机场数字波束参考接收机相位中心修正  

Phase center correction for airport digital beam forming reference receiver

作　　者：邢兆栋[1] 尹继凯[1] 支春阳[1] 赵胜[1] 

机构地区：[1]中国电子科技集团公司第五十四研究所,石家庄050081

出　　处：《电子测量技术》2014年第5期21-24,共4页Electronic Measurement Technology

基　　金：十二五国家科技支撑(2011BAH24B04)项目

摘　　要：数字波束技术带来卫星导航接收机性能改善,但其相位中心误差会引入测量数据,机场地基增强系统的数字波束参考接收机需解决该问题。从机场应用需求角度给出了波束参考接收机设计,分析了数字波束接收相位中心问题及影响,给出了相位中心修正方法。在微波暗室内建立了测试环境,开展了数字波束信号接收及相位中心修正测试。在相位中心修正的基础上,数字波束可用于增强及完好性处理。Digital beam forming technology can improve satellite navigation receiver performance,but its antenna arrays phase center error is included in measurement data.The Digital beam forming reference receiver for airport Ground Based Augmentation System should resolve the phase center problem.The design of digital beam forming reference receiver is shown according to the airport application demands.The affects of digital beam forming phase center is analyzed and correction solution is researched.A test verification environment is established in a microwave chamber.The digital beam signal receiving and phase center correction tests are executed.Based on phase center correction,digital beam forming technology can be used for augmentation and integrity process.

关 键 词：地基增强系统 数字波束形成 全球卫星导航系统 参考接收机 

分 类 号：TN967.5[电子电信—信号与信息处理]