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    • 1. 发明授权
    • Method and apparatus for clearing an optical channel
    • 用于清除光通道的方法和装置
    • US08655178B2
    • 2014-02-18
    • US13367769
    • 2012-02-07
    • Barbara A. CapronWilliam A. McNeelyKishan DholakiaAntonia Erika Carruthers
    • Barbara A. CapronWilliam A. McNeelyKishan DholakiaAntonia Erika Carruthers
    • H04B10/00H04B10/02
    • H04B10/112
    • A method and apparatus for clearing an optical channel for transmitting data through free space between a first and second location includes a light beam, wherein the light beam has a spatially and/or time-dependent modulated intensity profile, and is substantially collimated so that the intensity profile is conserved over a specified distance of operation. The light beam includes a cross-sectional profile having regions of low and high intensity, portions of which are provided for the transmission of an optical data signal. A light source wavelength and intensity are selected for types of obscurant particles having optical properties whereby the radiation pressure acts on the particles, and the particles may then be either attracted into or repelled from portions of the spatially modulated optical beam, leaving certain portions of the optical channel beam absent of obscurant particles, thereby enabling transmission of optical data through the cleared optical channel with low attenuation.
    • 用于清除用于通过第一和第二位置之间的自由空间传输数据的光信道的方法和装置包括光束,其中光束具有空间和/或时间依赖的调制强度分布,并且基本准直,使得 强度分布在指定的操作距离内保存。 光束包括具有低强度和高强度区域的横截面轮廓,其部分设置用于传输光学数据信号。 对于具有光学特性的不透明粒子的类型,选择光源波长和强度,由此辐射压力作用在颗粒上,然后可以将颗粒从空间调制的光束的部分吸引或排斥,留下某些部分的 光通道光束不存在晦暗的颗粒,从而能够以低衰减通过清除光信道传输光学数据。
    • 2. 发明申请
    • METHOD AND APPARATUS FOR CLEARING AN OPTICAL CHANNEL
    • 用于清除光通道的方法和装置
    • US20120134682A1
    • 2012-05-31
    • US13367769
    • 2012-02-07
    • Barbara A. CapronWilliam A. McNeelyKishan DholakiaAntonia Erika Carruthers
    • Barbara A. CapronWilliam A. McNeelyKishan DholakiaAntonia Erika Carruthers
    • H04B10/00
    • H04B10/112
    • A method and apparatus for clearing an optical channel for transmitting data through free space between a first and second location includes a light beam, wherein the light beam has a spatially and/or time-dependent modulated intensity profile, and is substantially collimated so that the intensity profile is conserved over a specified distance of operation. The light beam includes a cross-sectional profile having regions of low and high intensity, portions of which are provided for the transmission of an optical data signal. A light source wavelength and intensity are selected for types of obscurant particles having optical properties whereby the radiation pressure acts on the particles, and the particles may then be either attracted into or repelled from portions of the spatially modulated optical beam, leaving certain portions of the optical channel beam absent of obscurant particles, thereby enabling transmission of optical data through the cleared optical channel with low attenuation.
    • 用于清除用于通过第一和第二位置之间的自由空间传输数据的光信道的方法和装置包括光束,其中光束具有空间和/或时间依赖的调制强度分布,并且基本准直,使得 强度分布在指定的操作距离内保存。 光束包括具有低强度和高强度区域的横截面轮廓,其部分设置用于传输光学数据信号。 对于具有光学特性的不透明粒子的类型,选择光源波长和强度,由此辐射压力作用在颗粒上,然后可以将颗粒从空间调制的光束的部分吸引或排斥,留下某些部分的 光通道光束不存在晦暗的颗粒,从而能够以低衰减通过清除光信道传输光学数据。
    • 3. 发明申请
    • METHOD & APPARATUS FOR CLEARING AN OPTICAL CHANNEL
    • 清除光通道的方法和装置
    • US20080279558A1
    • 2008-11-13
    • US12036975
    • 2008-02-25
    • Barbara A. CapronWilliam A. McNeelyKishan DholakiaAntonia Erika Carruthers
    • Barbara A. CapronWilliam A. McNeelyKishan DholakiaAntonia Erika Carruthers
    • H04B10/00
    • H04B10/112
    • A method and apparatus for clearing an optical channel for transmitting data through free space between a first and second location includes a light beam, wherein the light beam has a spatially and/or time-dependent modulated intensity profile, and is substantially collimated so that the intensity profile is conserved over a specified distance of operation. The light beam includes a cross-sectional profile having regions of low and high intensity, portions of which are provided for the transmission of an optical data signal. A light source wavelength and intensity are selected for types of obscurant particles having optical properties whereby the radiation pressure acts on the particles, and the particles may then be either attracted into or repelled from portions of the spatially modulated optical beam, leaving certain portions of the optical channel beam absent of obscurant particles, thereby enabling transmission of optical data through the cleared optical channel with low attenuation.
    • 用于清除用于通过第一和第二位置之间的自由空间传输数据的光信道的方法和装置包括光束,其中光束具有空间和/或时间依赖的调制强度分布,并且基本准直,使得 强度分布在指定的操作距离内保存。 光束包括具有低强度和高强度区域的横截面轮廓,其部分设置用于传输光学数据信号。 对于具有光学特性的不透明粒子的类型,选择光源波长和强度,由此辐射压力作用在颗粒上,然后可以将颗粒从空间调制的光束的部分吸引或排斥,留下某些部分的 光通道光束不存在晦暗的颗粒,从而能够以低衰减通过清除光信道传输光学数据。
    • 4. 发明授权
    • Super-resolution imaging radar
    • 超分辨率成像雷达
    • US08184043B2
    • 2012-05-22
    • US12723098
    • 2010-03-12
    • Barbara A. CapronClaudio Gilbert ParazzoliMinas H. Tanielian
    • Barbara A. CapronClaudio Gilbert ParazzoliMinas H. Tanielian
    • G01S13/00
    • G01S13/89G01S13/30
    • A system, apparatus, and method are disclosed for a super-resolution imaging radar (SRIR). The SRIR employs a pulse signal generator that propagates bursts of radio frequency (RF) energy. Each burst contains a number of pulses. One pulse of each burst is an ancilla pulse, and the remaining pulses are propagated towards an object. An array bucket detector (ABD) collects pulses that are reflected from the object. Also, the ancilla pulses are propagated through a virtual lens. A virtual scanning detector detects the virtual ancilla electric field. A processor calculates a virtual ancilla electric field, which would be present at the scanning detector. Further, a coincidence circuit calculates a cross-time correlation function of the electric fields of the reflected pulses that are collected by the ABD and the virtual ancilla electric field. The coincidence circuit uses cross-time correlation function results to generate pixels of an image of the object.
    • 公开了一种用于超分辨率成像雷达(SRIR)的系统,装置和方法。 SRIR采用传播射频(RF)能量脉冲的脉冲信号发生器。 每个脉冲串包含多个脉冲。 每个脉冲串的一个脉冲是一个辅助脉冲,剩下的脉冲朝着物体传播。 阵列桶检测器(ABD)收集从物体反射的脉冲。 此外,辅助脉冲通过虚拟透镜传播。 虚拟扫描检测器检测虚拟辅助电场。 处理器计算将存在于扫描检测器处的​​虚拟辅助电场。 此外,符合电路计算由ABD和虚拟辅助电场收集的反射脉冲的电场的交叉时间相关函数。 符合电路使用交叉时间相关函数结果来生成对象的图像的像素。