Echo ranging Clause Samples
The 'Echo ranging' clause defines the use of sound waves to determine the distance to an object by measuring the time it takes for an emitted sound pulse to reflect back from the object. In practice, this clause applies to technologies such as sonar or ultrasonic sensors, where a device sends out a sound signal and calculates distance based on the echo's return time. Its core function is to provide a reliable, non-contact method for measuring distances, which is essential in navigation, object detection, and various industrial applications.
Echo ranging. It is possible to measure the distance of a target that has given rise to a specific echo if we know the speed of sound in the medium of interest as well as the time for the echo of the transmitted ultrasound pulse to return to the transducer. This relationship is described by
(1) where t is the total time from the transmission of the pulse until its echo is received, d is the distance from the transducer to the target and c is the speed of sound in the medium of interest. Rearranging (1) gives us for the distance where the speed of sound in human tissues is 1540 m s-1.