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Radar and communications are two different applications of radio waves.
For radar, directional antennas are used, and the normal antenna for a ship installation would be a parabolic reflector with a rectangular aperture about 5 times wider than its height. This gives a narrow beam in the horizontal direction, and pulses are sent out and detected after being reflected by the target.
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What is a weather radar?
A weather radar is a type of radar used to locate precipitation, calculate its motion, estimate its type (rain, snow, hail, etc.), and forecast its future position and intensity.
What is the Radar used to eliminate clutter in navigational application?
tracking radar
Who made the radar?
As far as I know, radar was invented by a Hungarian scientist named Zoltan Bay. That radar was first used in World War II by the British troops.
What is the radar for?
Radar is used to detect concentrations of water droplets in the atmosphere, which tells meteorologists where rainfall, snow and hail are occurring.
Which type of communication systems are used nowadays?
Like Facebook,texting,twitter,and other social media sites.
