While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

Abstract: The conventional sector beam antenna array used in communication system suffers from the reduced signal strength as its distance to the receiving terminal gradually increases. In response to ...

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Two National Guard members were shot in broad daylight on Wednesday — allegedly by an Afghan national who once assisted U.S. forces — in what officials described as a “targeted” attack just blocks ...

Abstract: This paper presents the design of a microstrip line-fed substrate-integrated waveguide (SIW) ring antenna designed to excite a sixth-order circularly polarized conical radiation pattern.