流量的测量在工业领域具有广泛的应用，随着传感器技术，微电子技术、单片机技术的发展，为流量的精确测量提供了新的手段，对流量检测技术的研究具有现实意义。-Flow measurement is widely used in the industrial field, with the sensor technology, microelectronics technology, computer technology, provides a new method for accurate measu