为此,对各定位车辆加装由精度适中、价格低廉的压电晶体速率陀螺和里程表组成的航位推算(DR-Dead Reckoning)装置,与GPS一起构成GPS/DR组合定位系统。当GPS卫星信号被遮挡时,启用DR定位功能,利用其良好的短期精度,消除跟踪盲区,保证定...
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Dead reckoning (DR) plotting can be done directly on a pilot chart or on a plotting sheet. Of the various types of navigation, dead reckoning alone is always available in some form.
推算(DR)策划可以做一名飞行员图表上直接单的时候,或者在一个策划各种类型的导航、推算独自总是可用的某种形式。
The model of vehicular autonomic navigation system and dead reckoning (DR) algorithm based on two-step recursive filtering are proposed in this paper.
给出了基于两步递推滤波的车辆自主式导航系统模型及其航位递推算法。
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