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    • 1. 发明授权
    • Tactical differential GPS
    • 战术差分GPS
    • US09423506B2
    • 2016-08-23
    • US14345613
    • 2011-09-16
    • Per-Olof PerssonRolf Michel
    • Per-Olof PerssonRolf Michel
    • G01C21/30G01S19/40
    • G01S19/40G01C21/30
    • A method for improving an accuracy of a radio based navigation system by correcting the position given by the radio based navigation system with a correction vector derived from localization data stored in a map database. Position coordinates of the radio based navigation system are measured. A set of 3D map data is selected based upon the measured position coordinates of the radio based navigation system position coordinates. The actual position is determined from the selected 3D map data. The actual position data coordinates are retrieved from the 3D map data based upon the determined actual position. The correction vector is calculated from position difference between measured radio based navigation system position coordinates and retrieved actual position coordinates. The position given by the radio based navigation system is corrected with the correction vector.
    • 一种用于通过使用从存储在地图数据库中的定位数据导出的校正矢量来校正由基于无线电的导航系统给出的位置来提高无线电导航系统的精度的方法。 测量基于无线电的导航系统的位置坐标。 基于基于无线电的导航系统位置坐标的测量位置坐标来选择一组3D地图数据。 从所选择的3D地图数据确定实际位置。 基于所确定的实际位置,从3D地图数据中检索实际位置数据坐标。 根据测量的基于无线电的导航系统位置坐标和检索到的实际位置坐标之间的位置差计算校正向量。 由基于无线电的导航系统给出的位置用校正矢量进行校正。
    • 3. 发明授权
    • Method for assembling the finite element discretization of arbitrary weak equations involving local or non-local multiphysics couplings
    • 用于组合涉及局部或非局部多物理耦合的任意弱方程的有限元离散化的方法
    • US07596474B2
    • 2009-09-29
    • US10042936
    • 2002-01-09
    • Lars LangemyrDaniel BertilssonArne NordmarkPer-Olof PerssonJerome Long
    • Lars LangemyrDaniel BertilssonArne NordmarkPer-Olof PerssonJerome Long
    • G06F7/60G06F17/13G06G7/48G06G7/50
    • G06F17/5009G06F17/12G06F17/13G06F17/5018
    • Disclosed are techniques for representing and modeling one or more systems in which each system corresponds to an application mode. This may be done for one or more geometries using local and/or non-local couplings. For each application mode, physical quantities are modeled and may be defined using a graphical user interface. Physical properties may be used to model the physical quantities of each system. The physical properties may be defined in terms of numerical values or constants, and mathematical expressions that may include numerical values, space coordinates, time coordinates, and actual physical quantities. Physical quantities and any associated variables may apply to some or all of a geometric domain, and may also be disabled in other parts of a geometrical domain. Partial differential equations describe the physical quantities. One or more application modes may be combined using an automated technique into a combined system of partial differential equations as a multiphysics model. A portion of the physical quantities and variables associated with the combined system may be selectively solved for. Also described are methods for computing the stiffness matrix, residual vector, constraint matrix, and constraint residual vector for the finite element discretization of a system of partial differential equations in weak form that includes local and non-local variables coupling multiple geometries.
