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时延估计是超声流量计设计中的关键算法。该文详细介绍了基于定点DSP芯片TMS 320VC5509A的矿用超声流量计设计中所采用的时延估计算法的实现方法。实测表明,该方法具有精度高、实时性强、稳定性好等优点,对超声流量计的设计工作提供了有力支撑。
Time delay estimation is the key algorithm in ultrasonic flowmeter design. This paper describes in detail the implementation method of time delay estimation algorithm used in the design of mine ultrasonic flowmeter based on fixed-point DSP chip TMS320VC5509A. The experimental results show that this method has the advantages of high precision, good real-time performance and good stability, which provides strong support for the design of ultrasonic flowmeter.