We found that its gain were improved by adding the PBG structure. 结果表明,通过添加光子晶体结构能提高天线增益。
The antenna has a broadside pattern, a flat gain response between the allocated UWB spectrum, and a quite small size. 我们设计的天线在超宽频系统的频宽内有很稳定且平坦的天线增益频率响应,同时也有很小的尺寸。