Abstract: In order to make it possible for the construction of automatic monitoring system through one GPS machine with multi-antenna in Dongjiang dam becoming successful completion, the test should be carried out first. The goal of the test is aiming at the actual geographic and environmental factors, and some problems concerning the one GPS machine with multi-antenna is tested in site.

摘要： 为了保证大东江大坝GPS一机多天线自动化监测系统一次建设成功，需要进行前期试验。试验的目的主要针对东江的实际地理环境因素，以及GPS一机多天线的有关问题。