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介绍基于极性相关理论的相关流量计。它由正弦波超声传感器和以8098为主体的信号处理部分构成,利用HSI高速输入中断采样越零信号,使采样和运算同时交替进行,加快运算速度,并通过对积分时间、T_(max)搜索范围和滤波参数的调节,使仪表具有最佳的稳定性和灵敏度。
Introduce the relevant flowmeter based on the theory of polarity. It is composed of a sine wave ultrasonic sensor and a signal processing part mainly composed of 8098. The HSI high-speed input interrupts the sampling of the zero-crossing signal so that the sampling and the operation are alternated at the same time to speed up the operation. The integration time, T max search The adjustment of the range and the filtering parameters makes the instrument have the best stability and sensitivity.