Theory, operating features and interface relations of three correction modes for the inertial navigation; Short-Range Radio Navigation, Long-Range Radio Navigation and Visual, are presented.
从校正方式组成及原理入手，详细地介绍了某型飞机导航系统惯导几种校正方式的使用特点及相互交联关系。
Other shortcomings included: short operational range; navigation and communication equipment were almost none-existent, and its bridge offered very low visibility.
其它的缺点包括：短操作航程、几乎没有导航和通信设备，而且它的舰桥提供了非常低的视野。
It can be used in developing the short range radio navigation ground beacon and testing the performance of its transmitter.
该平台可在近程无线电导航地面导航设备的研制中确定发射机参数和检验性能时使用。
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