为了提高雷达的作用距离、作用范围以及减小其他方向的干扰,针对雷达对天线的要求,文中通过采用不等间距的变尺度算法设计优化了一......

at every frequency for the multi-band antenna is above 2.6 dBi, and it increases monotonously with the frequency in the ......

基于三维电磁仿真手段,研究了开槽对单Y结微带铁氧体环行器设计及频率特性的影响。结果表明:开槽的长度和宽度对器件频率特性的影......

A sandwich photonic bandgap (PBG) structure is a novel PBG structure whose periodic lattice is buried in the middle of a......