English translation for "helical groove"
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- 螺旋槽
Related Translations:
- Example Sentences:
| 1. | The gain computation for the traveling wave tube with ridge loaded helical groove 脊加载螺旋槽行波管的小信号增益计算 | | 2. | A theory for the analysis of the arbitrarily - shaped helical groove structure is obtained by means of an approximate field - theory 采用近似场论的方法,获得了一种分析任意槽形螺旋槽结构的普遍理论。 | | 3. | ( b ) when the depth of the groove is relatively shallow , the helical triangle - shaped helical groove has the widest bandwidth , the least dispersion , and the fastest phase velocity 门)当槽的深度较浅时,三角形螺旋槽的频带宽度最大,且色散最弱,波的相速最大。 | | 4. | ( b ) when the depth of the groove is relatively shallow , the helical triangle - shaped helical groove has the widest bandwidth , the least dispersion , and the fastest phase velocity ( 2 )当槽的深度较浅时,三角形螺旋槽的通频范围最大,且色散最弱,其中波的相速和群速最大。 | | 5. | ( b ) the linear fluid model is used to study the conductor - centered helical groove twt . we have analyzed the effects of the beam parameters on the gain and the bandwidth of the twt ( 2 )我们用线性理论模型研究了具有中心导体轴的矩形螺旋槽行波管内的注-波互作用特性,对电子注参量对小信号增益和带宽的影响进行了分析。 | | 6. | Considering the influence of high evanescent modes , we have obtained the common theory . by the comparing between theoretical calculation and experimental data , we found the theory can accurately describe the high - frequency characteristic of this kind of slow - wave helical groove structure . then , five representative shapes are chosen and researched particularly ( triangle shape , cosine shape , trapezoid shape , rectangular shape and swallow - tailed shape ) 主要工作成果和创新之处在于: 1 .通过考虑高次模式的影响,获得了一种更为精确分析任意槽形螺旋槽结构的普遍理论,经与实验测量值比较,发现它更能准确可靠地描述此类螺旋慢波结构的高频特性,然后详细研究了五种槽形状(三角形槽、余弦形槽、梯形槽、矩形槽和燕尾形槽)对螺旋槽慢波系统导波特性的影响。 | | 7. | By a large amount of calculations , the influence of the structure dimensions and the dielectric parameters on dispersion characteristic and coupling impedance of this kind of slow - wave structure is obtained . then , the linear beam - wave interaction theories of the arbitrarily - shaped helical groove waveguide and the dielectric into the arbitrarily - shaped helical groove waveguide are deduced . by the numerical calculations , the relationship is got between the small signal gain , bandwidth , electromagnetic " hot " velocity and the electronic beam , the structural parameters 通过数值计算,获得了此类慢波结构的色散特性和耦合阻抗随结构几何尺寸和介质参数的变化规律;在此基础上,建立了任意槽形螺旋槽及中心加介质棒的任意槽形螺旋槽行波管的注-波互作用线性理论,并编制程序,计算了管子的小信号增益、带宽、电磁慢波的“热”相速与电子注参数、结构参数之间的关系,获得了增加带宽或增益的途径。 | | 8. | For the first time we investigate detailedly on the theory of the conductor - centered arbitrarily - shaped helical groove structure . we divide the arbitrarily - shaped helical groove into many consecutive small rectangle area to approximate the original groove . the recurrence relation of the admittance is obtained 首次对具有中心导体轴的任意槽形螺旋槽结构的普遍理论进行了研究,通过以多层矩形阶梯来近似代替任意形状槽的边界的方法,同时对导纳的递推关系进行了详细的推导。 | | 9. | The research on the rf characteristics of the conductor - centered helical groove sws . ( a ) in the " cold " system , we found that the changing of depth of the groove has no distinct effects on the phase velocity at the lower frequency region ; but with the increasing of the frequency , the phase velocity and bandwidth are reduced slightly , the structure is more dispersive and the coupling impedance is enhanced 对具有中心导体轴的矩形螺旋槽慢波系统的高频特性进行了理论研究: ( 1 )在冷系统中的研究结果表明:频率较低时,槽深的改变对相速的影响不是很大,随着频率的增大相速略有减小,同时带宽也有所减小,色散变得稍强,耦合阻抗增大。 | | 10. | In this dissertation , we have made detailed theoretical study and numerical computing on some new types of helical groove sws including the conductor - centered rectangle - shaped helical groove and the conductor - centered arbitrarily - shaped helical groove ; several important new conclusions and valuable results are achieved and listed as the followings : 1 本论文从理论研究和数值计算两方面对一类新型的具有中心导体轴的矩形螺旋槽慢波系统以及我们提出具有中心导体轴的任意槽形螺旋槽慢波系统进行了深入的研究。主要工作成果和创新点在于: 1 |
- Similar Words:
- "helical gear with jaw" English translation, "helical gear-shaper cutter" English translation, "helical gearing" English translation, "helical gearing hypoids" English translation, "helical gears" English translation, "helical hair spring" English translation, "helical heater" English translation, "helical i tability" English translation, "helical instability" English translation, "helical lamp" English translation
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