Abstract: This letter proposes an angle-multiplexed multifocal method for designing a 2-D beam-scanning transmitarray (TA). The angle-multiplexed method is commonly used to generate orbital angular ...
Fact check: Trump repeats numerous false claims in prime-time address Man charged after missing Tennessee juveniles found in house Multi-state wind event moves into our region Thursday night Taylor ...
Abstract: The instability of the sheet electron beam (SEB) is an essential factor for limiting the power of the SEB traveling wave tube (TWT). To solve this issue, this article proposes a method to ...