Filter tuning and coupling matrix synthesis by optimization with cost function based on zeros, poles and hausdorff distance

This elaboration proposes and investigates a new cost function used in filter tuning algorithm and coupling matrix synthesis. The cost function is defined based on the Hausdorff distance between the template sets (the sets of zeros and poles of template filter reflection and transmission characteristics) and the sets of zeros and poles described from optimized characteristics of a filter. The experiments showed the performance of the proposed cost function definition.