This paper presents the design of a bi-directional, dual CP antenna at S band. It is a two layer structure and reactive coupling is used to excite the antenna.

In this paper, an inverted AMOS directional antenna working at 5.8GHz with a simple feeding structure is designed. The beam width of the inverted AMOS antenna is 75.9 degree. The antenna is simulated, ...

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Effective management of severe hemorrhage remains a critical clinical challenge, necessitating advanced hemostatic materials capable of rapid fluid absorption and enhanced coagulation. Here, we ...