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1)  GPS/DR integrated
GPS/DR组合
1.
Based on the navigation theory of GPS/DR integrated system,a Kalman filtering model,which integrates the GPS original observation and dead-reckoning information,was presented.
根据GPS/DR组合系统的导航定位原理,推导了利用GPS原始观测值与DR航位推算信息进行组合的Kalman滤波模型,并利用该滤波模型对GPS/DR原始观测数据进行航位解算。
2)  GPS/DR integrated navigation
GPS/DR组合导航
1.
According to the difficult to establish precise mathematical model in predicting position error for vehicle GPS/DR integrated navigation system,adaptive linear neural network method is proposed.
针对车辆GPS/DR组合导航系统中位置误差预测难以建立精确的数学模型的问题,提出了自适应线性神经网络建立位置误差预测模型的方法。
2.
A new particle filter algorithm called unscented particle filter(UPF) algorithm was given based on the analysis of each algorithm s characteristic and the combination of PF s and UKF s advantages,and it was applied to GPS/DR integrated navigation system.
通过分析3种算法各自的特点,将PF算法和UKF算法的优点相结合,提出了一种新的粒子滤波算法——U粒子滤波(UPF)算法,并将其应用于GPS/DR组合导航系统中。
3.
An adaptive Kalman filtering is applied in GPS/DR integrated navigation to control the influences of outlying movement disturbances.
针对GPS/DR组合导航Kalman滤波的异常扰动影响问题,引入了自适应滤波算法。
3)  GPS/DR/DMAP integrated system
GPS/DR/DMAP组合导航
1.
GPS/DR/DMAP integrated system for vehicle navigation;
一种车辆GPS/DR/DMAP组合导航系统
4)  GPS/DR Positioning
GPS/DR组合定位
5)  GPS/DR/GIS integrated position
GPS/DR/GIS组合定位
6)  GPS/DR/MM integrated positioning
GPS/DR/MM组合定位
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性质:学名苯乙烯-2-乙烯吡啶共聚物。微黄色粉末或透明小颗粒晶体。无臭,无味。不溶于水,溶于酸、乙醇、丙酮、氯仿。有抗水、防潮性能,适用于多种药片的包衣等。

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