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    • 1. 发明申请
    • Interlaced linear array sampling technique for electromagnetic wave imaging
    • 用于电磁波成像的隔行线性阵列采样技术
    • US20070075889A1
    • 2007-04-05
    • US11240519
    • 2005-09-30
    • David SheenDouglas McMakin
    • David SheenDouglas McMakin
    • G01S13/89
    • G01S13/89H01Q21/22
    • An arrangement of receivers and transmitters used in wideband holographic imaging using a reduced number of physical antenna elements compared to established techniques and systems. At least one of the receivers is configured to receive the reflected signal from three or more of transmitters, and at least one transmitter is configured to transmit a signal to an object, the reflection of which will be received by at least three receivers. The improved arrays are easily incorporated into existing microwave and millimeter wave holographic imaging equipment utilizing the existing mechanical features of this equipment, as well as the existing wideband holographic imaging algorithms and electronics for constructing images.
    • 与已建立的技术和系统相比,使用减少数量的物理天线元件的宽带全息成像中使用的接收器和发射器的布置。 接收器中的至少一个被配置为从三个或更多个发射器接收反射信号,并且至少一个发射器被配置为将信号发送到对象,其反射将由至少三个接收器接收。 利用本设备的现有机械特征以及用于构建图像的现有宽带全息成像算法和电子装置,改进的阵列容易地并入现有的微波和毫米波全息成像设备中。
    • 2. 发明申请
    • HOLOGRAPHIC ARRAYS FOR MULTI-PATH IMAGING ARTIFACT REDUCTION
    • 用于多路径成像减少的全息图阵列
    • US20070205936A1
    • 2007-09-06
    • US11088470
    • 2005-03-24
    • Douglas McMakinDavid SheenThomas Hall
    • Douglas McMakinDavid SheenThomas Hall
    • G01S13/89
    • G01S13/89G01S7/026H01Q1/22
    • A method and apparatus to remove human features utilizing at least one transmitter transmitting a signal between 200 MHz and 1 THz, the signal having at least one characteristic of elliptical polarization, and at least one receiver receiving the reflection of the signal from the transmitter. A plurality of such receivers and transmitters are arranged together in an array which is in turn mounted to a scanner, allowing the array to be passed adjacent to the surface of the item being imaged while the transmitter is transmitting electromagnetic radiation. The array is passed adjacent to the surface of the item, such as a human being, that is being imaged. The portions of the received signals wherein the polarity of the characteristic has been reversed and those portions of the received signal wherein the polarity of the characteristic has not been reversed are identified. An image of the item from those portions of the received signal wherein the polarity of the characteristic was reversed is then created.
    • 一种利用至少一个发射机在200MHz和1Hz之间传输信号的信号去除人体特征的方法和装置,所述信号具有至少一个椭圆偏振特征,以及至少一个接收器,其接收来自发射机的信号的反射。 多个这样的接收器和发射器被布置在阵列中,阵列依次安装到扫描器,允许阵列在发射器正在传送电磁辐射的同时被邻近待成像物品的表面通过。 该阵列被邻近物体的表面传递,例如正被成像的物体的表面。 识别出特性极性已反转的接收信号部分,以及特性极性未被反转的接收信号部分。 然后产生从接收信号的那些部分中的特征的极性反转的图像。