekectric Infrared Sensor； Pre-amplifier Circuit； Infrared Alarm
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前置放大电路中主封闭 MAIN INST
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前置放大器印刷电路板 pre-amplifier printed circuit board
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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.
前置放大电路设计了量程自动切换的电阻反馈式两级放大。
A range automatic transfer is designed for the preamplification system with resistance feedback.
通过对嗓声系数特性的研究，总结了前置放大电路低噪声设计准则。
The noise function of pre - amplifier is also studied. Some low noise circuit design criteria are concluded .
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