GPS,全球定位系统最初是由美国所研究并开发的一种卫星导航和定位系统,而伴随着时代的发展,科技的不断进步,GPS技术被运用到诸多领域当中,例如在铁路的测量过程中,就运用到了GPS技术,该技术的运用是铁路测量的一大里程碑,是一项革命性的技术变革。鉴于此,文章将对GPS中的RTK技术在铁路测量中的具体应用进行阐述与说明。 GPS, GPS was originally a satellite navigation and positioning system researched and developed by the United States. With the development of the times and the continuous advancement of science and technology, GPS technology has been applied to many fields, for example, during the measurement of the railway , To use the GPS technology, the use of this technology is a milestone in the railway survey is a revolutionary technological change. In view of this, the article will elaborate and explain the specific application of GPS RTK technology in railway survey.