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Common applications of radar
The advantage of radar is that it can detect long-distance targets both day and night, and is not blocked by fog, clouds and rain. It has the characteristics of all-weather and all-weather, and has a certain penetration ability.


Propagation characteristics of ultrashort wave
Compared with other communication methods, ultrashort wave communication has its remarkable characteristics. Ultrashort wave communication uses line-of-sight propagation mode, which is more stable than shortwave sky wave propagation mode. It is affected by seasonal and day-night changes. Small antennas have small size, simple structure and high gain Directional antenna.


Ultrashort wave communication
Communication using radio waves in the 30-300 MHz band to transmit information. Because the ultrashort wave has a wavelength between 1 and 10 meters, it is also called meter wave communication. The bandwidth of the entire ultrashort wave is 270 MHz, which is 10 times the width of the shortwave band.


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