| 1. | Study of helix slow wave structure taking the radial thickness into account 考虑螺旋带径向厚度的螺旋线慢波系统的研究 |
| 2. | Design of start part of slow wave structure in relativistic backward wave oscillator 相对论返波管慢波结构的起始端设计 |
| 3. | Research on geometry parameters of relativistic travelling wave tube slow wave structure 相对论行波管慢波结构几何参数研究 |
| 4. | Optimization and simulation of a relativistic backward wave oscillator with a slow wave structure 相对论返波管慢波结构的优化设计和数值模拟 |
| 5. | Preliminary experimental research on relativistic high power microwave generator with coaxial slow wave structure 同轴慢波结构相对论高功率微波产生器初步实验研究 |
| 6. | Periodic structure ( ps ) has been used in many applications such as slow wave structure ( sws ) and frequency selective surface 周期电磁结构有着广泛的应用,常被用作频率选择表面或者高功率微波器件中的慢波结构等。 |
| 7. | The results also show that the tapered slow wave structure does not affect the output frequency obviously and that the maximum output power of the tapered milo could reach 5 . 84gw at frequency 4 . 53ghz when the input voltage is 800kv 在输入电压800kv时,模拟得到的渐变型c波段milo最大输出功率为5 84gw ,此时的工作频率为4 , 53ghz 。据模拟得到的结果,判断出milo输出的微波模式是tm模式。 |
| 8. | The main context of this dissertation focuses on three aspects . the author simulates and optimizes the helix - slow wave structure by using the high frequency electromagnetism code cst mws , gets the results which the shape of the supports of helix impacts on the dispersion characteristic and the coupling impedance . then using ansys software , the author analyzes the thermal contact resistant will impact the thermal characteristic of the helix - slow wave structure and get the temperature of the helix slow - wave structure 本论文主要包括以下三方面的内容:作者使用cstmws软件对螺旋线慢波结构的夹持杆形状进行了优化;分析了夹持杆形状对慢波结构色散和耦合阻抗的影响,同时还分析了接触热阻对螺旋线慢波结构散热性能的影响,找到了兼顾螺旋线慢波结构电特性和散热性能的夹持杆形状。 |
| 9. | In this dissertation , each of the twt component building blocks , such as the electronic gun , slow - wave structure and the collector , is presented . the thermal theories and the thermal conduction ways of each subsystem are discussed . the author presents some advice on the fast working of twt , the optimization of helix - slow wave structure , and how to minimize the collector 本文论述了小型化行波管电子枪、慢波结构和收集极等部分产生热的机理以及热传导过程,针对小型化行波管的启动速度、改善和优化螺旋线慢波结构以及缩小收集极体积等方面的提出了改进建议与设计。 |
| 10. | Because the microwave field in simple milo is n mode along the axis and the field is of the standing wave structure . the tapered slow wave structure is introduced to make the field in the downstream of interaction space have a travelling wave structure and easily make the microwave energy transport out of the device 我们在milo的阳极慢波结构叶片上引入了渐变结构,将驻波形式的电场改变为行波形式,微波在轴线方向不再保持模式,有利于微波能国防科学技术大学研究生院学位论文量的输出,此项改进对工作主频影响不大。 |