基于定点DSP的矿用超声流量计时延估计算法的实现

Implementation of Time Delay Estimation Algorithm of Ultrasonic Flowmeter in Coal Mine Based on Fixed Point DSP

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（TDE） is the key algorithm of ultrasonic flowmeter.A TDE algorithm is proposed in this paper,which can be applied to the ultrasonic flowmeter in coal mine,based on the fixed point DSP chip TMS320VC5509A.The experimental results show that the proposed algorithm has some advantages such as high precision,strong real-time signal processing ability,good stability and so on,which is beneficial to the design of ultrasonic flowmeter.