That properties of noncontacted measured liquid made liquid level measurement by lamb wave can be used for accurate measurement of liquid level in sealed container.
利用兰姆波进行液位测量,有不接触待测液体的特点,可用于密封容器内液位的準确测量。
The transmission rule of the lamb wave in the structure of the flexible joint is discussed, and the ultrasonic pulse echo is analyzed in the time-field and frequency-field.