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    METHOD OF DETECTING OBJECTS THAT CHANGE WITH TIME BY MEANS OF A SAR RADAR
    6.
    发明授权
    METHOD OF DETECTING OBJECTS THAT CHANGE WITH TIME BY MEANS OF A SAR RADAR 有权
    检测方法的移动目标的其中，将时间更改使用一个SAR雷达

    公开(公告)号：EP1159637B1

    公开(公告)日：2008-01-02

    申请号：EP00914398.3

    申请日：2000-02-07

    申请人： TOTALFÖRSVARETS FORSKNINGSINSTITUT

    发明人： ULANDER, Lars

    IPC分类号： G01S13/90

    CPC分类号： G01S13/9029

    摘要： The present invention relates to a method of detecting, by means of a SAR radar, objects that change with time within a ground area. The SAR radar is supported by a platform in essentially rectilinear motion during a synthetic aperture and the ground area is reproduced at least twice after each other from different synthetic apertures. A two-dimensional SAR image is generated from each synthetic aperture. The SAR images are matched with each other by a method in which each image position in one image is associated with the same ground area in the other image, the images being filtered, knowing location data for the antennae and based on the fact that the cylinder geometry of the SAR images is projected onto the ground surface, so that only common spectral components of the reflectivity of the ground are extracted and used in the matching.

    METHOD OF DETECTING SOURCES OF COHERENT RADIATION AND A DEVICE UTILIYING THE METHOD
    7.
    发明公开
    METHOD OF DETECTING SOURCES OF COHERENT RADIATION AND A DEVICE UTILIYING THE METHOD 审中-公开
    检测方法来源相干辐射和程序发作DEVICE

    公开(公告)号：EP1842039A1

    公开(公告)日：2007-10-10

    申请号：EP05813556.7

    申请日：2005-12-08

    申请人： Totalförsvarets Forskningsinstitut

    发明人： SVENSSON, Sören

    IPC分类号： G01J1/42 ,  G01S3/781

    CPC分类号： G01S3/781 ,  G01J9/00 ,  G01S3/784

    摘要： The present invention relates to a method of detecting sources of coherent radiation, which is achieved by depicting, simultaneously or at times close to each other, that part of the environment which is of interest by a radiation sensor, on the one hand with a vortex mask in front of the sensor (Fig. 2) and, on the other, without such a vortex mask (Fig. 1), and by subtracting the sensor signal from the measurement with a vortex mask from the one without such a mask, and determining the presence of a source of coherent radiation if the differential signal exceeds a predetermined threshold value. The invention also comprises a device using the method.

    DEVICE FOR OPTICAL REMOTE MONITORING AND SYSTEM COMPRISING SUCH A DEVICE
    8.
    发明公开
    DEVICE FOR OPTICAL REMOTE MONITORING AND SYSTEM COMPRISING SUCH A DEVICE 有权
    设备技术光学遥感监控和系统利用这样的装置

    公开(公告)号：EP1836784A1

    公开(公告)日：2007-09-26

    申请号：EP05813558.3

    申请日：2005-12-08

    申请人： Totalförsvarets Forskningsinstitut

    发明人： HABBERSTAD, Hans ,  KULLANDER, Fredrik ,  STEINVALL, Ove

    IPC分类号： H04B10/10 ,  H04R23/00 ,  G02B5/12

    CPC分类号： G02B5/124 ,  G02B5/122 ,  H04R23/008

    摘要： The invention relates to a device for optical remote monitoring, preferably an opticalIy readable membrane-based microphone, and a system comprising such a device. The device (1) for optical remote monitoring comprises a retroreflector (3, 4) and an acoustic membrane (2). The acoustic membrane (2) suitably is a light-modulating component and modulates the reflection of an incident light beam (6) in relation to the pressure field (5), from a sound source, to which the membrane (2) is exposed. The retroreflector may comprise a corner cube (3) comprising three sides (31, 32, 33; 31', 32', 33') with the membrane (2) arranged on one of the sides. The membrane (2) can be part of a side (31) or one side (31') may consist of a membrane (2).