卫星导航专利分析报告之二——接收机高精度测量型天线

Two of The Reports for Satellite Navigation Patent Analysis——high-precision sur veying antenna for receiver

高精度测量型接收机在卫星导航应用产业属于高端产品,高精度测量型天线作为卫星导航接收机的重要组成部分,其性能直接关系到卫星导航接收机测量精度的大小。本文以大量的专利信息为基础,聚焦卫星导航终端高精度测量型天线中的三项主要技术:微带贴片天线技术、螺旋天线技术、扼流圈技术,对其产业现状和技术发展路线进行了梳理,全面呈现了高精度测量型天线领域的专利申请人特点、技术分支、重点专利及其引用关系。

The high-precision surveying receiver belongs to high-end product in satellite navigation application industry. As an important part of the satellite navigation receiver, the performance of the high-precision surveying antenna is directly related to the surveying accuracy of the satellite navigation receiver. Based on masses of patent information, this paper focuses on three major technologies in the high-precision surveying antenna: microstrip antenna technology, helical antenna technology and choke ring antenna technology, reviews their current statuses in industry and technical development routes, and comprehensively presents applicant characteristics, technical branches, important patents and citation relations thereof in the field of high-precision surveying antenna.