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    • 3. 发明申请
    • MOBILE-UNIT POSITIONING DEVICE
    • 移动单元定位设备
    • US20100026566A1
    • 2010-02-04
    • US12444161
    • 2008-02-19
    • Akihiro UedaIwao MaedaKiyomi NagamiyaYasuhiro TajimaNaoto Hasegawa
    • Akihiro UedaIwao MaedaKiyomi NagamiyaYasuhiro TajimaNaoto Hasegawa
    • G01S5/14
    • G01S19/42G01S19/48G01S19/52
    • In a mobile-unit positioning device, phases of pseudo noise codes carried on satellite signals from satellites are observed at a mobile unit to measure a position of the mobile unit. A pseudo distance between one of the satellites and the mobile unit is measured for every satellite during a stop of the mobile unit using an observed value of the phase acquired during a stop of the mobile unit. An error index value indicating an error of the measured distance is computed based on the distances measured at points in time during a stop of the mobile unit. A weighting factor is determined based on the index value computed for every satellite. A weighted positioning computation using the determined weighting factor is performed to determine a position of the mobile unit during movement using an observed value of the phase acquired during movement.
    • 在移动单元定位设备中,在移动单元处观察到来自卫星的卫星信号携带的伪噪声码的相位,以测量移动单元的位置。 在移动单元的停止期间,使用在移动单元的停止期间获取的相位的观测值,测量卫星和移动单元之间的伪距离。 基于在移动单元停止期间的时间点测量的距离来计算指示测量距离的误差的误差指数值。 基于为每个卫星计算的指标值确定加权因子。 执行使用确定的加权因子的加权定位计算,以使用在运动期间获取的相位的观测值来确定移动单元在移动期间的位置。
    • 4. 发明授权
    • Mobile unit positioning device
    • 移动单元定位装置
    • US07978127B2
    • 2011-07-12
    • US12444161
    • 2008-02-19
    • Akihiro UedaIwao MaedaKiyomi NagamiyaYasuhiro TajimaNaoto Hasegawa
    • Akihiro UedaIwao MaedaKiyomi NagamiyaYasuhiro TajimaNaoto Hasegawa
    • G01S19/40
    • G01S19/42G01S19/48G01S19/52
    • In a mobile-unit positioning device, phases of pseudo noise codes carried on satellite signals from satellites are observed at a mobile unit to measure a position of the mobile unit. A pseudo distance between one of the satellites and the mobile unit is measured for every satellite during a stop of the mobile unit using an observed value of the phase acquired during a stop of the mobile unit. An error index value indicating an error of the measured distance is computed based on the distances measured at points in time during a stop of the mobile unit. A weighting factor is determined based on the index value computed for every satellite. A weighted positioning computation using the determined weighting factor is performed to determine a position of the mobile unit during movement using an observed value of the phase acquired during movement.
    • 在移动单元定位设备中,在移动单元处观察到来自卫星的卫星信号携带的伪噪声码的相位,以测量移动单元的位置。 在移动单元的停止期间,使用在移动单元的停止期间获取的相位的观测值来测量卫星和移动单元之间的伪距离。 基于在移动单元停止期间的时间点测量的距离来计算指示测量距离的误差的误差指数值。 基于为每个卫星计算的指标值确定加权因子。 执行使用确定的加权因子的加权定位计算,以使用在运动期间获取的相位的观测值来确定移动单元在移动期间的位置。
    • 6. 发明授权
    • Positioning system, positioning method and car navigation system
    • 定位系统,定位方法和汽车导航系统
    • US07869950B2
    • 2011-01-11
    • US12089645
    • 2007-02-15
    • Akihiro UedaIwao MaedaKiyomi NagamiyaYasuhiro Tajima
    • Akihiro UedaIwao MaedaKiyomi NagamiyaYasuhiro Tajima
    • G01C21/00
    • G01C21/28G01S19/49
    • A positioning system 10 includes a positioning unit 15 configured to perform position estimation based on radio signals from artificial satellites and an autonomous navigation unit 14 configured to perform position estimation by autonomous navigation. In the positioning system 10, the positioning unit 15 and the autonomous navigation unit 14 estimate the position of a mobile body in cooperation with each other; and when the number of the artificial satellites available is less than three, the positioning unit determines a point in an area calculated based on the radio signals which point is closest to an inertial-navigation-based position calculated by autonomous navigation, and uses the determined point as a satellite-based position estimated based on the radio signals.