    • 公开了用于表示和建模其中每个系统对应于应用模式的一个或多个系统的技术。 这可以对于使用本地和/或非本地耦合的一个或多个几何形状来完成。 对于每个应用程序模式,物理量都被建模,并且可以使用图形用户界面进行定义。 物理性质可用于建模每个系统的物理量。 物理性质可以用数值或常数来定义,而数学表达式可以包括数值,空间坐标,时间坐标和实际物理量。 物理量和任何相关的变量可以应用于几何域中的一些或全部,并且也可能在几何域的其他部分被禁用。 部分微分方程描述物理量。 一个或多个应用模式可以使用自动化技术组合成作为多物理场模型的偏微分方程的组合系统。 可以选择性地解决与组合系统相关联的物理量和变量的一部分。 还描述了用于计算弱形​​式的偏微分方程系统的有限元离散的刚度矩阵,残差矢量,约束矩阵和约束残差矢量的方法,其包括耦合多个几何的局部和非局部变量。
    • 4. 发明授权
    • Method for assembling the finite element discretization of arbitrary weak equations, involving local or non-local multiphysics couplings
    • 用于组合有限元离散任意弱方程的方法,涉及局部或非局部多物理耦合
    • US07519518B2
    • 2009-04-14
    • US09995222
    • 2001-11-27
    • Lars LangemyrDaniel BertilssonArne NordmarkPer-Olof PerssonJerome Long
    • Lars LangemyrDaniel BertilssonArne NordmarkPer-Olof PerssonJerome Long
    • G06F7/60G06F17/13G06G7/48G06G7/50
    • G06F17/12
    • Disclosed are techniques for representing and modeling one or more systems in which each system corresponds to an application mode. This may be done for one or more geometries using local and/or non-local couplings. For each application mode, physical quantities are modeled and may be defined using a graphical user interface. Physical properties may be used to model the physical quantities of each system. The physical properties may be defined in terms of numerical values or constants, and mathematical expressions that may include numerical values, space coordinates, time coordinates, and actual physical quantities. Physical quantities and any associated variables may apply to some or all of a geometric domain, and may also be disabled in other parts of a geometrical domain. Partial differential equations describe the physical quantities. One or more application modes may be combined using an automated technique into a combined system of partial differential equations as a multiphysics model. A portion of the physical quantities and variables associated with the combined system may be selectively solved for. The partial differential equations may be displayed and may in turn solve for the system of partial differential equations in accordance with a general form or a coefficient form. An automated technique provides for automatic derivation of the combined partial differential equations and boundary conditions. This technique automatically merges the equations from a plurality of application modes, and in some instances, performs symbolic differentiation of the equations, producing a single system of partial differential equations. A subset of physical quantities and associated variables not solved for may be used as initial values to the system of partial differential equations.
    • 公开了用于表示和建模其中每个系统对应于应用模式的一个或多个系统的技术。 这可以对于使用本地和/或非本地耦合的一个或多个几何形状来完成。 对于每个应用程序模式,物理量都被建模,并且可以使用图形用户界面进行定义。 物理性质可用于建模每个系统的物理量。 物理性质可以用数值或常数来定义,而数学表达式可以包括数值,空间坐标,时间坐标和实际物理量。 物理量和任何相关的变量可以应用于几何域中的一些或全部,并且也可能在几何域的其他部分被禁用。 部分微分方程描述物理量。 一个或多个应用模式可以使用自动化技术组合成作为多物理场模型的偏微分方程的组合系统。 可以选择性地解决与组合系统相关联的物理量和变量的一部分。 可以显示偏微分方程,并且可以依照一般形式或系数形式解决偏微分方程的系统。 一种自动化技术提供组合偏微分方程和边界条件的自动推导。 该技术自动地合并来自多种应用模式的等式,并且在某些情况下,执行方程的符号区分,产生单一的偏微分方程系统。 未解决的物理量和相关变量的子集可以用作偏微分方程系统的初始值。
    • 5. 发明授权
    • Submunitions
    • 子弹药
    • US4858532A
    • 1989-08-22
    • US28949
    • 1987-03-23
    • Per-Olof PerssonKjell AlbrektssonJan AxingerJan-Olof FixellJari Hyvarinen
    • Per-Olof PerssonKjell AlbrektssonJan AxingerJan-Olof FixellJari Hyvarinen
    • F42B10/50F42B30/00F42C13/00
    • F42B30/006F42B10/50F42C13/006
    • The disclosure relates to a submunition disposed to be separated from an aeronautical body, for example a shell carrier canister or the like above a target area, the submunition essentially including a warhead (5), a target detector (6) and a device which imparts rotation to the submunition for scanning the target area in a helical pattern (4) during the fall of the submunition towards the target area. The target detector (6) is pivotally disposed on a carrying shaft (12a) parallel to the line of symmetry (5a) of the warhead in order to permit outward activation of the target detector (6) from a collapsed position where the optical axis of the target detector coincides with the line of symmetry (5a) of the warhead to an activated position where the optical axis of the target detector is parallel with the line of symmetry (5a) of the warhead, so as to permit free scanning vision for the target detector (6) beyond the warhead (5).
