1.前言“组合导航系统”是最近谈论导航的话题之一。在美国航空电子的有关技术资料以及学会的研究论文等方面,常可看到有关组合导航系统的文章。简单地讲,所谓组合导航系统是指把几种辅助导航设备,如罗兰或者多卜勒雷达与惯性导航系统组合,它们的信息由机载计算机里的卡尔曼滤波器进行适当 1. Introduction “Integrated Navigation System” is one of the topics that has been talked about recently. In the United States avionics related technical information and the Society of research papers, etc., can often see the article on the integrated navigation system. Simply put, the so-called integrated navigation system refers to several auxiliary navigation devices, such as Roland or Doppler radar and inertial navigation system, their information from the onboard computer Kalman filter appropriate