A new signal processing circuit of vortex flowmeter based on variable gain amplifier and digital signal processor (DSP) unit is designed.
设计一种基于变增益运算放大器和DSP数字信号处理单元的新型涡街流量计信号处理电路。
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The principle of multifunction digital gas meter is DE - scribed by means of composing frame, hardware design, software program flow. The circuits of hardware design is introduced in detail.
Because of the request of accuracy and the performance of real time, this ultrasonic flowmeter USES the special data processing chip and digital phase technology.