Method and apparatus for determining vehicle position using a satellite
based navigation system
    6.
    发明授权
    Method and apparatus for determining vehicle position using a satellite based navigation system 失效
    使用基于卫星的导航系统来确定车辆位置的方法和装置

    公开(公告)号:US5359521A

    公开(公告)日:1994-10-25

    申请号:US983697

    申请日:1992-12-01

    摘要: An apparatus and method for determining the position of a vehicle relative to the center of the Earth uses navigation signals from a satellite based navigation system which includes a plurality of satellites orbiting the Earth. In one embodiment, a plurality of antennas are mounted on the vehicle. The distance between the antennas is precisely known. This distance is used to constrain the solution of a vehicle position estimate to improve the accuracy of the position estimate. In another embodiment, a plurality of receiver systems are used in place of the plurality of antennas. In yet another embodiment, a plurality of base stations with known positions are used to constrain the solution of the vehicle position estimate.

    摘要翻译: 用于确定车辆相对于地球中心的位置的装置和方法使用来自基于卫星的导航系统的导航信号,该导航信号包括围绕地球的多个卫星。 在一个实施例中,多个天线安装在车辆上。 天线之间的距离是已知的。 该距离用于约束车辆位置估计的解,以提高位置估计的准确性。 在另一个实施例中,使用多个接收机系统来代替多个天线。 在另一个实施例中,具有已知位置的多个基站用于约束车辆位置估计的解。

    Antenna mounting apparatus
    7.
    发明授权
    Antenna mounting apparatus 失效
    天线安装装置

    公开(公告)号:US5410325A

    公开(公告)日:1995-04-25

    申请号:US103369

    申请日:1993-08-09

    IPC分类号: H01Q1/00 H01Q1/18 H01Q1/32

    CPC分类号: H01Q1/18 H01Q1/005 H01Q1/3283

    摘要: An apparatus for mounting an antenna assembly to an elevationally movable portion of a vehicle dump bed includes a mountable support member having first and second end portions. The first end portion is fixed to the vehicle bed. The antenna assembly has an active element connected to a first end of a mounting element and a counterweight element connected to a second end of a mounting element. An intermediate portion of the mounting element is connected to the second end portion of the mountable support member. The antenna assembly is therefore free to rotate about at least one axis parallel to the axis of rotation of the elevationally movable dump bed.

    摘要翻译: 一种用于将天线组件安装到车辆倾卸床的可升高的部分的装置包括具有第一和第二端部的可安装的支撑构件。 第一端部固定在车床上。 天线组件具有连接到安装元件的第一端的有源元件和连接到安装元件的第二端的配重元件。 安装元件的中间部分连接到可安装的支撑构件的第二端部。 因此,天线组件可以围绕平行于可升降转台的旋转轴线的至少一个轴线自由旋转。