    • 定位系统10包括:基于来自人造卫星的无线电信号执行位置估计的定位单元15,以及被配置为通过自主导航执行位置估计的自主导航单元14。 在定位系统10中,定位单元15和自主导航单元14相互协调地估计移动体的位置; 并且当可用的人造卫星的数量小于3时,定位单元确定基于通过自主导航计算的最接近基于惯性导航的位置的无线电信号计算的区域中的点,并且使用确定的 作为基于无线电信号估计的基于卫星的位置。
    • 7. 发明授权
    • Device for measuring a position of a mobile station
    • 用于测量移动台的位置的装置
    • US08035554B2
    • 2011-10-11
    • US12515540
    • 2007-11-13
    • Yasuhiro TajimaNaoto HasegawaAkihiro UedaKiyomi NagamiyaMitsuru NakamuraNaoto Shibata
    • Yasuhiro TajimaNaoto HasegawaAkihiro UedaKiyomi NagamiyaMitsuru NakamuraNaoto Shibata
    • G01S19/48H04B17/00
    • G01S19/49G01S19/44G01S19/48
    • A device for measuring a position of a mobile station according to the present invention comprises: first measuring means for measuring the position of the mobile station based on observed data of signals from satellites using a one-epoch measuring method; second measuring means for measuring the position of the mobile station using previous determination result of the position of the mobile station and speed information representative of a speed of the mobile station; third measuring means for measuring the position of the mobile station using solutions of variables derived from previous determination results of the first or second measuring means; and controlling means 60 for selecting one of the respective measuring means which is to execute its measuring process; wherein if reliability of the determination result of the selected measuring means is lower than a predetermined reference value, the controlling means selects another measuring means to make it execute its measuring process.
    • 根据本发明的用于测量移动台的位置的装置包括:第一测量装置,用于使用一时刻测量方法基于来自卫星的信号的观测数据来测量移动台的位置; 第二测量装置,用于使用移动台的位置的先前确定结果和表示移动台的速度的速度信息来测量移动台的位置; 第三测量装置,用于使用从第一或第二测量装置的先前确定结果导出的变量的解决方案来测量移动台的位置; 以及控制装置60,用于选择要执行其测量处理的相应测量装置中的一个; 其中如果所选择的测量装置的确定结果的可靠性低于预定的参考值,则控制装置选择另一个测量装置来执行其测量过程。
    • 8. 发明申请
    • DEVICE FOR MEASURING A POSITION OF A MOBILE STATION
    • 用于测量移动站位置的装置
    • US20100048140A1
    • 2010-02-25
    • US12515540
    • 2007-11-13
    • Yasuhiro TajimaNaoto HasegawaAkihiro UedaKiyomi NagamiyaMitsuru NakamuraNaoto Shibata
    • Yasuhiro TajimaNaoto HasegawaAkihiro UedaKiyomi NagamiyaMitsuru NakamuraNaoto Shibata
    • H04B17/00
    • G01S19/49G01S19/44G01S19/48
    • A device for measuring a position of a mobile station according to the present invention comprises: first measuring means for measuring the position of the mobile station based on observed data of signals from satellites using a one-epoch measuring method; second measuring means for measuring the position of the mobile station using previous determination result of the position of the mobile station and speed information representative of a speed of the mobile station; third measuring means for measuring the position of the mobile station using solutions of variables derived from previous determination results of the first or second measuring means; and controlling means 60 for selecting one of the respective measuring means which is to execute its measuring process; wherein if reliability of the determination result of the selected measuring means is lower than a predetermined reference value, the controlling means selects another measuring means to make it execute its measuring process.
    • 根据本发明的用于测量移动台的位置的装置包括:第一测量装置,用于使用一时刻测量方法基于来自卫星的信号的观测数据来测量移动台的位置; 第二测量装置,用于使用移动台的位置的先前确定结果和表示移动台的速度的速度信息来测量移动台的位置; 第三测量装置,用于使用从第一或第二测量装置的先前确定结果导出的变量的解决方案来测量移动台的位置; 以及控制装置60,用于选择要执行其测量处理的相应测量装置中的一个; 其中如果所选择的测量装置的确定结果的可靠性低于预定的参考值,则控制装置选择另一个测量装置来执行其测量过程。
    • 10. 发明授权
    • Inter-moving body interferometric positioning system, device and method thereof
    • 移动体干涉定位系统,装置及其方法
    • US08423289B2
    • 2013-04-16
    • US12989319
    • 2009-04-23
    • Kazunori KagawaMasafumi UchiharaYasuhiro Tajima
    • Kazunori KagawaMasafumi UchiharaYasuhiro Tajima
    • G01S5/14G01C21/00
    • G01S5/0072G01S19/44G01S19/51
    • An inter-moving body interferometric positioning system for carrying out positioning in coordination with three or more moving bodies that can mutually communicate, including: a reference vehicle decision unit for deciding on a single moving body to function as a reference vehicle from among three or more moving bodies, and a positioning unit for interferometrically determining respective relative positions of other moving bodies relative to the reference moving body that is to function as a reference vehicle decided on by the reference moving body decision unit using satellite wave monitoring data monitored in each of the three or more moving bodies. This inter-moving body interferometric positioning system specifies relative positions among the other moving bodies using positioning results of the positioning unit.
    • 一种移动体干涉定位系统,用于与可相互通信的三个或更多个移动体协调地执行定位,包括:参考车辆决定单元,用于从三个或更多个中选择用作参考车辆的单个移动体 移动体和定位单元,用于干涉地确定其他移动体相对于参考移动体的各自的相对位置,该基准运动体将用作参考运动物体决定单元所决定的参考车辆,其中,所述参考移动体使用在每个 三个或更多的移动体。 该移动体间干涉定位系统使用定位单元的定位结果来指定其他移动体中的相对位置。