High gain circular waveguide antenna using 1 - d electromagnetic band - gap structure 结构的圆波导高增益天线
2.
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。
3.
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。
4.
But ridged waveguide antenna which is small in volume when working at a low frequency band can obtain a high resolution and is suitable in the rubber material measure . one of the features of the paper is that some improvements of fdtd are presented 脊波导天线与普通金属波导相比，在较低的频域可以有较小的工作尺寸，因而能达到较高的分辨率，且便于与同轴馈线连接，很适合用于橡胶吸收材料的测量中。
