Abstract: In the space situation awareness task, high-quality imaging of space targets is the premise of completion of subsequent target orbit determination, cataloging, tracking, and other links. The ...
Abstract: This communication proposes a radiation pattern reconfigurable circularly polarized antenna based on liquid dielectric. The antenna consists of a circularly polarized feeding antenna and a 3 ...
President Donald Trump’s recent comments about fraud in Minnesota has given the issue national attention. But the Minnesota Star Tribune has covered the issue for more than a decade. Investigators ...
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