X波段40W高效率空间行波管螺旋慢波系统的模拟优化  

Simulation and Optimization of Helix Slow-Wave Structure for X-Band 40 W High Efficiency Traveling-Wave Tubes

作　　者：樊会明[1] 苏小保[1] 

机构地区：[1]中国科学院电子学研究所

出　　处：《真空科学与技术学报》2007年第1期16-19,共4页Chinese Journal of Vacuum Science and Technology

摘　　要：为了提高X波段40 W空间行波管的互作用效率,本文通过计算机模拟对其慢波系统进行了模拟优化,获得了渐变螺距慢波系统的互作用效率和输出功率,并和样管的测试结果进行了比较。比较结果表明,互作用效率、输出功率的模拟优化结果和测试结果在频带内的相对误差分别小于5.7%和8.3%,二者取得了很好的一致。同时,样管在中心频率处的相移小于40°,表明慢波系统的线性良好。The slow-wave structure（SWS） of the 40 W high space traveling-wave tuhes（TWT） was numerically simulated and optimized to enhance the conversion efficiency. The simulated and the measured conversion efficencies and output powers were found to agree fairly well with the differences less than 5.7% and 8.3%, respectively. Moreover, the phase-shift at fo of the TWT tube was estimated to be less than 40°, indicating a good linearity of the optimized slow-wave system.

关 键 词：空间行波管 高效率 慢波系统 互作用效率 

分 类 号：TN124[电子电信—物理电子学]