公开(公告)号：US20160294070A1

公开(公告)日：2016-10-06

申请号：US14246261

申请日：2014-04-07

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Ziran ZHAO ,  Zhiqiang CHEN ,  Yuanjing LI ,  Wanlong WU ,  Yinong LIU ,  Jieqing YANG ,  Wenguo LIU ,  Bin SANG ,  Lei ZHENG

IPC: H01Q21/08 ,  H01Q1/50 ,  H01Q5/378 ,  H01Q21/00 ,  H01Q9/04

CPC classification number: H01Q21/08 ,  G03H5/00 ,  H01Q1/50 ,  H01Q1/525 ,  H01Q5/378 ,  H01Q9/045 ,  H01Q9/0457 ,  H01Q13/02 ,  H01Q21/0081 ,  H01Q21/065

Abstract: There is provided a wideband patch antenna and an antenna array. The antenna includes a dielectric substrate of a rectangle shape, a radiation patch formed on a top surface of the dielectric substrate, a coupling patch formed on the top surface of the dielectric substrate and extending from a side of the dielectric substrate to a position from the radiation patch by a distance, a metal support arranged on the lower surface of the dielectric substrate and extending from the edge of the lower surface of the dielectric substrate downward to the ground, a layer of air having a predetermined thickness being formed between the lower surface of the dielectric substrate and the ground. According to the embodiments, it is possible to improve the directivity of the wideband microstrip antenna while maintaining its small size.

Abstract translation: 提供了宽带贴片天线和天线阵列。 该天线包括矩形电介质基片，形成在电介质基底的顶表面上的辐射贴片，形成在电介质基底的顶表面上并从电介质基片一侧延伸到从 辐射贴片一段距离，金属支架布置在电介质基片的下表面上并从电介质基底的下表面的边缘向下延伸到地面，具有预定厚度的空气层形成在下表面 的电介质基片和地面。 根据实施例，可以在保持其小尺寸的同时提高宽带微带天线的方向性。

公开(公告)号：US20150048984A1

公开(公告)日：2015-02-19

申请号：US14284642

申请日：2014-05-22

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Ziran ZHAO ,  Zhiqiang CHEN ,  Yuanjing LI ,  Wanlong WU ,  Jieqing YANG ,  Wenguo LIU ,  Xilei LUO ,  Bin SANG ,  Lei ZHENG

IPC: H01Q13/02 ,  H01Q21/06 ,  H01Q21/00

CPC classification number: H01Q13/02 ,  H01Q9/0457 ,  H01Q13/0266 ,  H01Q13/0283 ,  H01Q21/0087 ,  H01Q21/06 ,  H01Q21/064 ,  H01Q21/065 ,  Y10T29/49016

Abstract: There is provided a waveguide horn array, a method for forming the waveguide horn array, and an antenna system. The array includes a rectangular metal plate which is processed to have a cross section comprised of a plurality of rectangular holes arranged in the length direction of the rectangular metal plate, the lower part of each hole being formed as a rectangular waveguide, and the upper part of each hole being formed as a horn; and a groove extending in the direction along which the plurality of holes are arranged and having a predetermined depth, which is formed at two sides of the holes on the top surface of the rectangular metal plate. According to the embodiments, it is possible to maintain the good properties of the antenna in terms of bandwidth and directivity, while enhancing the isolation between the transmitting antenna and the receiving antenna in the system.

Abstract translation: 提供了波导喇叭阵列，形成波导喇叭阵列的方法和天线系统。 阵列包括矩形金属板，其被处理成具有沿矩形金属板的长度方向布置的多个矩形孔的横截面，每个孔的下部形成为矩形波导，上部 每个孔形成为喇叭; 以及在矩形金属板的上表面上的孔的两侧形成有沿着多个孔布置并具有预定深度的方向延伸的槽。 根据实施例，可以在带宽和方向性方面保持天线的良好性质，同时增强系统中发射天线与接收天线之间的隔离。

公开(公告)号：US20140185743A1

公开(公告)日：2014-07-03

申请号：US14140058

申请日：2013-12-24

Applicant: Nuctech Company Limited

Inventor： Jinyu ZHANG ,  Bin SANG ,  Zhanjun DUAN ,  Li ZHANG ,  Ziran ZHAO

IPC: G01V5/00

CPC classification number: G01V5/005 ,  G01N23/046 ,  G01N2223/20 ,  G01N2223/419 ,  G01N2223/5015 ,  G01T1/2985

