As a step toward a lightweight, multifunction radar for rotorcraft, Northrop Grumman will demonstrate a compact anti-brownout sensor using millimeter-wave active-array technology under a $33.2 million contract from the U.S. Defense Advanced Research Projects Agency. To be demonstrated in 2014, the Multifunction Radio Frequency (MFRF) sensor will use silicon-germanium transmit/receive tiles arranged in modular sub-arrays that will be combined to produce an active, electronically ...


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