APPARATUS AND METHOD FOR ATTENUATING CLOSE-RANGE RADAR SIGNALS IN AN AUTOMOTIVE RADAR SENSOR
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United States of America Patent
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Sep 30, 2015
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Sep 30, 2015
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A radar system and method include a first transmitted radar signal having a first frequency and a second transmitted radar signal having a second frequency different from the first frequency. A receiver receives reflected radar signals generated by reflection of the transmitted radar signals and generates receive signals indicative of the reflected radar signals, a first receive signal being indicative of a first reflected radar signal generated by reflection of the first transmitted radar signal, and a second receive signal being indicative of a second reflected radar signal generated by reflection of the second transmitted radar signal. A processor receives the first and second receive signals and computes a difference between the first and second receive signals to generate a difference signal, the processor processing the difference signal to provide radar information.
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