摘要
完好性是评价GPS性能的重要指标之一。文章介绍了GPS完好性的基本概念，分析了影响GPS完好性的各种因素，针对GPS的组成特征，对当前的各种完好性监测技术提出了一种新的分类方法，研究了几种典型的完好性监测方法。
Integrity is an important parameter to assess the performance of GPS. This paper introduces the basic concepts of integrity and analyses the factors which affect the integrity of GPS. In terms of the main components of GPS, the paper puts forward a new classification of the technology, and studies several typical methods of integrity monitoring.
