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1. 发明授权

US09322918B2 GNSS surveying methods and apparatus 有权
标题翻译： GNSS测量方法和装置
公开(公告)号：US09322918B2
公开(公告)日：2016-04-26
申请号：US13148305
申请日：2010-02-20
申请人： Ulrich Vollath , Nicholas Charles Talbot
发明人： Ulrich Vollath , Nicholas Charles Talbot
IPC分类号： G01S19/43 , G01S19/04 , G01S19/07 , G01S19/41
CPC分类号： G01S19/04 , G01S19/07 , G01S19/41 , G01S19/43
摘要： Methods and apparatus are presented for improved productivity in determining static position of an antenna of a GNSS rover, such as in stop-and-go surveying. Computer-implemented methods and apparatus provide for determining a static position of an antenna of a GNSS rover from observations of GNSS signals collected at the antenna over multiple epochs and from correction data for at least one of the epochs. In some forms this comprises: acquiring first-epoch rover observations of GNSS signals received at the antenna during a first epoch, obtaining first-epoch correction data for the first epoch, determining a synchronized rover antenna position for the first epoch from the first-epoch rover observations and the first-epoch correction data, acquiring subsequent-epoch rover observations from the received GNSS satellite signals for at least one subsequent epoch for which correction data is unavailable, determining that the antenna position remained static for at least two static epochs, and determining an updated rover antenna position from the synchronized rover antenna position and the subsequent-epoch rover observations of at least one static epoch of the at least one subsequent epoch.
摘要翻译：介绍了确定GNSS漫游器天线静态位置的方法和装置，例如停止测量。计算机实现的方法和装置提供用于根据在多个时期在天线处收集的GNSS信号和从至少一个时期的校正数据的观测来确定GNSS漫游器的天线的静态位置。在某些形式中，这包括：获取在第一纪元期间在天线处接收的GNSS信号的第一时期流动站观测值，获得第一时期的第一时期校正数据，从第一时期确定用于第一时期的同步的漫游者天线位置流动站观测和第一时代校正数据，从接收到的GNSS卫星信号中获取随后的时间流动站观测值，用于对于校正数据不可用的至少一个后续历元，确定天线位置对于至少两个静态时期保持静止，以及从所述同步的漫游器天线位置确定更新的漫游器天线位置，以及所述至少一个后续时期的至少一个静态历元的后续时刻流动站观测。

2. 发明申请

US20140015712A1 GNSS Signal Processing with Ionospheric Bridging for Reconvergence 有权
标题翻译：用于重构的电离层桥接的GNSS信号处理
公开(公告)号：US20140015712A1
公开(公告)日：2014-01-16
申请号：US14002332
申请日：2012-03-11
申请人： Rodrigo Leandro , Ulrich Vollath , Nicholas Charles Talbot
发明人： Rodrigo Leandro , Ulrich Vollath , Nicholas Charles Talbot
IPC分类号： G01S19/44
CPC分类号： G01S19/44 , G01S19/04 , G01S19/07 , G01S19/09 , G01S19/32 , G01S19/43
摘要： Methods and apparatus provide for positioning of a rover antenna from GNSS data derived from multi-frequency signals and correction data derived from a network of reference stations. Rover antenna position and multi-frequency ambiguities are estimated at each epoch. An ionospheric filter models variation in ionospheric bias per satellite. A set of ionospheric carrier-phase ambiguities is estimated at least when the multi-frequency ambiguities have attained a predetermined precision. The estimated ionospheric carrier-phase ambiguities are cached. After detecting interruption of signal at the rover antenna and determining reacquisition of signals at the rover antenna, an ionospheric bias per satellite over an interruption interval is predicted. For each satellite, a cached ionospheric carrier-phase ambiguity is combined with a predicted ionospheric bias to obtain a post-interruption ionospheric ambiguity estimate. The post-interruption ionospheric ambiguity estimates are used to aid estimation of rover antenna position after signal reacquisition.
摘要翻译：方法和装置提供从多频信号导出的GNSS数据和从参考站网络导出的校正数据来定位漫游器天线。在每个时期估计流氓天线位置和多频率模糊度。电离层滤波器模拟每个卫星的电离层偏差变化。至少当多频模糊度达到预定精度时，估计一组电离层载波相位模糊度。估计电离层载波相位模糊度被缓存。在检测到在漫游器天线上的信号中断并确定在漫游器天线上的信号的重新获取之后，预测每个卫星在中断间隔上的电离层偏倚。对于每个卫星，缓存的电离层载波相位模糊度与预测的电离层偏差相结合，以获得中断后的电离层模糊度估计。中断后的电离层模糊度估计用于辅助信号重新捕获之后估计流动站天线位置。

