公开(公告)号：US20060109174A1

公开(公告)日：2006-05-25

申请号：US11147899

申请日：2005-06-08

申请人： Izhak Baharav ,  Robert Taber ,  Gregory Lee ,  John Kofol

发明人： Izhak Baharav ,  Robert Taber ,  Gregory Lee ,  John Kofol

IPC分类号： G01S13/89

CPC分类号： H01Q21/065 ,  G01S13/04 ,  G01S13/89 ,  G01V8/005 ,  H01Q3/26

摘要： A microwave imaging system uses microwave radiation provided by a microwave source to image targets. The system includes an array of antenna elements that are capable of being programmed with a respective transmission coefficient to direct the microwave illumination from the microwave source toward a position on the target. The antenna elements are further capable of being programmed with a respective additional transmission coefficient to receive reflected microwave illumination reflected from the position on the target and direct the reflected microwave illumination towards a microwave receiver. A processor is operable to measure an intensity of the reflected microwave illumination to determine a value of a pixel within an image of the target. Multiple beams can be directed towards the target to obtain corresponding pixel values for use by the processor in constructing the image.

摘要翻译： 微波成像系统使用由微波源提供的微波辐射来对目标进行成像。 该系统包括天线元件阵列，其能够用相应的传输系数进行编程，以将来自微波源的微波照明引导到目标上的位置。 天线元件还能够用相应的附加传输系数进行编程，以接收从目标上的位置反射的反射的微波照射并将反射的微波照射引导到微波接收器。 处理器可操作以测量反射的微波照明的强度以确定目标图像内的像素的值。 多个光束可以被引向目标以获得对应的像素值，供处理器在构建图像时使用。

公开(公告)号：US20060109160A1

公开(公告)日：2006-05-25

申请号：US11148079

申请日：2005-06-08

申请人： Izhak Baharav ,  Robert Taber ,  Gregory Lee ,  John Kofol

发明人： Izhak Baharav ,  Robert Taber ,  Gregory Lee ,  John Kofol

IPC分类号： G01S13/00

CPC分类号： H01Q1/2216 ,  G01S13/887 ,  G01S13/89 ,  G01V8/005 ,  H01Q1/22 ,  H01Q21/065

摘要： A microwave imaging system uses microwave radiation provided by a microwave source to image targets. The system includes an array of antenna elements that are capable of being programmed with a respective direction coefficient to direct the microwave illumination from the microwave source toward a position on the target. The antenna elements are further capable of being programmed to receive reflected microwave illumination reflected from the position on the target. A processor is operable to measure an intensity of the reflected microwave illumination to determine a value of a pixel within an image of the target. Multiple beams can be directed towards the target to obtain corresponding pixel values for use by the processor in constructing the image.

摘要翻译： 微波成像系统使用由微波源提供的微波辐射来对目标进行成像。 该系统包括天线元件阵列，其能够用相应的方向系数进行编程，以将来自微波源的微波照明引导到目标上的位置。 天线元件还能够被编程以接收从目标上的位置反射的反射的微波照明。 处理器可操作以测量反射的微波照明的强度以确定目标图像内的像素的值。 多个光束可以被引向目标以获得对应的像素值，供处理器在构建图像时使用。

公开(公告)号：US20070139249A1

公开(公告)日：2007-06-21

申请号：US11303581

申请日：2005-12-16

申请人： Izhak Baharav ,  Robert Taber ,  Gregory Lee ,  John Neil ,  Paul Corredoura ,  William Weems ,  James Young

发明人： Izhak Baharav ,  Robert Taber ,  Gregory Lee ,  John Neil ,  Paul Corredoura ,  William Weems ,  James Young

IPC分类号： G01S13/89

CPC分类号： G01S13/89 ,  H01Q3/46

摘要： A handheld microwave imaging device provides screening of objects, such as persons and other items. The imaging device includes an antenna array of antenna elements, each capable of being programmed with a respective direction coefficient to direct microwave illumination toward a target associated with the object, and each capable of being programmed with a respective additional direction coefficient to receive reflected microwave illumination reflected from the target. The imaging device further includes a processor operable to measure an intensity of the reflected microwave illumination to determine a value of a voxel within a microwave image of the object. The antenna array is compliantly mounted in a first portion of a support structure, while a second portion of the support structure defines a handle for enabling a user to control movement of the device.

