本文应用波动场的三维有限元方程，对应用反射波法检测桩基质量时波动的传播特征进行了三维数值模拟，通过理论计算模拟给出了反射波的......

提出了具有非周期分形形状的缺陷地结构（DGS）低通滤波器，仿真结果表明，与传统的周期DGS相比，新型的DGS单元晶格非周期设计可以产生较好......

The paper presents an improved equivalent circuit parameters extraction method for the dumbbell-shaped defected ground s......

基于双开口-互补开环谐振器的缺陷地结构（DGS）,设计了一个结构紧凑的基片集成波导（SIW）超宽带带通滤波器.通过调整蚀刻在SIW底面的双开......

Different feeding techniques of microstrip patch antennas with different spiral defected ground structures are presented......

Use of defected ground structure (DGS) to reduce the size of patch antenna is presented in this paper. In order to get a......