对于欧洲和全世界来说,拥有一个独立的与美国目前GPS系统互补并可互用的系统是至关重要的。伽利略计划是欧洲提出的最先进的全球导航卫星系统,它是由民间控制的、可提供高准确性与可靠性的全球定位服务。从组成部分、提供的业务、市场前景、质量保障和可靠性、频谱分配、互用性以及标准和认证等方面对伽利略系统进行了详细介绍。 It is crucial for Europe and the rest of the world to have an independent system that is complementary and interoperable with the current U.S. GPS system. The Galileo Project is Europe’s state-of-the-art global navigation satellite system, a privately controlled, global positioning service that offers high accuracy and reliability. The Galileo system is described in detail in terms of components, services provided, market prospects, quality assurance and reliability, spectrum allocation, interoperability and standards and certification.