| 1. | Theoretical study on two beams interactions in cylindrical waveguide filled with plasma
等离子体填充圆柱波导中双流不稳定性的研究 |
| 2. | This paper discussed the dependence of the characteristic value of characteristic equation on frequency for the given precise characteristic equations of plasma cylindrical waveguides
摘要通过给出的等离子体圆柱波导的精确特征方程，讨论了特征方程的特征值对频率的依赖。 |
| 3. | 4 . the " hot " dispersion equation of the coaxial ridge - disk - loaded cylindrical waveguide twt with an annular electron beam can be firstly obtained according to self - consistent field theory
四、引入薄环形电子注，首次建立了脊加载同轴膜片圆波导的注波互作用线性理论，得到小信号条件下的色散方程。 |
| 4. | Microwaves of 500mw , 2 . 1ghz are obtained in the pic simulation . microwaves can be extracted by a cylindrical waveguide of te11 mode or a rectangular waveguide of te10 mode . the beam - to - microwave efficiency is about 14 %
粒子模拟结果表明,在400kev 、 8 . 9ka的束流条件下,在2 . 1ghz处可以获得大于500mw的高功率微波输出,功率效率为14 % ,频率、模式纯净。 |
| 5. | In this paper , the coaxial disk cylindrical waveguide with longitudinal ribs as sws , a series of detailed studies have been made by theoretical method combining with numerical ananlysis , and a great deal of valuable conclusions have been obtained
本学位论文采用理论分析和计算机模拟相结合就脊加载盘荷波导结构进行了一系列的深入研究，得到了许多有用的结论。 |
| 6. | The influence of various electron beam parameters on the small signal gain is investigated and discussed by the numerical results . 5 . the model of the coaxial disk - loaded cylindrical waveguide is manufactured to testify the dispersion properties of this structure
五、加工了同轴膜片加载圆波导慢波系统实验模型，用谐振法测得的色散特性与理论数据良好吻合，从而验证了同轴膜片加载圆波导慢波系统色散特性理论分析的正确性。 |
| 7. | In the dissertation , the coaxial disk - loaded cylindrical waveguide used in sws of relativistic traveling wave tube ( rtwt ) is discussed . the types of the coaxial disk - loaded cylindrical waveguide and the coaxial ridge - disk - loaded cylindrical waveguide are all - metal slow - wave structures and have advantages of large size , good thermal conductivity ? high precision of manufacturing and assembling
本文分析了同轴膜片加载圆波导和脊加载同轴膜片圆波导两种慢波系统，它们均采用全金属结构，具备尺寸大、散热性能好，易加工的特点。 |
| 8. | It shows that the coaxial disk cylindrical waveguide with longitudinal ribs , which is one of large diameter , all - metal structure and allows for high average power capability , can improve the propagating wave ' s characteristics and gain a relative broad bandwidth by means of modifying the geometrical dimensions of the circuits
结果表明：脊加载盘荷波导是一种尺寸大，功率容量大的全金属结构，在加脊后可以改善导波特性，提高带宽。二、对脊加载盘荷波导注波互作用的线性理论进行了研究。 |
| 9. | First , the theory of the coaxial disk - loaded cylindrical waveguide sws is analysed , and the dispersion equation and the coupling impedance of this structure are obtained . through the numerical caculation , it is discussed that the influence of various circuit dimensions on the dispersion and the coupling impedance . 2
本文的主要研究工作和创新点如下：一、首先完善了同轴膜片加载圆波导慢波系统的理论分析，得到该系统色散方程和耦合阻抗表达式，并通过数值模拟计算，详细讨论了慢波系统几何尺寸对色散特性和耦合阻抗的影响。 |
| 10. | Owing to having the advantages of large size , good thermal conductivity , high precision of manufacturing and assembling , the all - metal slow - wave structures are widely used in the wide - band , high power traveling wave tube ( twt ) and relativistic twt . furthermore , the disc - loaded cylindrical waveguide is one of the most important slow - wave structures in the all - metal slow - wave structures ( sws )
全金属慢波结构因其尺寸大、热耗散能力强、整体性能好等优点被广泛应用于宽带、大功率行波管和相对论行波管中,而膜片加载慢波系统正是全金属结构中最重要、应用最广泛的一大类结构。 |
