context: Radar (Radar) is a system that uses electromagnetic waves to recognize the distance, height, direction, and speed of fixed and moving objects such as planes, ships, wagons, weather, and terrain shape </b>. The transmitter sends out radio waves that are reflected by the target and recognized by the receiver. The waves that return to the receiver are weak, so the receiver amplifies these waves, making it easier for the detectors to distinguish the waves that are transmitted by him from other waves, such as sound waves and light waves. The detector is used in many areas such as meteorology to know the timing of precipitation, and weather monitoring, and by the police to detect excess speed, and finally the most important use in the military field. Radar was given this acronym for RA <b> dio D </b> etection A </b> nd R anging (English pronunciation: / reɪˈdioʊˌ dəteˈkʃən ən (d) reɪˈnʤiŋ /). [1] [2 ] [3] [4]
question: What is radar?
answers.text: system that uses electromagnetic waves to recognize the distance, height, direction, and speed of fixed and moving objects such as planes, ships, wagons, weather, and terrain shape </b>. The transmitter sends out radio waves that are reflected by the target and recognized by the receiver. The waves that return to the receiver are weak, so the receiver amplifies these waves, making it easier for the detectors to distinguish the waves that are transmitted by him from other waves, such as sound waves and light waves. The detector is used in many areas such as meteorology to know the timing of precipitation, and weather monitoring, and by the police to detect excess speed, and finally the most important use in the military field. Radar was given this acronym for RA <b> dio D </b> etection A </b> nd R