3. 发明授权

US08400351B2 GNSS moving base positioning 有权
标题翻译： GNSS移动基座定位
公开(公告)号：US08400351B2
公开(公告)日：2013-03-19
申请号：US12660091
申请日：2010-02-20
申请人： Nicholas Charles Talbot , Ulrich Vollath
发明人： Nicholas Charles Talbot , Ulrich Vollath
IPC分类号： G01S19/44
CPC分类号： G01S19/44
摘要： Methods and apparatus are presented for determining a position of an antenna of a GNSS rover from observations of GNSS signals collected at the antenna over multiple epochs and from correction data for at least one of the epochs. A first-epoch rover position relative to a moving base location is determined, a second-epoch update of the first-epoch rover position relative to the moving base location for a second epoch is determined using a single-differenced delta phase process, and the first-epoch position and the second-epoch update are combined to obtain a second-epoch rover position relative to a moving base location of the second epoch.
摘要翻译：提出了用于根据在多个时期在天线处收集的GNSS信号的观测和从至少一个时期的校正数据确定GNSS漫游器的天线的位置的方法和装置。确定相对于移动基站位置的第一时期流动站位置，使用单差分三角洲相位处理来确定相对于第二历元的移动基地址的第一时期流动站位置的第二时期更新，第一时期位置和第二时期更新被组合以获得相对于第二时期的移动基座位置的第二时代流浪者位置。

4. 发明授权

US08368590B2 GNSS signal processing methods and apparatus with candidate set selection 有权
标题翻译：具有候选集选择的GNSS信号处理方法和装置
公开(公告)号：US08368590B2
公开(公告)日：2013-02-05
申请号：US13059413
申请日：2009-08-05
申请人： Ulrich Vollath , Nicholas Charles Talbot
发明人： Ulrich Vollath , Nicholas Charles Talbot
IPC分类号： G01S19/44
CPC分类号： G01S19/44
摘要： Methods and apparatus are provided for estimating parameters, i.e. ambiguities, derived from GNSS signals. Observations of GNSS signals are obtained from each of a plurality of GNSS satellites (120). The observations are fed to a filter having a state vector at least comprising a float ambiguity for each received frequency of the GNSS signals (140). The filter estimates float value for each float ambiguity of the state vector. Integer values are assigned to at least a subgroup of the estimated float values to define a plurality of integer ambiguity candidate sets (160). A first number of candidate sets is selected having a quality measure better than a first threshold, wherein the first threshold is determined based on a reference quality measure of a reference candidate set (180). A weighted average of the selected candidate sets is formed, each candidate set weighted in the weighted average based on its quality measure (200). Ambiguities of the weighted average can be used in subsequent operations to aid in determining a position of the receiver or can be used to prepare data, e.g., in a network processor that can be used to augment position information of a rover.
摘要翻译：提供了用于估计从GNSS信号导出的参数，即模糊度的方法和装置。从多个GNSS卫星（120）中的每一个获得GNSS信号的观察。将观测值馈送到具有对于GNSS信号（140）的每个接收频率至少包括浮点模糊度的状态向量的滤波器。过滤器估计状态向量的每个浮点模糊度的浮点值。将整数值分配给估计浮点值的至少一个子组以定义多个整数模糊度候选集（160）。选择具有比第一阈值更好的质量度量的候选集的第一数量，其中基于参考候选集的参考质量测量确定第一阈值（180）。形成所选候选集合的加权平均值，每个候选集合基于其质量度量（200）以加权平均加权。可以在随后的操作中使用加权平均值的不确定性来帮助确定接收机的位置，或者可以用于准备数据，例如在网络处理器中，该网络处理器可用于增加流动站的位置信息。