摘要翻译： 手持式微波成像装置提供物体的检查，例如人和其他物品。 该成像装置包括天线元件的天线阵列，每个天线阵列能够​​被编程有相应的方向系数以将微波照明引导到与物体相关联的目标，并且每个都能够被编程有相应的附加方向系数以接收反射的微波照射 从目标反映出来。 成像装置还包括处理器，可操作以测量反射的微波照射的强度，以确定物体的微波图像内的体素的值。 天线阵列顺从地安装在支撑结构的第一部分中，而支撑结构的第二部分限定了用于使用户能够控制设备的移动的手柄。

公开(公告)号：US20070013575A1

公开(公告)日：2007-01-18

申请号：US11181111

申请日：2005-07-14

申请人： Gregory Lee ,  Robert Taber ,  Izhak Baharav

发明人： Gregory Lee ,  Robert Taber ,  Izhak Baharav

IPC分类号： G01S13/89

CPC分类号： G01S13/89 ,  G01S7/2813

摘要： A microwave imaging system suppresses sidelobes in a microwave image captured using a sparse antenna array using an illumination system that operates in two different illumination modes. The antenna array including subarrays of antenna elements arranged in a sparse geometry to form complementary subarray patterns. The illumination system operates in a first mode to transmit microwave illumination to both of the complementary subarray patterns of the antenna array and receive reflected microwave illumination from both of the complementary subarray patterns of the antenna array to produce a first receive signal. The illumination system further operates in a second mode to transmit microwave illumination to a first one of the complementary subarray patterns of the antenna array and receive reflected microwave illumination from a second one of the complementary subarray patterns of the antenna array to produce a second receive signal. Sidelobes are suppressed using a linear combination of the first and second receive signals.

摘要翻译： 微波成像系统使用在两种不同照明模式下操作的照明系统，使用稀疏天线阵列捕获的微波图像中的旁瓣。 天线阵列包括以稀疏几何布置的天线元件的子阵列，以形成互补的子阵列图案。 照明系统以第一模式操作以将微波照明传送到天线阵列的互补子阵列图案，并从天线阵列的两个互补子阵列图案接收反射的微波照明以产生第一接收信号。 所述照明系统进一步在第二模式下操作以将微波照明传送到所述天线阵列的所述互补子阵列图案中的第一个，并且从所述天线阵列的所述互补子阵列图案中的第二个接收反射的微波照明以产生第二接收信号 。 使用第一和第二接收信号的线性组合抑制旁瓣。

公开(公告)号：US20060214836A1

公开(公告)日：2006-09-28

申请号：US11089298

申请日：2005-03-24

申请人： Izhak Baharav ,  Robert Taber ,  Gregory Lee

发明人： Izhak Baharav ,  Robert Taber ,  Gregory Lee

IPC分类号： G01S13/89

CPC分类号： G01S13/89 ,  H01Q1/38 ,  H01Q3/46

摘要： An antenna array for use within a microwave imaging system to capture a microwave image of a target is selectively programmed to optimize one or more parameters of the microwave imaging system. The array includes a plurality of antenna elements, each capable of being programmable with a respective phase shift to direct a beam of microwave radiation toward the target such that the microwave radiation from each of the plurality of antenna elements arrives at the target substantially in-phase. To optimize a parameter of the microwave imaging system, the phase shifts of selective ones of the antenna elements are altered, while still maintaining the substantially in-phase microwave radiation at the target.

