CAJ | 학술논문

介绍基于差动电容设计的电容式微位移传感器的工作原理,对检测电路的输入和输出关系进行了详尽的推导,确定使用直接数字合成技术(DDS)研制的正弦激励源电路,并运用 maltab-simulink 进行仿真数据,结果表明,幅值稳定度可达到0.000001 V,频率稳定性达到0.0001 Hz,该系统解决了以往正弦电路中幅值稳定度和高频时频率稳定度差的问题,提高了海洋重力仪的观测精度。
개소기우차동전용설계적전용식미위이전감기적공작원리,대검측전로적수입화수출관계진행료상진적추도,학정사용직접수자합성기술(DDS)연제적정현격려원전로,병운용 maltab-simulink 진행방진수거,결과표명,폭치은정도가체도0.000001 V,빈솔은정성체도0.0001 Hz,해계통해결료이왕정현전로중폭치은정도화고빈시빈솔은정도차적문제,제고료해양중력의적관측정도。
The principle of capacitive micrometer developed with differential capacitance is systematically introduced and computed through deriving the relationship between input and output.The sinusoidal excitation source using the Direct Digital Synthesis technology is set up in Simulink simulation system.The simulation results shows that amplitude stability and high frequenty stability achieve to 0.000 001 V and 0.000 1 Hz.It is better than past,Moreover,it has increased the precision of marine gravimeter.