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    • 3. 发明授权
      US09575182B2 Three-dimensional tomographic imaging camera 有权
    • Three-dimensional tomographic imaging camera
    • 三维断层成像相机
    • US09575182B2
    • 2017-02-21
    • US14586584
    • 2014-12-30
    • Naresh Satyan , Arseny Vasilyev , George Rakuljic , Amnon Yariv
    • Naresh Satyan , Arseny Vasilyev , George Rakuljic , Amnon Yariv
    • G01S17/32 , G01S17/89 , G01C15/00
    • G01S17/325 , G01C15/002 , G01S17/89
    • A detection apparatus and method for FMCW LIDAR employ signals whose frequencies are modified so that low-cost and low-speed photodetector arrays, such as CCD or CMOS cameras, can be employed for range detection. The LIDAR is designed to measure the range z to a target and includes a single mode swept frequency laser (SFL), whose optical frequency is varied with time, as a result of which, a target beam which is reflected back by the target is shifted in frequency from a reference beam by an amount that is proportional to the relative range z to the target. The reflected target beam is combined with the reference beam and detected by the photodetector array. By first modulating at least one of the target and reference beams such that the difference between the frequencies of the reflected target beam and the reference beam is reduced to a level that is within the bandwidth of the photodetector array, the need for high-speed detector arrays for full-field imaging is obviated.
    • 用于FMCW LIDAR的检测装置和方法使用其频率被修改的信号，使得可以使用诸如CCD或CMOS照相机的低成本和低速光电检测器阵列进行范围检测。 激光雷达设计用于测量目标的范围z，并且包括单频扫频激光器（SFL），其光频随时间变化，其结果是被目标反射回的目标光束被移位 来自参考光束的频率与与目标的相对范围z成比例的量。 反射的目标光束与参考光束组合并由光电检测器阵列检测。 通过首先调制目标和参考光束中的至少一个，使得反射的目标光束和参考光束的频率之间的差减小到在光电检测器阵列的带宽内的水平，则需要高速检测器 排除了全场成像的阵列。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 4. 发明申请
      US20140104593A1 THREE-DIMENSIONAL TOMOGRAPHIC IMAGING CAMERA BASED ON COMPRESSIVE SENSING 有权
    • THREE-DIMENSIONAL TOMOGRAPHIC IMAGING CAMERA BASED ON COMPRESSIVE SENSING
    • 基于压缩感测的三维图像成像摄像机
    • US20140104593A1
    • 2014-04-17
    • US14050296
    • 2013-10-09
    • Naresh Satyan , Arseny Vasilyev , Amnon Yariv , George Rakuljic
    • Naresh Satyan , Arseny Vasilyev , Amnon Yariv , George Rakuljic
    • G01S17/08
    • G01S17/08 , G01S7/4911 , G01S7/4913 , G01S17/325 , G01S17/89
    • A detection apparatus and method for FMCW LIDAR employ signals that are modified so that low-cost and low-speed photodetector arrays, such as CCD or CMOS cameras, can be employed for range detection. The LIDAR is designed to measure the range to one or more targets and includes a single mode swept frequency laser (SFL), whose optical frequency is varied with time, as a result of which, a target beam which is reflected back by the one or more targets is shifted in frequency from a reference beam by an amount that is proportional to the relative range to the one or more targets. The reflected target beam(s) is/are combined with the reference beam and detected by the photodetector array. In the case of a sparse number of targets to be detected, Compressive Sensing (CS) techniques can be employed by a processor to reduce the number of measurements necessary to determine the range of each target.
