摘要
提出了一种新型功率合成器,其工作原理为:通过在两个相互垂直的过模矩形波导中放置两组相互垂直的金属插板,对具有不同极化方向的矩形波导TE10模进行隔离传输,实现高功率微波的双路通道功率合成。基于这一原理初步设计了一个中心频率为9.55 GHz的功率合成器,并进行了数值模拟。模拟结果表明:这种功率合成器可以承受高功率,单通道工作时的功率容量分别大于7.31 GW和6.83 GW,中心频率上两个通道的单模功率传输效率分别达到了98%和99%,反射损耗分别小于-36 dB和-21 dB,通道之间的耦合损耗分别小于-30 dB和-45 dB。
A novel power combiner applied to high power microwave is described and analyzed.It consists of two overmoded rectangular waveguides which are connected vertically,and several metal plates are inserted vertically with the polarization direction of the transmitted modes,respectively.Thus the two modes with different polarization directions,such as TE10 and TE01 rectangular waveguide mode,can be transmitted separately to realize power combining.A power combiner at 9.55 GHz is designed and optimized based on this scheme.The calculated results show that it has high power handling capacity,and the transmission efficiency for each channel is about 98% and 99% at center frequency,respectively.The return loss and coupling loss located at the joint are less than-21 dB,which can be neglected.
出处
《强激光与粒子束》
EI
CAS
CSCD
北大核心
2010年第10期2369-2372,共4页
High Power Laser and Particle Beams
基金
国家高技术发展计划项目
关键词
高功率微波
功率合成
矩形波导
T形结
high-power microwave
power combining
rectangular waveguide
T-junction