    • 本公开涉及一种设置成与目标区域上方的航空体例如壳载体罐等分离的子弹药,子弹药基本上包括弹头(5),目标检测器(6)和赋予 旋转到子弹药,用于在子弹药坠落期间朝向目标区域以螺旋图案(4)扫描目标区域。 目标检测器(6)可枢转地布置在平行于弹头的对称线(5a)的承载轴(12a)上,以允许目标检测器(6)从折叠位置向外激活,其中光轴 目标检测器与弹头的对称线(5a)重合到目标检测器的光轴与弹头的对称线(5a)平行的激活位置,以便允许对于弹头的自由扫描视觉 目标探测器(6)超出弹头(5)。
    • 8. 发明申请
    • TACTICAL DIFFERENTIAL GPS
    • 战术差异GPS
    • US20150051827A1
    • 2015-02-19
    • US14345613
    • 2011-09-16
    • Per-Olof PerssonRolf Michel
    • Per-Olof PerssonRolf Michel
    • G01S19/40G01C21/30
    • G01S19/40G01C21/30
    • A method for improving an accuracy of a radio based navigation system by correcting the position given by the radio based navigation system with a correction vector derived from localization data stored in a map database. Position coordinates of the radio based navigation system are measured. A set of 3D map data is selected based upon the measured position coordinates of the radio based navigation system position coordinates. The actual position is determined from the selected 3D map data. The actual position data coordinates are retrieved from the 3D map data based upon the determined actual position. The correction vector is calculated from position difference between measured radio based navigation system position coordinates and retrieved actual position coordinates. The position given by the radio based navigation system is corrected with the correction vector.
    • 一种用于通过使用从存储在地图数据库中的定位数据导出的校正矢量来校正由基于无线电的导航系统给出的位置来提高无线电导航系统的精度的方法。 测量基于无线电的导航系统的位置坐标。 基于基于无线电的导航系统位置坐标的测量位置坐标来选择一组3D地图数据。 从所选择的3D地图数据确定实际位置。 基于所确定的实际位置,从3D地图数据中检索实际位置数据坐标。 根据测量的基于无线电的导航系统位置坐标和检索到的实际位置坐标之间的位置差计算校正向量。 由基于无线电的导航系统给出的位置用校正矢量进行校正。
    • 9. 发明申请
    • Method For Assembling The Finite Element Discretization Of Arbitrary Weak Equations Involving Local Or Non-Local Multiphysics Couplings
    • 用于组装有局限或非局部多物理耦合的任意弱方程有限元离散的方法
    • US20090259447A1
    • 2009-10-15
    • US12487762
    • 2009-06-19
    • Lars LangemyrDaniel BertilssonAme NordmarkPer-Olof PerssonJerome Long
    • Lars LangemyrDaniel BertilssonAme NordmarkPer-Olof PerssonJerome Long
    • G06F17/10
    • G06F17/5009G06F17/12G06F17/13G06F17/5018
    • Disclosed are techniques for representing and modeling one or more systems in which each system corresponds to an application mode. This may be done for one or more geometries using local and/or non-local couplings. For each application mode, physical quantities are modeled and may be defined using a graphical user interface. Physical properties may be used to model the physical quantities of each system. The physical properties may be defined in terms of numerical values or constants, and mathematical expressions that may include numerical values, space coordinates, time coordinates, and actual physical quantities. Physical quantities and any associated variables may apply to some or all of a geometric domain, and may also be disabled in other parts of a geometrical domain. Partial differential equations describe the physical quantities. One or more application modes may be combined using an automated technique into a combined system of partial differential equations as a multiphysics model. A portion of the physical quantities and variables associated with the combined system may be selectively solved for. Also described are methods for computing the stiffness matrix, residual vector, constraint matrix, and constraint residual vector for the finite element discretization of a system of partial differential equations in weak form that includes local and non-local variables coupling multiple geometries.
