Abstract: A 3-D wideband high-gain circularly polarized array antenna with low radar cross section (RCS) is presented in this letter. Its element contains four 3-D radiation structures fed by a ...
Abstract: Since it is difficult to obtain the number of sources accurately in practical situations, direction-of-arrival (DOA) estimation methods without the number of sources are very much needed for ...
Prefer Newsweek on Google to see more of our trusted coverage when you search. As travelers across the U.S. brace for longer airport security lines amid a federal government shutdown, there are 18 ...
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