Microwave filters with improved power handling capabilities for satellite applications

微波滤波器具有改进的卫星应用功率处理能力

• 批准号: ST/N00230X/1
• 负责人: Graeme Burt
• 金额: $ 14.02万
• 依托单位: Lancaster University
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2016
• 资助国家: 英国
• 起止时间: 2016 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=ST%2FN00230X%2F1
• 关键词: Microwave; filters; improved; power; handling

Multipactor is a resonant electron phenomena where secondary electrons are emitted due to primary electrons hitting the RF surface. The secondary electrons then interact with the RF field to return to the structure creating more secondary electrons. The number of electrons growths with time until the RF signal is distorted or damage occurs. Multipactor is a major limiting factor in both satellite communications equipment and particle accelerators due to the high power and vacuum required in both applications. At present multipactor is dealt with in the satellite industry by providing huge safety margins in RF design. Better understanding of multipactor could result is smaller margins and hence a significantly reduced cost. The satellite communications industry is worth several billion pounds.Recent studies of multipactor in the context of accelerators has led to accurate computational tools for estimating and controlling multipactor. This project aims to apply these new computational tools and technique to the modelling of satellite communications equipment and to benchmark them against experimental measurements of existing components. These tools will them be used to optimise satellite communications equipment with a higher power handling.

多缸是一种谐振电子现象，由于原代电子撞击RF表面，因此发射二次电子。然后，二级电子与RF场相互作用，以返回结构，从而产生更多的辅助电子。电子生长的数量随着时间的流逝，直到RF信号被扭曲或损坏。由于两种应用都需要高功率和真空，因此多缸是卫星通信设备和粒子加速器的主要限制因素。目前，通过在RF设计中提供巨大的安全利润，在卫星行业中处理了Multipactor。更好地理解多乳酸可能是较小的边缘，因此成本大大降低。卫星通信行业的价值价值数十亿英镑。在加速器的背景下，对多缸进行了研究，导致了准确的计算工具来估计和控制多缸。该项目旨在将这些新的计算工具和技术应用于卫星通信设备的建模，并将它们对现有组件的实验测量进行基准测试。这些工具将用于使用更高的电源处理来优化卫星通信设备。

项目成果

Analytical and numerical simulation of multipactor within a helical resonant filter

螺旋谐振滤波器内多重滤波器的分析和数值模拟

• DOI: 10.1109/ivec.2017.8289632
• 发表时间: 2017
• 作者: Constable D

Multipactor in 4 rod crab cavities

4 杆蟹腔中的多功能测量仪

• DOI: 10.1109/eumc.2016.7824320
• 发表时间: 2016
• 作者: Burt G