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    • 1. 发明申请
    • VEHICLE NAVIGATION USING NON-GPS LEO SIGNALS AND ON-BOARD SENSORS
    • 使用非GPS低信号和车载传感器的车辆导航
    • WO2011159384A2
    • 2011-12-22
    • PCT/US2011030109
    • 2011-03-26
    • PSIAKI MARK LOCKWOODMILLER ISAAC THOMASLEDVINA BRENT MICHAEL
    • PSIAKI MARK LOCKWOODMILLER ISAAC THOMASLEDVINA BRENT MICHAEL
    • G01C21/28G01C21/10G01C21/26G01S5/02G01S19/03
    • G01S19/42G01C21/28G01S19/215G01S19/31G01S19/45
    • A navigation system includes a navigation radio (10) and a sensor (14) onboard a vehicle (11). The navigation radio receives and processes low earth orbit RF signals to derive range observables for a corresponding LEO satellite (12). A sensor is operable to generate at least one of vehicle speed data, acceleration data, angular rate data and rotational angle data under high vehicle dynamics. The navigation radio includes a navigation code operable to obtain a position, velocity and time solution (a "navigation solution") based on the one or more range observables, ephemerides for the corresponding LEO satellite, a heading pseudomeasurement, a navigation radio altitude pseudomeasurement; one or more vehicle velocity pseudomeasurements orthogonal to the altitude pseudomeasurements; and the generated at least one of vehicle speed data, acceleration data, angular rate data and rotational angle data. The navigation radio uses the navigation solution to acquire a GPS signal during interference with a coarse acquisition GPS signal.
    • 导航系统包括导航无线电(10)和车辆(11)上的传感器(14)。 导航无线电接收和处理低地球轨道RF信号以导出对应的LEO卫星(12)的范围可观测值。 传感器可操作以在高车辆动力学下产生车速数据,加速度数据,角速度数据和旋转角度数据中的至少一个。 导航无线电装置包括可操作以基于一个或多个范围可观测量获得位置,速度和时间解决的导航代码,用于相应LEO卫星的星历,航向伪测量,导航无线电高度假测量; 与高度假测量正交的一个或多个车辆速度假测量; 并且生成车速数据,加速度数据,角速度数据和旋转角度数据中的至少一个。 导航无线电使用导航解决方案在干扰粗略采集GPS信号期间获取GPS信号。
    • 3. 发明申请
    • VEHICLE NAVIGATION USING NON-GPS LEO SIGNALS AND ON-BOARD SENSORS
    • 使用非GPS低信号和车载传感器的车辆导航
    • US20110238307A1
    • 2011-09-29
    • US13072939
    • 2011-03-28
    • Mark Lockwood PsiakiIsaac Thomas MillerBrent Michael Ledvina
    • Mark Lockwood PsiakiIsaac Thomas MillerBrent Michael Ledvina
    • G01C21/00G01S19/00G01S19/45
    • G01S19/42G01C21/28G01S19/215G01S19/31G01S19/45
    • A navigation system includes a navigation radio and a sensor onboard a vehicle. The navigation radio receives and processes low earth orbit RF signals to derive range observables for a corresponding LEO satellite. A sensor is operable to generate at least one of vehicle speed data, acceleration data, angular rate data and rotational angle data under high vehicle dynamics. The navigation radio includes a navigation code operable to obtain a position, velocity and time solution (a “navigation solution”) based on the one or more range observables, ephemerides for the corresponding LEO satellite, a heading pseudomeasurement, a navigation radio altitude pseudomeasurement; one or more vehicle velocity pseudomeasurements orthogonal to the altitude pseudomeasurements; and the generated at least one of vehicle speed data, acceleration data, angular rate data and rotational angle data. The navigation radio uses the navigation solution to acquire a GPS signal during interference with a coarse acquisition GPS signal.
    • 导航系统包括导航无线电和车载传感器。 导航无线电接收和处理低地球轨道RF信号,以得到对应的LEO卫星的范围可观测值。 传感器可操作以在高车辆动力学下产生车速数据,加速度数据,角速度数据和旋转角度数据中的至少一个。 导航无线电装置包括可操作以基于一个或多个范围可观测量获得位置,速度和时间解决的导航代码,用于相应LEO卫星的星历,航向伪测量,导航无线电高度假测量; 与高度假测量正交的一个或多个车辆速度假测量; 并且生成车速数据,加速度数据,角速度数据和旋转角度数据中的至少一个。 导航无线电使用导航解决方案在干扰粗略采集GPS信号时获取GPS信号。