    • 公开了用于表示和建模其中每个系统对应于应用模式的一个或多个系统的技术。 这可以对于使用本地和/或非本地耦合的一个或多个几何形状来完成。 对于每个应用程序模式,物理量都被建模,并且可以使用图形用户界面进行定义。 物理性质可用于建模每个系统的物理量。 物理性质可以用数值或常数来定义,而数学表达式可以包括数值,空间坐标,时间坐标和实际物理量。 物理量和任何相关的变量可以应用于几何域中的一些或全部,并且也可能在几何域的其他部分被禁用。 部分微分方程描述物理量。 一个或多个应用模式可以使用自动化技术组合成作为多物理场模型的偏微分方程的组合系统。 可以选择性地解决与组合系统相关联的物理量和变量的一部分。 还描述了用于计算弱形​​式的偏微分方程系统的有限元离散的刚度矩阵,残差矢量,约束矩阵和约束残差矢量的方法,其包括耦合多个几何的局部和非局部变量。
    • 10. 发明授权
    • Method and apparatus for the specification and automatic derivation of partial differential equations associated with coupled physical quantities in a multiphysics problem
    • 用于规范和自动推导与多物理场问题中的耦合物理量相关的偏微分方程的方法和装置
    • US07623991B1
    • 2009-11-24
    • US09675778
    • 2000-09-29
    • Lars LangemyrMagnus MarklundArne NordmarkPer-Olof PerssonMagnus Ringh
    • Lars LangemyrMagnus MarklundArne NordmarkPer-Olof PerssonMagnus Ringh
    • G06F7/60G06F17/10
    • G06F17/13
    • Disclosed is a system for representing and modeling one or more systems in which each system corresponds to an application mode. For each application mode, physical quantities are modeled and may be defined using a graphical user interface. Physical properties may be used to model the physical quantities of each system. The physical properties may be defined in terms of numerical values or constants, and mathematical expressions that may include numerical values, space coordinates, time coordinates, and actual physical quantities. Physical quantities and any associated variables may apply to some or all of a geometric domain, and may also be disabled in other parts of a geometrical domain. Partial differential equations describe the physical quantities. One or more application modes may be combined using an automated technique into a combined system of partial differential equations as a multiphysics model. A portion of the physical quantities and variables associated with the combined system may be selectively solved for. The partial differential equations may be displayed and may in turn solve for the system of partial differential equations in accordance with a general form or a coefficient form. An automated technique provides for automatic derivation of the combined partial differential equations and boundary conditions. This technique automatically merges the equations from a plurality of application modes, and in some instances, performs symbolic differentiation of the equations, producing a single system of partial differential equations. A subset of physical quantities and associated variables not solved for may be used as initial values to the system of partial differential equations.
    • 公开了一种用于表示和建模其中每个系统对应于应用模式的一个或多个系统的系统。 对于每个应用程序模式,物理量都被建模,并且可以使用图形用户界面进行定义。 物理性质可用于建模每个系统的物理量。 物理性质可以用数值或常数来定义,而数学表达式可以包括数值,空间坐标,时间坐标和实际物理量。 物理量和任何相关的变量可以应用于几何域中的一些或全部,并且也可能在几何域的其他部分被禁用。 部分微分方程描述物理量。 一个或多个应用模式可以使用自动化技术组合成作为多物理场模型的偏微分方程的组合系统。 可以选择性地解决与组合系统相关联的物理量和变量的一部分。 可以显示偏微分方程,并且可以依照一般形式或系数形式解决偏微分方程的系统。 一种自动化技术提供组合偏微分方程和边界条件的自动推导。 该技术自动地合并来自多种应用模式的等式,并且在某些情况下,执行方程的符号区分,产生单一的偏微分方程系统。 未解决的物理量和相关变量的子集可以用作偏微分方程系统的初始值。