Category: Transducers, Sensors, Location, and Navigation

Transducers, Sensors, Location, and Navigation

Sonar

Sonar

Sonar is a medium-range method of proximity sensing. The acronym derives from the words sonic navigation and ranging. The basic principle is simple: Bounce acoustic waves off of objects, and measure the time it...

Radar

Radar

A radar display. The light radial band shows the azimuth direction in which the microwave beam is currently transmitted and received. (Not all radar displays show this band.) The term radar is derived from...