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    • 2. 发明申请
    • PRECISION RADAR ALTIMETER WITH TERRAIN FEATURE COORDINATE LOCATION CAPABILITY
    • 具有特征功能的精密雷达测高仪坐标位置能力
    • WO0159474A3
    • 2002-02-14
    • PCT/US0103229
    • 2001-02-01
    • HONEYWELL INT INC
    • HAGER JAMES RALMSTED LARRY DPETRICH CURTIS J
    • B64D45/00G01S7/292G01S13/10G01S13/18G01S13/46G01S13/524G01S13/88G01S13/94
    • G01S13/882G01S7/292G01S13/18G01S13/46G01S13/524G01S13/94
    • A radar altimeter for determining altitude of an air vehicle comprises a transmitter for transmitting radar signals toward the ground. A first and a second antenna receive reflected radar signals from the ground. A signal processor is coupled to the first and the second antennas. The signal processor includes filter means for rejecting signals other than signals reflected from a selected ground swath. The signal processor determines the above ground level altitude of the air vehicle based on the radar signals output from the filter means. A phase ambiguity resolution means resolves phase ambiguities that arise due to multiple wavelength separation of the first and the second antenna. The signal processor also determines the horizontal position of the highest point in the selected ground swath. In a preferred embodiment, the phase ambiguity resolution means comprises a third antenna spaced closely to the first antenna such that there are no phase ambiguities between the reflected radar signals received by the third antenna and the first antenna.
    • 用于确定空中交通工具的高度的雷达高度计包括用于向地面发射雷达信号的发射机。 第一和第二天线从地面接收反射的雷达信号。 信号处理器耦合到第一和第二天线。 信号处理器包括滤波器装置,用于拒绝除了从所选​​地线所反射的信号之外的信号。 信号处理器基于从过滤装置输出的雷达信号确定空中交通工具的上述地面高度。 相位歧义解决方案解决由于第一和第二天线的多波长分离而产生的相位模糊度。 信号处理器还确定所选接地线中最高点的水平位置。 在优选实施例中,相位模糊度分辨装置包括与第一天线紧密相邻的第三天线,使得在由第三天线和第一天线接收的反射的雷达信号之间不存在相位模糊。
    • 3. 发明申请
    • METHODS AND SYSTEMS FOR ENHANCING ACCURACY OF TERRAIN AIDED NAVIGATION SYSTEMS
    • 提高地形辅助导航系统精度的方法和系统
    • WO2005121831A3
    • 2007-05-10
    • PCT/US2005019334
    • 2005-06-02
    • HONEYWELL INT INCHAGER JAMES RALMSTED LARRY D
    • HAGER JAMES RALMSTED LARRY D
    • G01C21/00G01C21/26G01S13/00G01S13/86G01S13/88G06F19/00
    • G01C21/005G01S5/0252G01S13/86G01S13/882
    • A navigation system (200) is described which includes a navigation processor (208), an inertial navigation unit (206) configured to provide a position solution to the navigation processor, and a digital elevation map (212). The described navigation system also includes a radar altimeter (50) having a terrain correlation processor (210) configured to receive map data from the digital elevation map and provide a position solution based on radar return data to the navigation processor. A map quality processor (202) within the navigation system is configured to receive map data from the digital elevation map and provide a map quality factor to the navigation processor which weights (256) the position solution from the terrain correlation processor according to the map quality factor and determines a position solution from the weighted terrain correlation processor position solution and the position solution from the inertial navigation unit.