Abstract: A stationary CT apparatus and a method of controlling the same. The stationary CT apparatus includes: a scanning passage; a stationary carbon nanotube X-ray source arranged around the scanning passage and comprising a plurality of ray emission focal spots; and a plurality of stationary detector modules arranged around the scanning passage and disposed opposite the X-ray source. At least some of the plurality of detector modules are arranged in a substantially L shape or a substantially Π shape when viewed in a plane intersecting the scanning passage. Reconstruction of the CT apparatus without a rotary gantry is achieved and special substances in an object under inspection is identified by optimizing design of the carbon nanotube X-ray source and the detector device. The invention ensures that the stationary gantry type CT system has a small size and a high accuracy and is particularly suitable for safety inspection of baggage.

Abstract translation: 固定CT装置及其控制方法。 固定CT装置包括：扫描通道; 固定碳纳米管X射线源，其布置在所述扫描通道周围并且包括多个射线发射焦斑; 以及多个固定检测器模块，其布置在扫描通道周围并且设置成与X射线源相对。 多个检测器模块中的至少一些被布置成大致L形或基本上为＆P; 在与扫描通道相交的平面中观察时的形状。 通过优化碳纳米管X射线源和检测器设备的设计，可以实现没有旋转台架的CT设备的重建，并检测被检查物体中的特殊物质。 本发明确保了固定式龙门式CT系统的尺寸小，精度高，特别适用于行李的安全检查。

公开(公告)号：US20150048868A1

公开(公告)日：2015-02-19

申请号：US14294625

申请日：2014-06-03

Applicant: NUCTECH COMPANY LIMITED

Inventor： Ziran ZHAO ,  Wenguo LIU ,  Zhiqiang CHEN ,  Yuanjing Ll ,  Wanlong WU ,  Yinong LIU ,  Bin SANG ,  Lei ZHENG

IPC: H03L7/24

CPC classification number: H03L7/24 ,  H03B23/00 ,  H03L7/22

Abstract: A circuit to generate a sweep frequency signal that includes a reference frequency source to generate a reference frequency signal, a first frequency combination circuit coupled to the reference frequency source, and operative to generate a sweep frequency signal in a first frequency band based on the reference frequency signal, a second frequency combination circuit coupled to the reference frequency source, and operative to generate a sweep frequency signal in a second frequency band different from the first frequency band based on the reference frequency signal, a multiple-level switch coupled to outputs of the first frequency combination circuit and the second frequency combination circuit, and a control circuit controlling the first and second frequency combination circuits and the multiple-level switch to output the sweep frequency signal in the first frequency band and the sweep frequency signal in the second frequency band at an output of the multiple-level switch alternately.

Abstract translation: 一种用于产生包括参考频率源以产生参考频率信号的扫频频率信号的电路，耦合到参考频率源的第一频率组合电路，并用于基于参考频率信号产生第一频带中的扫频信号 频率信号，耦合到所述参考频率源的第二频率组合电路，并且可操作以基于所述参考频率信号在与所述第一频带不同的第二频带中产生扫频频率信号;多电平开关， 第一频率组合电路和第二频率组合电路，以及控制电路，控制第一和第二频率组合电路和多电平开关，以输出第一频带中的扫频信号和第二频率中的扫频频率信号 交替地在多级交换机的输出端发送频带。

公开(公告)号：US20150048253A1

公开(公告)日：2015-02-19

申请号：US14247803

申请日：2014-04-08

Applicant: Nuctech Company Limited

Inventor： Wanlong WU ,  Zhiqiang CHEN ,  Yuanjing LI ,  Ziran ZHAO ,  Zongjun SHEN ,  Li ZHANG ,  Bin SANG ,  Chenguang ZHU

IPC: G01S13/89

CPC classification number: G01S13/89 ,  G01S13/887 ,  G01V8/005

Abstract: The present invention discloses a millimetre wave three dimensional holographic scan imaging apparatus and a method for inspecting a human body or an article. The apparatus comprises a first millimetre wave transceiver module, a second millimetre wave transceiver module, a first guide rail device to which the first millimetre wave transceiver module is connected in slidable form, a second guide rail device to which the second millimetre wave transceiver module is connected in slidable form, a driver configured to drive the first/second millimetre wave transceiver module to move along the first/second guide rail device, and a constrainer configured to constrain kinematic relation between the first and the second millimetre wave transceiver modules such that they only move in directions opposed to each other. They may increase scan speeds, improve scan stability, reduce scan operations and enhance the reliability of the apparatus.

