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目前,国内外水面和水下的主要舰船包括核动力航空母舰、直升飞机航空母舰、核动力导弹巡洋舰、导弹驱逐舰、弹道导弹核潜艇、多用途攻击型核潜艇和靶场测量船等。上述舰船为保障远洋航渡,和执行各种战斗任务时的航海安全以及武备系统发射导弹,测控系统测量弹道,都需要导肮系统提供精确的导航数据(经纬度和航速)与舰船的姿态信息(纵、横摇角和航向)。因此,都装有数量不同的导航设备。尤其弹道导弹核潜艇的迅速发展和靶场测
At present, the major ships at sea and underwater both at home and abroad include nuclear-powered aircraft carriers, helicopter aircraft carriers, nuclear-powered missile cruisers, missile destroyers, ballistic missile submarines, multipurpose attack submarines and range measuring vessels. These ships are required to provide precise navigational data (latitude, longitude and speed) and navigational attitude to the navigational safety of ocean-going voyages and various combat missions as well as the launch of weapons-based missiles and measurement and control systems. Information (vertical, roll angle and heading). Therefore, a number of different navigation devices are installed. In particular, the rapid development of ballistic missile submarines and the target field test