DGS can change the effective permittivity of material and distributed capacitor and distributed inductance by etching the defected pattern on the ground of microwave circuit.

• DGS是通过在微波电路的接地板上蚀刻出蚀刻图案(defected pattern),以改变电路衬底材料的有效介电常数,从而改变介质上的微带线的分布电容和分布电感。