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    • 1. 发明申请
    • GNSS ULTRA-SHORT BASELINE HEADING DETERMINATION SYSTEM AND METHOD
    • GNSS超短基线测头系统及方法
    • US20120218143A1
    • 2012-08-30
    • US13413481
    • 2012-03-06
    • John M. ZietzRobert M. AllenRobert V. Weinmann
    • John M. ZietzRobert M. AllenRobert V. Weinmann
    • G01S19/47
    • G01S19/55G01C21/165G01S19/35
    • A heading determination system comprises an inertial measurement unit (IMU) coupled with at least two GNSS receivers, each receiver paired with and receiving signals from a corresponding GNSS antenna, wherein the GNSS antennas are separated by an ultra-short baseline. The heading determination system receives signals broadcast by a plurality of GNSS satellites and calculates the phase difference in the signal seen among the separate GNSS antennas. Using this phase difference information, derived from comparing the signals received from a plurality of GNSS satellites, along with attitude data generated by the IMU, the heading determination system calculates a highly-accurate heading solution. A method is provided for determining a heading of a system including an IMU coupled with at least two GNSS receivers, with each receiver being paired with and receiving signals from a corresponding GNSS antenna and the antennas being separated by an ultra-short baseline.
    • 航向确定系统包括与至少两个GNSS接收机耦合的惯性测量单元(IMU),每个接收机与相应GNSS天线配对并接收来自相应GNSS天线的信号,其中GNSS天线由超短基线隔开。 航向确定系统接收由多个GNSS卫星广播的信号,并计算在分离的GNSS天线之间看到的信号中的相位差。 使用通过比较从多个GNSS卫星接收的信号得到的相位差信息,以及由IMU生成的姿态数据,航向确定系统计算高准确的航向解决方案。 提供了一种用于确定包括与至少两个GNSS接收器耦合的IMU的系统的航向的方法,其中每个接收机与相应的GNSS天线配对并接收来自相应的GNSS天线的信号,并且所述天线被超短基线隔开。
    • 2. 发明授权
    • GNSS ultra-short baseline heading determination system and method
    • GNSS超短基线航向确定系统及方法
    • US08471762B2
    • 2013-06-25
    • US13413481
    • 2012-03-06
    • John M. ZietzRobert M. AllenRobert V. Weinmann
    • John M. ZietzRobert M. AllenRobert V. Weinmann
    • G01S19/47
    • G01S19/55G01C21/165G01S19/35
    • A heading determination system comprises an inertial measurement unit (IMU) coupled with at least two GNSS receivers, each receiver paired with and receiving signals from a corresponding GNSS antenna, wherein the GNSS antennas are separated by an ultra-short baseline. The heading determination system receives signals broadcast by a plurality of GNSS satellites and calculates the phase difference in the signal seen among the separate GNSS antennas. Using this phase difference information, derived from comparing the signals received from a plurality of GNSS satellites, along with attitude data generated by the IMU, the heading determination system calculates a highly-accurate heading solution. A method is provided for determining a heading of a system including an IMU coupled with at least two GNSS receivers, with each receiver being paired with and receiving signals from a corresponding GNSS antenna and the antennas being separated by an ultra-short baseline.
