"Radar is an acronym for Radio Detection and Ranging. The term ""radio"" refers tothe use of electromagnetic waves with wavelengths in the so-called radio waveportionof the spectrum, which covers a wide range from 104 km to 1 cm.Radar Systen is an object detection system that uses electromagnetic waves toidentify the range, altitude, direction, or speed of both moving and fixed objectssuch as aircraft, ships, motor vehicles, weather formations, and terrain etc.Radar Glossary provides comprehensive list of terms related Radar and related terminologies."