The low-voltage driving circuit is adopted to drive a piezoelectric ceramic phase shifter to shift the phase of the reference beam, so as to make the instrument lighter, smaller and cheaper.
采用低压驱动电路驱动压电陶瓷相移器对参考光束进行相移，从而使仪器质量减轻、体积缩小、成本降低。
With a new combining method of optics and electronics, a device based on a multi-beam optical sensor and a photoelectric sensing circuit was setup.
利用光学和电子学结合的方法，建立了基于多光束光学传感器和光电检测电路的检测薄膜特性装置。
This paper uses an object telecentric beam path in a diameter measurement system, designs a data acquisition circuit , and presents a accuracy measure method with polynomial interpolation.
设计了数据采集电路 ，把物方远心光路应用在测径系统中 ，提出了一种利用多项式插值精确测量物体尺寸的方法。
The laser beam modulation frequency has been increased to achieve better accuracy. The circuit has been designed in a simple manner to reduce unexpected error and debugging complexity.
采用同相放大电路成功实现了对微弱调制光电信号的接收，并采取简单但行之有效的方法滤除了偏置电压引入的噪声干扰；
The laser beam modulation frequency has been increased to achieve better accuracy. The circuit has been designed in a simple manner to reduce unexpected error and debugging complexity.
采用同相放大电路成功实现了对微弱调制光电信号的接收，并采取简单但行之有效的方法滤除了偏置电压引入的噪声干扰；
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