    • 用于FMCW LIDAR的检测装置和方法采用被修改的信号，使得可以使用诸如CCD或CMOS照相机的低成本和低速光电检测器阵列进行范围检测。 激光雷达设计用于测量到一个或多个目标的范围，并且包括单频扫频激光器（SFL），其光频随时间变化，结果是由一个或多个目标光束反射的目标光束 更多的目标在频率上从参考光束移位的量与一个或多个目标的相对范围成比例。 反射的目标光束与参考光束组合并由光电检测器阵列检测。 在要检测的目标数量稀少的情况下，处理器可以使用压缩感测（CS）技术来减少确定每个目标的范围所需的测量次数。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 6. 发明授权
      US09465110B2 Three-dimensional tomographic imaging camera based on compressive sensing 有权
    • Three-dimensional tomographic imaging camera based on compressive sensing
    • 基于压缩感知的三维断层成像摄像机
    • US09465110B2
    • 2016-10-11
    • US14050296
    • 2013-10-09
    • Naresh Satyan , Arseny Vasilyev , Amnon Yariv , George Rakuljic
    • Naresh Satyan , Arseny Vasilyev , Amnon Yariv , George Rakuljic
    • G01S17/08 , G01S17/32 , G01S7/491 , G01S17/89
    • G01S17/08 , G01S7/4911 , G01S7/4913 , G01S17/325 , G01S17/89
    • A detection apparatus and method for FMCW LIDAR employ signals that are modified so that low-cost and low-speed photodetector arrays, such as CCD or CMOS cameras, can be employed for range detection. The LIDAR is designed to measure the range to one or more targets and includes a single mode swept frequency laser (SFL), whose optical frequency is varied with time, as a result of which, a target beam which is reflected back by the one or more targets is shifted in frequency from a reference beam by an amount that is proportional to the relative range to the one or more targets. The reflected target beam(s) is/are combined with the reference beam and detected by the photodetector array. In the case of a sparse number of targets to be detected, Compressive Sensing (CS) techniques can be employed by a processor to reduce the number of measurements necessary to determine the range of each target.
    • 用于FMCW LIDAR的检测装置和方法采用被修改的信号，使得可以使用诸如CCD或CMOS照相机的低成本和低速光电检测器阵列进行范围检测。 激光雷达设计用于测量到一个或多个目标的范围，并且包括单频扫频激光器（SFL），其光频随时间变化，结果是由一个或多个目标光束反射的目标光束 更多的目标在频率上从参考光束移位的量与一个或多个目标的相对范围成比例。 反射的目标光束与参考光束组合并由光电检测器阵列检测。 在要检测的目标数量稀少的情况下，处理器可以使用压缩感测（CS）技术来减少确定每个目标的范围所需的测量次数。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 7. 发明申请
      US20150177380A1 THREE-DIMENSIONAL TOMOGRAPHIC IMAGING CAMERA 有权
    • THREE-DIMENSIONAL TOMOGRAPHIC IMAGING CAMERA
    • 三维图像成像摄像机
    • US20150177380A1
    • 2015-06-25
    • US14586584
    • 2014-12-30
    • Naresh Satyan , Arseny Vasilyev , George Rakuljic , Amnon Yariv
    • Naresh Satyan , Arseny Vasilyev , George Rakuljic , Amnon Yariv
    • G01S17/32
    • G01S17/325 , G01C15/002 , G01S17/89
    • A detection apparatus and method for FMCW LIDAR employ signals whose frequencies are modified so that low-cost and low-speed photodetector arrays, such as CCD or CMOS cameras, can be employed for range detection. The LIDAR is designed to measure the range z to a target and includes a single mode swept frequency laser (SFL), whose optical frequency is varied with time, as a result of which, a target beam which is reflected back by the target is shifted in frequency from a reference beam by an amount that is proportional to the relative range z to the target. The reflected target beam is combined with the reference beam and detected by the photodetector array. By first modulating at least one of the target and reference beams such that the difference between the frequencies of the reflected target beam and the reference beam is reduced to a level that is within the bandwidth of the photodetector array, the need for high-speed detector arrays for full-field imaging is obviated.
    • 用于FMCW LIDAR的检测装置和方法使用其频率被修改的信号，使得可以使用诸如CCD或CMOS照相机的低成本和低速光电检测器阵列进行范围检测。 激光雷达设计用于测量目标的范围z，并且包括单频扫频激光器（SFL），其光频随时间变化，其结果是被目标反射回的目标光束被移位 来自参考光束的频率与与目标的相对范围z成比例的量。 反射的目标光束与参考光束组合并由光电检测器阵列检测。 通过首先调制目标和参考光束中的至少一个，使得反射的目标光束和参考光束的频率之间的差减小到在光电检测器阵列的带宽内的水平，则需要高速检测器 排除了全场成像的阵列。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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