Human bodies are usually described as chemical engines, powered by glucose and oxygen. Yet a wave of new research suggests ...

Abstract: D-band high speed communication applications require an amplifier with broad bandwidth and high power. The vacuum high-power amplifiers, however, exhibit a limitation in bandwidth, while ...

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 ...