GPSRTK数据链的设计与研制

Design and development of GPS RTK data link

数据链的作用是用于传输参考站到流动站之间的差分信号。本文从数据传输方式、调制方式和传输速率等方面,详细阐述了数据链的设计要点,结合研制的数据链,介绍了数据链的主要技术指标及其联机、稳定性、距离和精度等四项测试结果。测试结果满足野外作业要求。

The role of data link is used for transmission of differential signals from referential unit to mobile unit.From such aspects as transmission mode,modulation way and transmission rate,the paper expounded in detail the key points of data link,and introduced the main technical indexes of the product and four test results of online,stability,distance and precision in combination with developed products.The tested results meet the need of field operation.