| 1. | And , the rf - circuit design methods are endlessly discovered to suit for the application of uwb . especially , the designs of the antenna module that is the output entrance to uwb rf systems , which have already become hotspot research subject 也正在不断寻找适用于uwb应用的射频电路设计方法。其中,作为uwb系统射频端出入口的天线模块的设计已经成为目前研究的热点。 |