This paper researchs on US navy carrier vehicle and group navigation system's core-navigation sensor system interface ( NAVSSI) , consist of system configuration and main functions, analyzes US navy carrier vehicle and group navigation system's information security issues and total information flow, which consist of data input, data inspect, data process and data distribute. Finally, summarize US navy carrier vehicle and group navigation system's characteristic.%重点研究美国航母及编队导航系统的核心——导航传感器系统接口(NAVSSI)的系统构成及主要功能,分析美国航母及编队导航系统从数据输入、数据检查、数据处理到数据分发的整个信息流程及信息安全问题,并总结美国航母及编队导航系统的特点.
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