The result showed that there is a turn point on the ultrasonic attenuation curve.
试验结果表明，豆乳在凝固超声衰减曲线上有一明显转折点即凝固初始点。
PID parameter tuning is performed based on attenuation curve to achieve the best control state.
采用衰减曲线法对被控对象进行PID参数整定，以达到最佳的控制状态。
The adaptive law was obtained from similarity PID parameters determined by the attenuation curve method.
该方案采用衰减曲线法进行换算PID参数整定，获得自适应调节律。
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