卫星多普勒定位
在卫星导航定位系统中，多普勒频率偏移是影响接收机性能的关键因素之一。
In the satellite navigation and positioning system, Doppler shift is one of the key problems that may degrade the performance of the satellite receiver.
针对单星测向定位中干涉仪设备复杂、卫星姿态测量要求高等不足，提出了一种基于多普勒变化率的单星无源定位方法。
Due to the complexity of the interferometers and high requirement of satellite attitude, a method of passive localization based on Doppler rate-of-change of single satellite channel is presented.
给出了SINS与全球卫星定位系统(GPS)、多普勒导航系统(DNS)组合导航系统的状态方程和误差分析，在给定条件下进行了仿真试验。
The state equation and error analysis of SINS combined with globe positioning system (GPS) and Doppler navigation system (DNS) were also presented.
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