Meanwhile, the CCSR unit cell loading planar waveguide is a new type of planar waveguide dual-bandpass filter with perfect bandpass characteristic and small size.
单个交叉椅型谐振结构加载的平板波导作为一种新型的滤波器结构，具有良好的双通带特性，尺寸较小。
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The bandwidth of the DRA is increased by using coplanar-waveguide inductive slot, and the size of the DRA is reduced by loading a L metallic strip on the DR.