    • 航向确定系统包括与至少两个GNSS接收机耦合的惯性测量单元(IMU),每个接收机与相应GNSS天线配对并接收来自相应GNSS天线的信号,其中GNSS天线由超短基线隔开。 航向确定系统接收由多个GNSS卫星广播的信号,并计算在分离的GNSS天线之间看到的信号中的相位差。 使用通过比较从多个GNSS卫星接收的信号得到的相位差信息,以及由IMU生成的姿态数据,航向确定系统计算高准确的航向解决方案。 提供了一种用于确定包括与至少两个GNSS接收器耦合的IMU的系统的航向的方法,其中每个接收机与相应的GNSS天线配对并接收来自相应的GNSS天线的信号,并且所述天线被超短基线隔开。
    • 3. 发明授权
    • GNSS ultra-short baseline heading determination system and method
    • GNSS超短基线航向确定系统及方法
    • US08130142B2
    • 2012-03-06
    • US12563893
    • 2009-09-21
    • John M. ZietzRobert M. AllenRobert V. Weinmann
    • John M. ZietzRobert M. AllenRobert V. Weinmann
    • G01S19/53
    • G01S19/55G01C21/165G01S19/35
    • A heading determination system comprises an inertial measurement unit (IMU) coupled with at least two GNSS receivers, each receiver paired with and receiving signals from a corresponding GNSS antenna, wherein the GNSS antennas are separated by an ultra-short baseline. The heading determination system receives signals broadcast by a plurality of GNSS satellites and calculates the phase difference in the signal seen among the separate GNSS antennas. Using this phase difference information, derived from comparing the signals received from a plurality of GNSS satellites, along with attitude data generated by the IMU, the heading determination system calculates a highly-accurate heading solution. A method is provided for determining a heading of a system including an IMU coupled with at least two GNSS receivers, with each receiver being paired with and receiving signals from a corresponding GNSS antenna and the antennas being separated by an ultra-short baseline.
    • 航向确定系统包括与至少两个GNSS接收机耦合的惯性测量单元(IMU),每个接收机与相应GNSS天线配对并接收来自相应GNSS天线的信号,其中GNSS天线由超短基线隔开。 航向确定系统接收由多个GNSS卫星广播的信号,并计算在分离的GNSS天线之间看到的信号中的相位差。 使用通过比较从多个GNSS卫星接收的信号得到的相位差信息,以及由IMU生成的姿态数据,航向确定系统计算高准确的航向解决方案。 提供了一种用于确定包括与至少两个GNSS接收器耦合的IMU的系统的航向的方法,其中每个接收机与相应的GNSS天线配对并接收来自相应的GNSS天线的信号,并且所述天线被超短基线隔开。
    • 4. 发明申请
    • GNSS ULTRA-SHORT BASELINE HEADING DETERMINATION SYSTEM AND METHOD
    • GNSS超短基线测头系统及方法
    • US20110068975A1
    • 2011-03-24
    • US12563893
    • 2009-09-21
    • John M. ZietzRobert M. AllenRobert V. Weinmann
    • John M. ZietzRobert M. AllenRobert V. Weinmann
    • G01S19/53
    • G01S19/55G01C21/165G01S19/35
    • A heading determination system comprises an inertial measurement unit (IMU) coupled with at least two GNSS receivers, each receiver paired with and receiving signals from a corresponding GNSS antenna, wherein the GNSS antennas are separated by an ultra-short baseline. The heading determination system receives signals broadcast by a plurality of GNSS satellites and calculates the phase difference in the signal seen among the separate GNSS antennas. Using this phase difference information, derived from comparing the signals received from a plurality of GNSS satellites, along with attitude data generated by the IMU, the heading determination system calculates a highly-accurate heading solution. A method is provided for determining a heading of a system including an IMU coupled with at least two GNSS receivers, with each receiver being paired with and receiving signals from a corresponding GNSS antenna and the antennas being separated by an ultra-short baseline.
    • 航向确定系统包括与至少两个GNSS接收机耦合的惯性测量单元(IMU),每个接收机与相应GNSS天线配对并接收来自相应GNSS天线的信号,其中GNSS天线由超短基线隔开。 航向确定系统接收由多个GNSS卫星广播的信号,并计算在分离的GNSS天线之间看到的信号中的相位差。 使用通过比较从多个GNSS卫星接收的信号得到的相位差信息,以及由IMU生成的姿态数据,航向确定系统计算高准确的航向解决方案。 提供了一种用于确定包括与至少两个GNSS接收器耦合的IMU的系统的航向的方法,其中每个接收机与相应的GNSS天线配对并接收来自相应的GNSS天线的信号,并且所述天线被超短基线隔开。