Radar has been a significant RF/microwave technology since the days of World War II. During that time, radar (a shortening of “radio detection and ranging”) proved an invaluable military tool for locating threats and targets and providing advanced warnings of an adversary’s position and direction. The basic operation of a radar system involves transmitting a high-frequency signal (usually a pulsed signal) towards the location of an expected target and receiving signals reflected from said target. By performing signal processing on these radar returns, information can be extracted regarding the target, its position, and its speed...
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