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Systems and methods for estimating attitude using double differenced GPS carrier phase measurements

机译:使用双差分GPS载波相位测量值估算姿态的系统和方法

摘要

Systems and methods for estimating attitude using double differenced GPS carrier phase measurements are provided. An exemplary computer-implemented method includes obtaining, by one or more computing devices, an initial candidate attitude. The method includes determining, by the one or more computing devices, a plurality of expected double differenced carrier phase values based on the initial candidate attitude. The method includes inputting, by the one or more computing devices, the plurality of expected double differenced carrier phase values into a cost function. The cost function respectively compares the plurality of expected double differenced carrier phase values to a plurality of measured double differenced carrier phase values. The method includes minimizing, by the one or more computing devices, the cost function. The method includes selecting, by the one or more computing devices, a final candidate attitude associated with the minimized cost function as the attitude of the device.
机译:提供了使用双差分GPS载波相位测量来估计姿态的系统和方法。一种示例性计算机实现的方法包括:通过一个或多个计算设备获得初始候选姿态。该方法包括由一个或多个计算设备基于初始候选姿态确定多个期望的双差载波相位值。该方法包括通过一个或多个计算设备将多个期望的双差载波相位值输入到成本函数中。代价函数分别将多个期望的双差分载波相位值与多个测得的双差分载波相位值进行比较。该方法包括通过一个或多个计算设备最小化成本函数。该方法包括由一个或多个计算设备选择与最小化成本函数相关联的最终候选姿态作为该设备的姿态。

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