Feed network is an important part of short - wave multimode multi - feed antenna system . the design of feed network is a pivotal technique in the process of projecting antenna system . above all , this paper expounds the basic notion and procedure of analyzing and designing feed network applying the substructure analyzing theoretics of interconnect - net . basing on these jobs , some radical methods of analyzing and measuring the substructure of feed network are presented . using these methods , substructure is analyzed and measured . finally , a measured database of substructure of feed network is established 本文首先阐述了应用互联网络子结构级联理论分析、设计馈电网络的基本思路和步骤，在此基础上，给出了馈电网络子结构分析和测量的基本方法，并且应用这些方法完成了馈电网络子结构的分析和测量，最后给出了馈电网络子结构的测量数据库。
