What is radar?

Radar, a transliteration of radar in English, is derived from the abbreviation of radio detection and ranging, which means "radio detection and ranging", that is, using radio methods to find targets and determine their spatial positions.

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Application of radar

The advantage of radar is that it can detect long-distance targets day and night, and is not blocked by fog, cloud and rain.

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Band division of radar

The first electromagnetic wave length used for search radar was 23cm, which was defined as L-band (the prefix of English long). Later, the central wave length of this band became 22cm.

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Working principle of radar

The role of radar is similar to that of eyes and ears. Of course, it is no longer a masterpiece of nature.

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Composition of radar

The specific uses and structures of various radars are different, but the basic forms are the same, including transmitter, transmitting antenna, receiver, receiving antenna, processing part and display.

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The origin of radar

The emergence of radar is due to the urgent need for a radar (Technology) that can detect metal objects in the air during the war between Britain and Germany during World War I, which can help search for German aircraft in the anti air raid war.

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Introduction to radar

Radar was invented through bats. It is a transliteration of radar in English, which comes from the abbreviation of radio detection and ranging, which means "radio detection and ranging"

2022/04/25

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