    • 描述了包括导航处理器(208),被配置为向导航处理器提供位置解决方案的惯性导航单元(206)以及数字高程图(212)的导航系统(200)。 所描述的导航系统还包括雷达高度计(50),其具有被配置为从数字高程图接收地图数据并且基于雷达返回数据向导航处理器提供位置解的地形相关处理器(210)。 导航系统内的地图质量处理器(202)被配置为从数字高程地图接收地图数据,并向导航处理器提供地图质量因子,其根据地图​​质量从地形相关处理器加权(256) 因子,并根据加权地形相关处理器位置解决方案和来自惯性导航单元的位置解决方案确定位置解决方案。
    • 6. 发明申请
    • METHODS AND SYSTEMS FOR ENHANCING ACCURACY OF TERRAIN AIDED NAVIGATION SYSTEMS
    • 增强导航导航系统精度的方法与系统
    • WO2005121831A8
    • 2007-03-01
    • PCT/US2005019334
    • 2005-06-02
    • HONEYWELL INT INCHAGER JAMES RALMSTED LARRY D
    • HAGER JAMES RALMSTED LARRY D
    • G01S13/00G01C21/00G01C21/26G01S13/86G01S13/88G06F19/00
    • G01C21/005G01S5/0252G01S13/86G01S13/882
    • A navigation system (200) is described which includes a navigation processor (208), an inertial navigation unit (206) configured to provide a position solution to the navigation processor, and a digital elevation map (212). The described navigation system also includes a radar altimeter (50) having a terrain correlation processor (210) configured to receive map data from the digital elevation map and provide a position solution based on radar return data to the navigation processor. A map quality processor (202) within the navigation system is configured to receive map data from the digital elevation map and provide a map quality factor to the navigation processor which weights (256) the position solution from the terrain correlation processor according to the map quality factor and determines a position solution from the weighted terrain correlation processor position solution and the position solution from the inertial navigation unit.
    • 描述了一种导航系统(200),其包括导航处理器(208),被配置为向导航处理器提供位置解决方案的惯性导航单元(206)和数字高程图(212)。 所描述的导航系统还包括具有地形相关处理器(210)的雷达高度计(50),其被配置为从数字高程图接收地图数据,并且向导航处理器提供基于雷达返回数据的位置解。 导航系统内的地图质量处理器(202)被配置为从数字高程图接收地图数据,并向导航处理器提供地图品质因子,该导航处理器根据地图质量权重(256)来自地形相关处理器的位置解 并从加权地形相关处理器位置解决方案和来自惯性导航单元的位置解决方案确定位置解。
    • 8. 发明申请
    • SYSTEM AND METHODS FOR GUIDING MUNITIONS
    • 指导弹药的系统和方法
    • WO2006085951A3
    • 2006-10-05
    • PCT/US2005021850
    • 2005-06-17
    • HONEYWELL INT INCTHOMAS STEVE HHAGER JAMES R
    • THOMAS STEVE HHAGER JAMES R
    • F41G7/00F41G7/22F41G9/00F42B10/60F42B10/62G01S3/56G01S13/42
    • F41G7/222G01S3/56G01S13/422
    • A method of guiding a munition (20) to a target (10) transmitting one or more signals is described. The method includes configuring the munition with a radio frequency receiver (60), an antenna (62) for the receiver mounted such that a main beam of the antenna pattern (40) for the antenna is offset from a line of flight axis (42) of the munition by an angle (26) and configuring the munition to rotate along an axis substantially similar to the line of flight axis of the munition. The method also includes configuring the munition to process signals received at the antenna, wherein heading changes of the munition, the angle of the main beam of the antenna from the line of flight axis, and the rotation of the munition result in the received signals having amplitude variations. Directional corrections are: generated for the munition to direct the munition towards the target based on amplitude variations in the received signals.
    • 描述了将军火(20)引导到发送一个或多个信号的目标(10)的方法。 该方法包括用射频接收器(60)配置弹药,安装接收器的天线(62),使得天线的天线图案(40)的主射束偏离飞行轴线(42)的一条线, 以一定角度(26)弹药并配置弹药沿着基本上类似于弹药的飞行轴线的轴线旋转。 该方法还包括配置弹药以处理在天线处接收到的信号,其中弹药的方位改变,天线的主束的角度与飞行轴线的角度以及弹药的旋转导致接收到的信号具有 幅度变化。 定向校正是:为弹药根据接收信号的幅度变化将弹药引向目标而产生。