摘要翻译： 在微波成像系统内用于捕获目标的微波图像的天线阵列被选择性地编程以优化微波成像系统的一个或多个参数。 该阵列包括多个天线元件，每个天线元件能够以相应的相移可编程，以将微波辐射束引向目标，使得来自多个天线元件中的每一个的微波辐射到达目标基本上同相 。 为了优化微波成像系统的参数，天线元件中的选择性天线元件的相移被改变，同时仍保持目标处的基本上同相的微波辐射。

公开(公告)号：US20060214834A1

公开(公告)日：2006-09-28

申请号：US11088830

申请日：2005-03-24

申请人： Izhak Baharav ,  Robert Taber ,  Gregory Lee

发明人： Izhak Baharav ,  Robert Taber ,  Gregory Lee

IPC分类号： G01S13/89

CPC分类号： G01N22/00

摘要： A microwave imaging system captures a microwave image of a target and minimizes noise in the microwave image using phase differentiation. A reflector antenna array is provided including a plurality of antenna elements for reflecting microwave radiation towards the target and for reflecting microwave radiation reflected from the target towards a microwave receiver. A processor programs the antenna elements with respective first phase shifts to capture a first microwave image of the target, and programs the antenna elements with respective second phase shifts to capture a second microwave image of the target. The first phase shift of each antenna element is 180 degrees different than the second phase shift for that antenna element. The processor minimizes noise from a combination of the first microwave image and the second microwave image.

摘要翻译： 微波成像系统捕获目标的微波图像，并使用相位微分使微波图像中的噪声最小化。 提供了一种反射器天线阵列，其包括多个天线元件，用于将微波辐射反射到目标物并用于将从目标物反射的微波辐射反射向微波接收器。 A处理器以相应的第一相移对天线元件进行编程以捕获目标的第一微波图像，并且用相应的第二相移对天线元件进行编程以捕获目标的第二微波图像。 每个天线元件的第一相移与该天线元件的第二相移成180度。 该处理器使来自第一微波图像和第二微波图像的组合的噪声最小化。

公开(公告)号：US20060081764A1

公开(公告)日：2006-04-20

申请号：US10966313

申请日：2004-10-14

申请人： Gregory Lee ,  Robert Taber ,  Izhak Baharav

发明人： Gregory Lee ,  Robert Taber ,  Izhak Baharav

IPC分类号： H01L27/00

CPC分类号： G01S13/89

摘要： A technique for imaging an object with a coherent beam of electromagnetic radiation involves sequencing at least a portion of the coherent beam through a set of orthogonal transverse spatial modes and summing the output signals that result from set of orthogonal transverse spatial modes. To create an image of an object, the coherent beam is applied to multiple spots on the object and~sequenced through the same set of orthogonal transverse spatial modes at each spot. The output signals generated from the sequencing are summed on a per-spot basis.

摘要翻译： 用相干的电磁辐射波束成像物体的技术涉及通过一组正交横向空间模式对相干光束的至少一部分进行排序，并对由正交横向空间模式集合产生的输出信号求和。 为了创建对象的图像，将相干光束应用于对象上的多个点，并通过在每个点处的相同的正交横向空间模式集进行排序。 从排序产生的输出信号基于每个点相加。

公开(公告)号：US20070139248A1

公开(公告)日：2007-06-21

申请号：US11303294

申请日：2005-12-16

申请人： Izhak Baharav ,  Robert Taber ,  Gregory Lee ,  John Neil ,  Paul Corredoura ,  William Weems ,  James Young

发明人： Izhak Baharav ,  Robert Taber ,  Gregory Lee ,  John Neil ,  Paul Corredoura ,  William Weems ,  James Young

IPC分类号： G01S13/89

CPC分类号： G01S13/89

摘要： A microwave imaging system for performing standoff microwave imaging includes an antenna array with a plurality of antenna elements, each capable of being programmed with a respective direction coefficient to direct microwave illumination toward a target within a volume that includes a standoff region, and each capable of being programmed with a respective additional direction coefficient to receive reflected microwave illumination reflected from the target. A processor measures an intensity of the reflected microwave illumination to determine a value of a voxel within a microwave image of the volume. The processor constructs the microwave image with a resolution sufficient to identify objects within the standoff region.

