介绍了靶式流量传感器的工作原理，对小流量流动流量系数的变化提出了修正方法并研制了智能型小流量测量的靶式流量计。
The principle of target flow-meter was introduced and design the intelligent small-flow target flow meter based on a modification method of flow coefficient shifted with small-flow.
温度和压力传感器采集现场温度、压力信号并经A/D转换器转换成数字量用于对现场天然气流量进行温度、压力修正；
The temperature and pressure sensor gathered on-the-spot temperature and pressure signal, and A/D converter converted analog signals into digital signals to revise the on-the-spot flow of natural gas;
该修正仪采用微功耗、功能强大的处理器，高速模数转换芯片以及合理化软件设计，提高了流量测量的实时性和准确度。
In this instrument, the micro-power and powerful processors, high-speed analog-digital conversion chip and reasonable software design are adopted to improve measurement accuracy and timeliness.
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