| 1. | Analysis of effects of trains on cutoff frequency rectangular tunnel with ridged waveguides method
列车对矩形隧道电磁波传输影响带脊波导分析 |
| 2. | Ridge waveguide is a kind of guide wave sturcture that often used , which can be formed from rectangular waveguide
脊波导是一种常见的导波结构，它是矩形波导的一种变形。 |
| 3. | The paper analyzed an s - band single ridged waveguide antenna used for near field measure by fdtd method and microwave transmition line theory
本文采用fdtd方法以及微波传输线理论对一个用于近场测量、工作在s波段的单脊波导天线进行了分析。 |
| 4. | The simulation analysis has indicated that the bandwidth of ridged waveguide slot array has been greatly improved , and it is consistent with the result of the theory
仿真分析表明脊波导裂缝阵列的带宽有较大的改善，这与理论分析的结果是一致的。 |
| 5. | It is more difficult to analyze and design ridge waveguide components because the boundary condition of ridge waveguides is far more complex than rectangular ones
由于脊波导的边界条件比普通矩形波导复杂，所以脊波导元器件的分析和设计就比普通矩形波导元件复杂得多。 |
| 6. | As mentioned in above , the boundary condition of ridge waveguide is quite complex , so to solve the field equations directly is very tedious and complicate
鉴于脊波导的广泛使用，本课题的研究很有实际意义。脊波导的边界条件比较复杂，直接求解场方程非常冗长、繁琐。 |
| 7. | It ' s most important performance is low insertion loss and facility of realization . utilizing ridge waveguide we have designed a waveguide - microstrip transition , in 32ghz ~ 37ghz frequency range , which have a loss less than 0 . 2db
在波导作为常用传输线的毫米波系统中，波导-微带转换结构是必不可少的部件，其关键性能指标是低损耗以及结构实现的容易性。 |
| 8. | Reference [ 1 ] has used the fdtd to solve some ridged waveguide and waveguide antenna to obtain the inside field . the feature of the paper is to analyze the antenna ' s near field in the rubber absorbing materials
文献[ 1 ]等已对一些脊波导进行过fdtd的数值解以求得到脊波导的内场，本文的特点在于分析了s波段的脊波导天线在被测量的橡胶吸收材料中的辐射近场。 |
| 9. | This paper describes the application of finite element method for obtaining the cutoff wavelength , field pattern and bandwidth in ridged waveguide of ridge on the short side , gives the specific equation of related parameter to the subject
摘要提出用有限元方法分析位于窄边的脊波导主模的截止波长和场结构图以及单模带宽特性，推导出用有限元法计算相关参数的计算公式。 |
| 10. | Based on the idea of improving the frequency characteristic of the two parameters above , a novel method of improving the bandwidth of the slot array antenna is presented in this paper , which uses a ridged waveguide instead of a rectangular waveguide as the radiating waveguide
本文以改善这两个参数的频率特性为出发点，提出了一种展宽波导裂缝天线带宽的新方法，即用脊波导代替矩形波导作为辐射波导。 |
