具有更高效率的空间行波管包络跟踪概念

IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-07-17 DOI:10.1109/IVEC.2014.6857484

F. André

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摘要

空间行波管的高效率要求可以通过包络跟踪来解决。在我们这里描述的新概念中，波束电流是由调制信号的瞬时包络功率所控制的。冷阴极的新技术可以在未来实现这种电流调制。在此，我们评估了包络跟踪概念对不同调制方案的好处。

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Envelop tracking concept for space TWTs with higher efficiency

The high efficiency requirements for space TWTs can be addressed by envelop tracking. In the new concept we describe here the beam current is commanded by the instantaneous envelop power of the modulated signal to be amplified. New technologies of cold cathodes could enable such current modulation in the future. Here we assess the benefits of envelop tracking concept for different kinds of modulation scheme.

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IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference

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