摘要
GPS快速定位需要对实时的卫星导航数据和接收机观测数据进行处理,解码GPS接收机原始数据是实时获得以上数据的主要方法。文章介绍了GPS接收机原始数据转换为标准化数据格式(Rinex)的解码方法以及具体操作中的注意事项。叙述了GPS原始数据的获得途径、分析了Rinex2.10导航文件和观测文件的格式。通过对NovAtel OEM4主板GPS接收机获得的原始数据进行解码,证明解码方法的正确性与有效性。
GPS rapid positioning requires processing Satellite Navigation Data and Receiver Observation Data on the real time,and the principal method for obtaining those data is decoding raw data of GPS receiver.This paper presents the decoding method of converting raw data of GPS recei ve r to GPS standard Rinex format,as well as the matters needing attention in the decoding manipulations.Also,the approach to obtain raw data of GPS receiver is described,and the navigation message fi le and observation data fi le in Rinex 2.10 are analyzed.Through the decoding process of the raw data received from the GPS receiver based on NovAtel OEM4 main board,this decoding method is proved to be correct and effective.
出处
《现代科学仪器》
2010年第1期54-57,共4页
Modern Scientific Instruments
