关键词： 超声多普勒；胎儿监护；前置电路；解调；灵敏度 [gap=7891]Key words: Ultrasound Doppler; fetal monitoring; front end circuit; demodulation; sensitivity
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前置放大电路 Data acquisition ; pre-amplifier circuit
前置驱动电路 [电子] predrive circuit
内置前沿消隐电路 leading edge blanking ; LEB
唱机前置放大器电路 Phono Preamplifier
前置放大电路中主封闭 MAIN INST
接收机前置放大器电路 receiver preamplifier circuits of
集成电路前置放大器 integrated-circuit preamplifier
医用前置放大电路 preamplifier circuit for medical instruments
点火提前装置输入电路 timing advance input circuit
Charge amplifier circuit is the most important in the pre-circuit,which will directly effect on the signals.
将传感器与前置电路相连接构成传感系统中信号产生部分。 第一级电荷放大电路在整个前置电路中起着至关重要的作用,它性能的优劣将最直接的影响到信号的采集。
参考来源 - PVDF压电薄膜传感器的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
将静电计置于电压模式，然后打开外部反馈，就把反馈电路从内部网络切换到连在前置放大器输出端的外部反馈网络上。
Placing the electrometer in the volts mode and then enabling external feedback switches the feedback circuit from an internal network to a feedback circuit connected to the preamp output.
为了提高前置级的共模抑制能力，采用了共模信号的抑制电路—右腿驱动和浮地跟踪。
The design adopts the circuit for constraining the in-phase signal, in order to improve the system's CMRR.
比较器是前置放大器与动态锁存器组成的开关电容电路。
It is a switch capacitor circuit which consists of the preamplifier and dynamic latch.
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