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1. 发明授权

US07547870B2 Precision spacecraft payload platforms 有权
标题翻译：精密航天器有效负载平台
公开(公告)号：US07547870B2
公开(公告)日：2009-06-16
申请号：US11400874
申请日：2006-04-10
申请人： Ketao Liu , Gregory S. Becker , Peter J. Sedivec , Douglas Bender
发明人： Ketao Liu , Gregory S. Becker , Peter J. Sedivec , Douglas Bender
IPC分类号： G01C21/02 , G01N21/86 , G01B11/26 , B64G1/36
CPC分类号： G01S5/163 , G01B11/272
摘要： One or more fixed-orientation fanned laser beams and one or more displacement measurement devices to precisely measure the orientation of a payload platform are disclosed in a metrology system and method. The measurement devices may be distributed at locations across a payload platform such that displacement changes of these devices can be used to accurately determine platform pointing. Laser beam transmitters may be fixed in the same reference block to which a spacecraft attitude sensor is mounted. Fanned laser beams are transmitted from these sources to the measurement devices so that their displacements can be determined with respect to the plane of the fanned beams and thereby with respect to the spacecraft attitude sensor. Only a small number of fixed laser beams are needed to achieve precision measurements at a reduced cost, weight and power, and with increased system reliability and simplified system integration.
摘要翻译：计量系统和方法中公开了一种或多种固定方向的扇形激光束和一个或多个位移测量装置来精确地测量有效负载平台的取向。测量设备可以分布在有效负载平台上的位置，使得这些设备的位移变化可以用于准确地确定平台指向。激光束发射器可以固定在安装有航天器姿态传感器的相同参考块中。扇形激光束从这些源传输到测量装置，使得它们的位移可以相对于扇形光束的平面，从而相对于航天器姿态传感器确定。只需要少量的固定激光束，以降低成本，重量和功率，以及更高的系统可靠性和简化的系统集成来实现精密测量。

2. 发明授权

US07787134B2 Multiple fanned laser beam metrology system 有权
标题翻译：多扇形激光束计量系统
公开(公告)号：US07787134B2
公开(公告)日：2010-08-31
申请号：US11407549
申请日：2006-04-19
申请人： Kirk Kohnen , Peter J. Sedivec , Douglas Bender , Gregory S. Becker , John Y. Liu , Richard W. Guthrie , Ketao Liu , Ray McVey , Mark A. Lundgren
发明人： Kirk Kohnen , Peter J. Sedivec , Douglas Bender , Gregory S. Becker , John Y. Liu , Richard W. Guthrie , Ketao Liu , Ray McVey , Mark A. Lundgren
IPC分类号： G01C15/00
CPC分类号： G01B11/24 , G01B11/14 , G01S7/4811 , G01S7/4817 , G01S17/36 , G01S17/42 , G01S17/48
摘要： Systems and techniques for laser metrology. Two or more fanned probe beams are scanned relative to a surface including one or more targets. A position detection module receives return beam information from the fanned probe beams, and determines a position of at least a first target of the one or more targets based on the return beam information.
摘要翻译：激光测量系统和技术。相对于包括一个或多个目标的表面扫描两个或更多个扇形探测光束。位置检测模块从扇形探测光束接收返回光束信息，并且基于返回光束信息确定一个或多个目标的至少第一目标的位置。

3. 发明授权

US07450251B2 Fanned laser beam metrology system 有权
标题翻译：扇形激光束计量系统
公开(公告)号：US07450251B2
公开(公告)日：2008-11-11
申请号：US11270000
申请日：2005-11-09
申请人： Ketao Liu , Peter J. Sedivec , Douglas Bender , Gregory S. Becker , John Y. Liu , Richard W. Guthrie , Mark A. Lundgren
发明人： Ketao Liu , Peter J. Sedivec , Douglas Bender , Gregory S. Becker , John Y. Liu , Richard W. Guthrie , Mark A. Lundgren
IPC分类号： G01C1/03 , G01B11/26
CPC分类号： G01B11/14 , G01S17/48
摘要： Systems and techniques for laser metrology. A system may include a laser source and a fanning apparatus configured to generate a fanned laser beam. The fanned laser beam may be scanned across the surface of an object, and may reflect off a plurality of targets positioned on the surface. A position detection module may determine a position of the metrology targets based on the reflected beam.
摘要翻译：激光测量系统和技术。系统可以包括激光源和被配置为产生扇形激光束的扇形设备。扇形激光束可以跨物体的表面扫描，并且可以反射出位于表面上的多个靶。位置检测模块可以基于反射光束来确定度量目标的位置。

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