The 36th Guan Gong Cultural Tourism Festival kicks off on Tuesday in Guan Yu's hometown of Yuncheng, Shanxi province. [Photo by Zhu Xingxin/chinadaily.com.cn] This year's Guan Gong Cultural Tourism ...
Abstract: Circularly polarized (CP) radiation is critical in modern wireless communications and radar systems, yet conventional CP antenna designs are often constrained by limited tunability, ...
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