The transitions of SIW with microstrip are solved by using concave transition and grounded coplanar waveguide transition, which are convenient for filters synthesized with active microwave circuits.
同时,通过使用凹型过渡和接地共面波导过渡两种转换方式,解决了基片集成波导与微带线的过渡问题,从而解决了滤波器和有源微波电路的集成问题。