摘要翻译： 用于执行隔离微波成像的微波成像系统包括具有多个天线元件的天线阵列，每个天线阵列能够​​被编程为具有各自的方向系数，以将微波照明引导到包括对接区域的体积内的目标，并且每个能够 被编程有相应的附加方向系数以接收从目标反射的反射的微波照射。 处理器测量反射的微波照射的强度以确定体积的微波图像内的体素的值。 处理器以足以识别对立区域内的对象的分辨率来构建微波图像。

公开(公告)号：US20060214835A1

公开(公告)日：2006-09-28

申请号：US11088831

申请日：2005-03-24

申请人： Gregory Lee ,  Robert Taber ,  Izhak Baharav

发明人： Gregory Lee ,  Robert Taber ,  Izhak Baharav

IPC分类号： G01S13/88 ,  G01S13/89 ,  G01V3/12 ,  G01S13/00 ,  G01S7/40

CPC分类号： G01V8/005 ,  G01N22/00 ,  G01S13/89

摘要： An inspection system uses microwave radiation to capture a microwave image of a transportable item. The system includes a transmit scanning panel including a transmit array of transmit antenna elements, each being programmable with a respective phase delay to direct a transmit beam of microwave radiation toward a target of the transportable item for transmission of the microwave radiation through the target. The system further includes a receive scanning panel including a receive array of receive antenna elements, each being programmable with a respective phase delay to receive a receive beam of microwave radiation from the target. A processor measures the amplitude and phase of the microwave radiation in the receive beam to determine a relative value of a pixel within the microwave image of the transportable item based on a reference value of the pixel.

摘要翻译： 检查系统使用微波辐射来捕获可移动物品的微波图像。 该系统包括发射扫描面板，其包括发射天线元件的发射阵列，每个发射天线元件可以相应的相位延迟进行编程，以将微波辐射的发射光束引向可运输物品的目标物，以便通过目标传输微波辐射。 该系统还包括接收扫描面板，其包括接收阵列的接收天线元件，每个接收阵列可以相应的相位延迟来编程，以从目标接收微波辐射的接收束。 处理器测量接收波束中的微波辐射的幅度和相位，以基于像素的参考值来确定可运输物品的微波图像内的像素的相对值。

公开(公告)号：US20060214833A1

公开(公告)日：2006-09-28

申请号：US11088610

申请日：2005-03-24

申请人： Izhak Baharav ,  Robert Taber ,  Gregory Lee

发明人： Izhak Baharav ,  Robert Taber ,  Gregory Lee

IPC分类号： G01S13/89

CPC分类号： G01S13/89 ,  H01Q1/38 ,  H01Q3/46

摘要： An antenna array for use within a microwave imaging system includes a plurality of reflecting antenna elements, each capable of being programmed with respective phase-shifts in a first pattern to direct a first beam of microwave radiation towards a first target, and each being capable of being programmed with respective phase-shifts in a second pattern to direct a second beam of microwave radiation towards a second target. To capture a microwave image of an object, the antenna elements are programmed with respective phase-shifts in an interleaved pattern including a portion of the first pattern and a portion of the second pattern.

摘要翻译： 在微波成像系统内使用的天线阵列包括多个反射天线元件，每个反射天线元件能够以第一图案中的相应相移进行编程，以将第一微波辐射束引向第一目标，并且每个能够 以第二图案中的相应的相移编程，以将第二射线束的微波辐射引向第二目标。 为了捕获对象的微波图像，天线元件以包括第一图案的一部分和第二图案的一部分的交错图案中的各自相移进行编程。