5. 发明授权

US08199049B2 GNSS post positioning with selected precision 有权
标题翻译： GNSS定位精确定位
公开(公告)号：US08199049B2
公开(公告)日：2012-06-12
申请号：US12313185
申请日：2008-11-18
申请人： Nicholas Charles Talbot , Shawn Weisenburger , David G. Bird
发明人： Nicholas Charles Talbot , Shawn Weisenburger , David G. Bird
IPC分类号： G01S19/43
CPC分类号： G01S19/22 , G01S19/04
摘要： A computer apparatus for post positioning with a selected precision. The apparatus includes a GNSS post processor to post process reference GNSS carrier phases from a reference system and rover GNSS carrier phases from a rover receiver to compute a secure position for the rover receiver not available to a user. The apparatus includes a vector offset generator to use the selected precision to compute a dither level for offset vectors to degrade an intrinsic precision of the secure position to provide a user-available position for the rover receiver at the selected precision.
摘要翻译：一种用于以精确定位的定位的计算机装置。该装置包括GNSS后处理器，用于从参考系统和流氓GNSS载波相位从流动站接收器发送处理参考GNSS载波相位，以计算用户不可用的流动站接收机的安全位置。该装置包括矢量偏移发生器，以使用所选择的精度来计算偏移矢量的抖动电平，以降低安全位置的固有精度，以按所选择的精度为流动站接收机提供用户可用位置。

6. 发明申请

US20110156949A1 GNSS Signal Processing Methods and Apparatus with Tracking Interruption 有权
标题翻译：具有跟踪中断的GNSS信号处理方法和装置
公开(公告)号：US20110156949A1
公开(公告)日：2011-06-30
申请号：US13059428
申请日：2009-08-05
申请人： Ulrich Vollath , Nicholas Charles Talbot
发明人： Ulrich Vollath , Nicholas Charles Talbot
IPC分类号： G01S19/44
CPC分类号： G01S19/44
摘要： Methods and apparatus are provided for estimating parameters, i.e. ambiguities, derived from GNSS signals. Observations of each of received frequencies of a GNSS signal from a plurality of GNSS satellites are obtained for a plurality of instances in time (3120). The time sequence of observations is fed to a filter to estimate a state vector comprising float ambiguities, wherein each float ambiguity constitutes a non integer estimate of an integer number of wavelengths for a received frequency of a GNSS signal between a receiver of the GNSS signal and the GNSS satellite from which it is received and wherein the float ambiguities of the state vector are updated over time on the basis of the observations (3140). The occurrence of an interruption in tracking of at least one signal of a satellite is determined (3121). The float ambiguity of the state vector for the at least one signal for which an interruption in tracking occurred is maintained at the value before the interruption in tracking occurred (3122). Integer values are assigned to at least a subgroup of the estimated float values to define a plurality of integer ambiguity candidate sets (3160). A quality measure is determined for each of the candidate sets. A weighted average of the candidate sets is formed (3200). Ambiguities of the weighted average can be used in subsequent operations to aid in determining a position of the receiver or can be used to prepare data, e.g., in a network processor that can be used to augment position information of a rover.
摘要翻译：提供了用于估计从GNSS信号导出的参数，即模糊度的方法和装置。在多个时间（3120）中获得来自多个GNSS卫星的GNSS信号的每个接收频率的观察。将观测的时间序列馈送到滤波器以估计包括浮点模糊度的状态向量，其中每个浮点模糊度构成GNSS信号的接收机与GNSS信号的接收频率的接收频率的整数个波长的非整数估计，以及接收GNSS卫星并且其中根据观测值（3140）随时间更新状态向量的浮点模糊度。确定跟踪卫星的至少一个信号的中断的发生（3121）。跟踪发生中断的至少一个信号的状态向量的浮点模糊度维持在跟踪发生中断之前的值（3122）。将整数值分配给估计浮点值的至少一个子组以定义多个整数模糊度候选集（3160）。确定每个候选组的质量度量。形成候选集的加权平均值（3200）。可以在随后的操作中使用加权平均值的不确定性来帮助确定接收机的位置，或者可以用于准备数据，例如在网络处理器中，该网络处理器可用于增加流动站的位置信息。

7. 外观设计

USD608944S1 Soap bar 有权
标题翻译：肥皂
公开(公告)号：USD608944S1
公开(公告)日：2010-01-26
申请号：US29334033
申请日：2009-03-19
申请人： Harald Karl Gutfleisch , Nicholas Charles Talbot , Jeremy Steven White
设计人： Harald Karl Gutfleisch , Nicholas Charles Talbot , Jeremy Steven White

