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    • 6. 发明授权
    • Methods and systems for underwater navigation
    • 水下导航方法与系统
    • US07778111B2
    • 2010-08-17
    • US12051740
    • 2008-03-19
    • Wesley J. HawkinsonKevin SweeneyRandolph G. Hartman
    • Wesley J. HawkinsonKevin SweeneyRandolph G. Hartman
    • G01S15/88
    • G01S15/60G01C21/165G01S15/025G01S15/06Y02A90/36
    • A method for navigating underwater is disclosed. The method uses a navigation system to project a first velocity measurement along one or more signal beams having a second velocity measurement, where the second velocity measurement is related to at least one of the one or more signal beams. The method determines a position and location of an object associated with the navigation system based on a prediction of at least the second velocity measurement, and the navigation system is adjusted to perform within a prescribed measurement range based on a covariance of the first and second velocity measurements. The performance adjustments made in determining the position and location of the object are operable independent of the navigation system maintaining each of the signal beams due to one or more external environmental conditions.
    • 公开了一种导航水下的方法。 该方法使用导航系统沿着具有第二速度测量的一个或多个信号波束投影第一速度测量,其中第二速度测量与所述一个或多个信号波束中的至少一个相关。 该方法基于至少第二速度测量的预测来确定与导航系统相关联的对象的位置和位置,并且基于第一和第二速度的协方差来调整导航系统在规定的测量范围内执行 测量。 在确定物体的位置和位置时进行的性能调整可独立于由于一个或多个外部环境条件维持每个信号光束的导航系统而操作。