| 1. | The advance of new slow - wave structure for high - power twt
大功率行波管新型慢波线技术的进展 |
| 2. | So , one can conveniently design a high performance sinuous feed rapidly following the steps in this paper
因此，根据文中步骤可以快速、方便地设计出性能优越的波导慢波线。 |
| 3. | In the optimized structure , a very small magnetic field is needed to make most of electrons pass through the slow wave line
通过分析4种不同的结构，在所得到的一种理想的通道结构中，需要较小的磁场就能使得电子在慢波线中的通过率较高。 |
| 4. | The results of calculation and experiment indicate that the coupler is excellent in the chacteristics . on the other hand , the coupling degree can be enhanced by the method of enlarging the slot
提出了加感性匹配圆棒的大窗口h t耦合器的设计，以满足慢波线中部分对耦合要求较强的需要。 |
| 5. | Various methods for solving these problems are described . the design method of a serpentine feed is presented systematically . the key components are designed and calculated in detail
本文系统地叙述了波导慢波线的设计方法，并给出了其中关键器件的设计，其中的耦合器设计得到了实验验证。 |
| 6. | The formulas and steps for designing a waveguide serpentine feed is presented . in particularly , the method of key components is given . the effect of all components to the phase and reflection of the system is analyzed
本文系统地给出了波导慢波线的设计公式和步骤，提出了实现其中关键器件的设计方法，并对其进行理论分析和研究。 |
| 7. | The impedance match must be extremely good because at the frequency that the antenna beam ~ vork on the broad - side position , the reflcctions from all the bends add in phase to produce a large input vswr . in addition , a poor design of thc bends leads to high - power breakdown
慢波线中使用了大量的波导e面180弯头，系统对其驻波特性提出极高的要求，文中用高频仿真软件（ hfss ）优化设计了波导e面180弯头。 |
| 8. | Finally , in view of the absorbed po ~ ver of the terminated load and the realizablity of couplers , a proper eclectic distribution of coupling degree of couplers is computed synthetically . 2 . a small , light , compact , ~ vide band and high performance h - t coupler with lognitudinal dualslot is presented
根据天线方向图要求，确定阵面的口径分布，在此基础上，结合慢波线终端负载的吸收系数，以及耦合器耦合量的可实现性，综合折中考虑，计算选择出合适的耦合器耦合度分布。 |
| 9. | A analysis of these effect to the pattern is presented . in the mean time , the method of correcting the phase errors is given by shortening or lengthening the section of sinuous feed line between couplers from the normal value . 6 . the reflection characteristic of a serpentine is analyzed where the coupler is replaced by the equivalent of two ports loss network
提出了用有耗二端口网络来等效波导耦合器的方法，对由耦合器、馈电波导和波导弯头级联的慢波线系统的驻波特性进行了分析计算，针对慢波线在设计测射频率上大反射问题，讨论了多种解决办法。 |
| 10. | The author ? major contributions are as follows . 1 . with the performance requirement ( the pattern of the antenna , the rang of scanning angle , the maximal sidelcbe level and the beam ~ vidth ) givcn , a method is presented to determine the basic parameters of a serpentine feed , which includes the distance and ~ vaveguide length bet ~ veeii t ~ vo couplers , the size of the arrays and the number of components
根据天线的工作频带、扫描范围、副瓣电平、半功率宽度等技术指标要求，给出了确定波导慢波线基本结构尺寸的计算公式，即对相邻单元之间的空间距离、耦合器之间的馈线波导长度、阵列的大小和单元数的计算。 |
