System for canceling interferers from broadband active sonar sig

System for collecting and processing data relating to moving bod

System for detecting distances using chaotic signals

System for detecting surrounding environmental conditions using

System for detecting the position of an object relative to a man

System for detection of buried objects

System for measurement of the acoustic coefficient of reflection

System for measuring position using electronic or ultrasonic dev

System for providing improved reverberation limited sonar perfor

System for the control of a member for following a moving object

System for transmitting and receiving a periodic pulse train

System for ultrasonically detecting the relative position of a m

Systems and methods for flow measurement