8. 外观设计

USD509592S1 Stimulation device 失效
标题翻译：刺激装置
公开(公告)号：USD509592S1
公开(公告)日：2005-09-13
申请号：US29198059
申请日：2004-01-23
申请人： Nicholas Charles Talbot , Richard Martyn Smith
设计人： Nicholas Charles Talbot , Richard Martyn Smith

9. 发明申请

US20140002300A1 GNSS Signal Processing with Known Position for Reconvergence 有权
标题翻译：具有用于再现的已知位置的GNSS信号处理
公开(公告)号：US20140002300A1
公开(公告)日：2014-01-02
申请号：US14002716
申请日：2012-03-11
申请人： Rodrigo Leandro , Ulrich Vollath , Nicholas Charles Talbot
发明人： Rodrigo Leandro , Ulrich Vollath , Nicholas Charles Talbot
IPC分类号： G01S19/44
CPC分类号： G01S19/44 , G01S19/04 , G01S19/07 , G01S19/09 , G01S19/32 , G01S19/43
摘要： Methods and apparatus provide for positioning of a rover antenna from GNSS data derived from multi-frequency signals and correction data derived from a network of reference stations. At each of a plurality of epochs, the GNSS data and correction data are used to estimate values defining a rover antenna position and a set of multi-frequency ambiguities. An ionospheric-free carrier-phase ambiguity per satellite is estimated based on a known rover antenna position. The estimated ionospheric-free carrier-phase ambiguity is combined with an estimated widelane ambiguity and with an estimated ionospheric-free ambiguity and with values defining the known rover antenna position to obtain values defining an aided rover antenna position and aided multi-frequency ambiguities.
摘要翻译：方法和装置提供从多频信号导出的GNSS数据和从参考站网络导出的校正数据来定位漫游器天线。在多个历元中的每个时期，GNSS数据和校正数据用于估计定义流动站天线位置和一组多频率模糊度的值。基于已知的漫游器天线位置来估计每个卫星的无电离层载波相位模糊度。估计的无电离载波相位模糊度与估计的宽带模糊度和估计的无电离差模糊度以及定义已知流动站天线位置的值相结合，以获得定义辅助漫游器天线位置和辅助多频率模糊度的值。

10. 发明授权

US08237609B2 GNSS position coasting 有权
标题翻译： GNSS位置惯性
公开(公告)号：US08237609B2
公开(公告)日：2012-08-07
申请号：US12660080
申请日：2010-02-20
申请人： Nicholas Charles Talbot , Ulrich Vollath
发明人： Nicholas Charles Talbot , Ulrich Vollath
IPC分类号： G01S19/44
CPC分类号： G01S19/44
摘要： Methods and apparatus are presented for determining a position of an antenna of a GNSS rover from observations of GNSS signals collected at the antenna over multiple epochs and from correction data for at least one of the epochs. A first-epoch rover position relative to a base location is determined for a first epoch using a single-differencing process based on one of (i) fixed carrier-phase ambiguities and (ii) a weighted average of carrier-phase ambiguity candidates which is converged to a predetermined threshold. A second-epoch rover position relative to a base location is determined for a second epoch using a single-differencing process. A second-epoch update of the first-epoch rover position relative to the base location is determined for the second epoch using a single-differenced delta phase process and the first-epoch rover position is combined with the second-epoch update to obtain a second-epoch delta phase rover position relative to a moving base location of the second epoch. The second-epoch delta phase rover position is selected as reliable if the second-epoch rover position is not based on one of (i) fixed carrier-phase ambiguities and (ii) a weighted average of carrier-phase ambiguity candidates which is converged to a predetermined threshold.
摘要翻译：提出了用于根据在多个时期在天线处收集的GNSS信号的观测和从至少一个时期的校正数据确定GNSS漫游器的天线的位置的方法和装置。使用基于（i）固定载波相位模糊度和（ii）载波相位模糊度候选者的加权平均值的单个差分处理，针对第一时期确定第一时元相对于基本位置的第一时代流动站位置，收敛到预定阈值。使用单一差分过程确定第二历元相对于基本位置的第二时期流动站位置。使用单差分增量相位处理确定第二纪元的相对于基本位置的第一时期流动站位置的第二时期更新，并且将第一时期流动站位置与第二历元更新相组合以获得第二历元相对于第二纪元的移动基座位置的相位三角形相位移动器位置。如果第二时期流动站位置不是基于（i）固定载波相位模糊度和（ii）载波相位模糊度候选者的加权平均值而被收敛到预定阈值。

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