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公开(公告)号：US08471762B2
公开(公告)日：2013-06-25
申请号：US13413481
申请日：2012-03-06
IPC分类号： G01S19/47
CPC分类号： G01S19/55 , G01C21/165 , G01S19/35
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20120218143A1
公开(公告)日：2012-08-30
申请号：US13413481
申请日：2012-03-06
IPC分类号： G01S19/47
CPC分类号： G01S19/55 , G01C21/165 , G01S19/35
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20110068975A1
公开(公告)日：2011-03-24
申请号：US12563893
申请日：2009-09-21
IPC分类号： G01S19/53
CPC分类号： G01S19/55 , G01C21/165 , G01S19/35
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US08130142B2
公开(公告)日：2012-03-06
申请号：US12563893
申请日：2009-09-21
IPC分类号： G01S19/53
CPC分类号： G01S19/55 , G01C21/165 , G01S19/35
摘要： 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.
摘要翻译： 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。
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