CAJ | 학술논문

在GNSS接收机的实际应用中，多径是影响定位精度的主要因素之一。在车载应用条件下，多径的影响由于快速的多径信道变化而变得更加明显，车载接收机的GNSS信号接收处理部分会受到包含周围运动车辆及其自身结构影响在内的复杂多径干扰。针对接收机的各个组成部分分析了天线设计、多径估计、多频测量、传感器融合等多种可用的多径抑制方法，并根据分析和比较结果指出：信号处理方法、基于导航的方法以及传感器融合方法是实现车载接收机多径消除的首选方法。
재GNSS접수궤적실제응용중，다경시영향정위정도적주요인소지일。재차재응용조건하，다경적영향유우쾌속적다경신도변화이변득경가명현，차재접수궤적GNSS신호접수처리부분회수도포함주위운동차량급기자신결구영향재내적복잡다경간우。침대접수궤적각개조성부분분석료천선설계、다경고계、다빈측량、전감기융합등다충가용적다경억제방법，병근거분석화비교결과지출：신호처리방법、기우도항적방법이급전감기융합방법시실현차재접수궤다경소제적수선방법。
In the application of GNSS receiver, multi-path is one of the main influence factors which worsen the position precision. Especially, under the condition of vehicle appli- cation, the effect become more evidence due to the fast channel change of multi-path, and the GNSS signal process part is also influenced by multi-path generated by vehicles moving in the proximity and by constructions of the automotive vehicle itself. Multi-path mitigation tech- nique is introduced with regard to every element of receiver, include antenna design, multi- path estimate, multi-frequency measure, sensor fusion, etc.. The result of analysis and comparison indicates that the signal processing methods, navigation based solutions, and sensor fusion methods are preferred.