公开(公告)号：US20140146174A1

公开(公告)日：2014-05-29

申请号：US14081341

申请日：2013-11-15

Applicant: THALES

Inventor： Olivier PIGOUCHE ,  Jean-Francois BLANC ,  Christophe RENARD ,  Jean-Philippe MUR

IPC: H04N5/232 ,  H04N7/18

CPC classification number: H04N7/18 ,  H04N5/357 ,  H04N5/372 ,  H04N5/3743

Abstract: A method is provided for the real-time determination of signals to be summed from signals representative of an image portion which are respectively received from detectors belonging to the same optical sensor, the detectors being organized in a matrix formed by rows and columns, the signals to be summed being received on the same column. The method also determines the time during which the detectors must acquire the signals to be summed. The method determines a value representative of a modulation transfer function of at least one lens and/or at least one mirror placed upstream of the optical sensor, and a signal-to-noise ratio of the image portion, based on a location of one of the detectors and on a signal representative of an image portion obtained from the detectors. This representative value is dependent on the number. The method searches for the number and the time maximizing the representative value.

Abstract translation: 提供了一种方法，用于从表示属于同一光学传感器的检测器的图像部分的信号的信号中实时地确定要相加的信号，检测器被组织成由行和列形成的矩阵，信号 被归纳在同一列上。 该方法还确定检测器必须获取待求和的信号的时间。 该方法确定代表位于光传感器上游的至少一个透镜和/或至少一个反射镜的调制传递函数的值，以及图像部分的信噪比，基于 检测器和表示从检测器获得的图像部分的信号。 该代表值取决于数字。 该方法搜索数字和最大化代表值的时间。

公开(公告)号：US20130329286A1

公开(公告)日：2013-12-12

申请号：US13912031

申请日：2013-06-06

Applicant: THALES

Inventor： Jean-Francois BLANC ,  Olivier CHANAL ,  Arnaud LIOTARD ,  Damiana LOSA ,  Catherine CHARBONNEL ,  Christophe DEVILLIERS

IPC: G02B23/06

CPC classification number: G02B23/06 ,  G02B7/008 ,  G02B7/185 ,  G02B23/00 ,  G02B26/0825

Abstract: A method for correcting the thermoelastic effects on performance parameters of a telescope on board a space satellite, comprises a first step prior to the flight of the satellite consisting in determining, a priori, a correction of the thermoelastic effects by using a prior model of variations of the thermoelastic effects on the orbital scale and an algorithm for determining correction fed by programming data of the space satellite, and a second step carried out in flight, based on the correction determined a priori, consisting in establishing control messages of correction means for correcting the performance parameters of said telescope.

Abstract translation: 一种用于校正对空间卫星上的望远镜的性能参数的热弹性效应的方法包括在卫星飞行之前的第一步骤，其包括通过使用先前的变化模型来先验地确定热弹性效应的校正 的轨道尺度上的热弹性效应和用于确定由空间卫星的编程数据馈送的校正的算法，以及基于先前确定的校正的飞行中执行的第二步骤，其包括建立用于校正的校正装置的控制消息 所述望远镜的性能参数。

公开(公告)号：US20150085361A1

公开(公告)日：2015-03-26

申请号：US14488957

申请日：2014-09-17

Applicant: THALES

Inventor： Jean-Francois BLANC ,  Kamel HOUAIRI ,  Marc BERNOT ,  Stephane GARIN

IPC: G02B23/00

CPC classification number: G02B23/145 ,  G02B23/06 ,  G02B26/06

Abstract: The general field provided is that of telescopes comprising an optical system and wavefront-analyzing placed in the focal plane of the optical system. The optical system comprises focusing optics and magnifying optics, the magnifying optics comprising a deformable mirror, the deformation of which is controllable. The telescope comprises monitoring the deformable mirror, comprising a source placed so that the image of the source, after reflection from the deformable mirror, is focused on the wavefront-analyzing. The monitoring comprises a movable mirror having two positions, a rest position and a monitoring position. The source may either be placed in the intermediate focal plane of the focusing optics, or at the focal point of a monitoring mirror, or even in the vicinity of the focal plane of the optical system.

Abstract translation: 提供的一般领域是包括放置在光学系统的焦平面中的光学系统和波前分析的望远镜。 该光学系统包括聚焦光学元件和放大光学元件，放大光学元件包括一个可变形的反射镜，其变形是可控制的。 望远镜包括监视可变形反射镜，其包括放置的源，使得来自可变形反射镜的反射之后的源的图像聚焦在波前分析上。 监视器包括具有两个位置的静止镜，一个静止位置和一个监视位置。 源可以被放置在聚焦光学器件的中间焦平面中，或者放置在监视镜的焦点处，或者甚至在光学系统的焦平面附近。

公开(公告)号：US20140198222A1

公开(公告)日：2014-07-17

申请号：US14151678

申请日：2014-01-09

Applicant: THALES

Inventor： Jean-Francois BLANC ,  Kamel HOUAIRI ,  Stephane GARIN ,  Marc BERNOT ,  Arnaud LIOTARD ,  Christophe DEVILLIERS

IPC: H04N17/00

CPC classification number: H04N17/002 ,  G01M11/005 ,  G01M11/0221 ,  G02B7/003 ,  G02B27/62

Abstract: An optical monitoring device for an optical imaging system having a focal plane, an optical axis and an entry pupil, forming an image of a scene substantially at infinity on an image detector disposed substantially in the focal plane, comprises: a virtually point-like emission source at the periphery of the detector and substantially in the focal plane; a reflecting element with a plane surface upstream of the imaging system relative to the direction of light rays coming from the scene, and according to a position and inclination where a monitoring image of the source produced by the optical system and reflected by the reflecting element is substantially in the focal plane on a detection element connected to a monitoring image analyzer allowing potential optical defects to be identified; the reflecting element having an annular shape allowing passage of light rays coming from the scene and passing through the entry pupil.

Abstract translation: 一种用于具有焦平面，光轴和入射光瞳的光学成像系统的光学监视装置，其基本上在基本上位于焦平面中的图像检测器上形成基本上无穷远的场景的图像，包括：虚拟点状发射 源在检测器的周边并且基本上在焦平面中; 反射元件，其相对于来自场景的光线的方向在成像系统的上游具有平面，并且根据由光学系统产生并由反射元件反射的源的监视图像是 基本上在连接到监视图像分析器的检测元件上的焦平面上，允许识别潜在的光学缺陷; 反射元件具有允许从场景通过并穿过入射光瞳的光线的环形形状。