The results show that the radius of the slow - wave structure can be much smaller in the coaxial bwo case than in the non - coaxial bwo case 结果表明:采用同轴慢波结构实现l波段返波振荡器的微波输出,可以大大减小微波器件的径向尺寸。
The working frequency of twt is very high , therefore , the size of twt slow - wave structure is very fine . this brought much difficulty for the design 由于行波管工作的频率很高,因此行波管慢波结构的尺寸非常精细,这给设计工作带来了很大的难度。
The result of thermal analysis for coupled - cavity slow - wave structure had been achieved in the form of temperature contour figure and heat flow density vector figure 对耦合腔慢波结构热特性的模拟得到了以温度分布云图和热流密度矢量图方式表示的结果。
The high frequency system in rdg that we study is complete overmoded sws , and the diameter of waveguide is much larger than the wavelength inspired by the device 由于我们研制的相对论绕射辐射振荡器采用完全过模的慢波结构作为高频系统,波导的直径远大于激励波的波长。
The relative theory basis of thermal calculation was shown . then the details of simulating the thermal characteristic of twt slow - wave structure with ansys were given 文中给出了热特性计算的相关理论基础,并介绍了应用ansys模拟耦合腔慢波结构热特性的具体方法和步骤。
As the key component of the beam - wave interaction of a traveling wave tube ( twt ) for exciting microwave energy , the slow - wave structure ( sws ) basically determine the performance of the twt 行波管中的慢波结构作为行波管的一个核心部件,它的性能的优劣直接决定着行波管的整体性能。
So , searching for novel slow - wave structures is one important developing direction of the twt in order to improve the broadband characteristic and increase the operating frequency and power capacity 因此,寻找新型的慢波结构以改善行波管宽带特性、提高工作频率和功率容量是慢波结构研究的重点和方向。
Because the coaxial structure can broaden the bandwidth , they might be one type sws of the high power capacity and the middle bandwidth . several major and valuable achievements are listed as the followings : 1 其有别于普通膜片加载波导的同轴结构，使得带宽得以拓展，因此很可能成为一类同时满足高功率容量和宽带要求的慢波结构。
At the same time the influence of the cavity in front of slow - wave structure and the length of a smooth drift tube which connect two sections of slow - wave structure are also studied in this dissertation 然后利用magic粒子模拟软件模拟了反射器对器件工作性能的影响,同时还分析了慢波系统前面的腔体以及两段式慢波结构中过渡段的长度对器件工作性能的影响。
Two cold - test parameters determine the working voltage , frequency band , efficiency and gain of twt . they are dispersion and interaction impedance of the slow - wave structures ( sws ) in twt , which are very important targets for twt 行波管慢波结构的色散和耦合阻抗是行波管设计中两个非常重要的冷参量,它们决定了整支管子的工作电压、频带宽度、工作效率和增益。
