The measuring system, possessing advantages of highprecision and real time measurement, by using modern optics, opto-electronic technique and microcomputer is also described.
The measurement of mud-water interface by using ultrasonic is a measuring technique with highprecision and low cost.
利用超声波测量淤泥界面是一种精度较高,费用低廉的测量技术。
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Abstract: The high accuracy time interval measurement is a key technique to pulsed laser ranging. Therefore, a new highprecision time interval measurement method is proposed.