在装置硬件电路设计上，大量采用了数字电路技术，如DSP技术、DDS技术、数字电位器技术等。
Many of digital circuit technologies are adopted in the hardware circuit design, such as DSP technology, DDS technology, digital potentiometer technology and so on.
针对现有的电位器拉线式水轮机导叶接力器位移变送装置中存在的接触不良、易磨损、输出信号不可靠的问题进行了分析。
A hydraulic turbine leaf of transmit water current relay machine displacement transmission device is designed based on the principles of capacitance sensor.
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