Abstract translation: 本发明公开了一种毫米波三维全息扫描成像装置和用于检查人体或物品的方法。 该装置包括第一毫米波收发器模块，第二毫米波收发器模块，第一毫米波收发器模块以可滑动的形式连接的第一导轨装置，第二毫米波收发器模块所在的第二导轨装置 以可滑动形式连接的驱动器，被配置为驱动第一/第二毫米波收发器模块沿着第一/第二导轨装置移动的驱动器;以及约束器，其被配置为约束第一和第二毫米波收发器模块之间的运动关系，使得它们 只能相互相反的方向移动。 它们可能会增加扫描速度，提高扫描稳定性，减少扫描操作并提高设备的可靠性。

公开(公告)号：US20150048251A1

公开(公告)日：2015-02-19

申请号：US14247837

申请日：2014-04-08

Applicant: Nuctech Company Limited

Inventor： Zhiqiang CHEN ,  Yuanjing LI ,  Ziran ZHAO ,  Wanlong WU ,  Xilei LUO ,  Yinong LIU ,  Li ZHANG ,  Bin SANG ,  Zongjun SHEN ,  Yingkang JIN ,  Zhimin ZHENG

IPC: G01V8/20 ,  G01V8/26

CPC classification number: G01V8/20 ,  G01N22/00 ,  G01V8/005 ,  G01V8/26

Abstract: The present invention discloses a millimeter wave holographic scan imaging apparatus for inspecting a human body. The apparatus includes a first millimeter wave transceiver device (40) comprising a first millimeter wave transceiver antenna array (41) for transmitting and receiving a first millimeter wave signal; a second millimeter wave transceiver device (40′), which comprises a second millimeter wave transceiver antenna array (41′) for transmitting and receiving a second millimeter wave signal, and is configured in opposite direction with relation to the first millimeter wave transceiver device; a connection member (26, 27) for connecting the first millimeter wave transceiver device (40) to the second millimeter wave transceiver device (40′); and a drive device (50), which drives one of the first and the second millimeter wave transceiver devices such that the first millimeter wave transceiver device (40) and the second millimeter wave transceiver device (40′) move in opposite directions.

Abstract translation: 本发明公开了一种用于检查人体的毫米波全息扫描成像装置。 该装置包括第一毫米波收发器装置（40），其包括用于发送和接收第一毫米波信号的第一毫米波收发器天线阵列（41） 第二毫米波收发器装置（40'），其包括用于发送和接收第二毫米波信号的第二毫米波收发器天线阵列（41'），并且被配置为与所述第一毫米波收发器装置相反的方向; 连接构件（26,27），用于将第一毫米波收发器装置（40）连接到第二毫米波收发器装置（40'）; 以及驱动装置（50），其驱动所述第一和第二毫米波收发器装置之一，使得所述第一毫米波收发器装置（40）和所述第二毫米波收发器装置（40'）沿相反方向移动。

公开(公告)号：US20150030205A1

公开(公告)日：2015-01-29

申请号：US14337190

申请日：2014-07-21

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

Inventor： Zhiqiang CHEN ,  Yuanjing LI ,  Ziran ZHAO ,  Wanlong WU ,  Yingkang JIN ,  Yinong LIU ,  Wenguo LIU ,  Xianli DING ,  Bin SANG ,  Le TANG ,  Ming RUAN ,  Chenguang ZHU ,  Liaohua FU ,  Fuhua DING ,  Shuo CAO

IPC: G06K9/00 ,  G06T7/00

CPC classification number: G06K9/00771 ,  G06K9/00362 ,  G06K2209/09 ,  G06T7/0002 ,  G06T2207/30196 ,  G06T2207/30232 ,  G07C9/00158

Abstract: The present invention provides a human body security inspection method and system. The method comprises: retrieving in real-time scanning row or column image data of a personal to be inspected; transmitting in real-time the image data to an algorithm processing module and processing these image data by the module; automatically recognizing a suspicious matter by a suspicious matter automatic target recognition technique, after retrieving an image data of an entire scanning image of the personal; any of the following three inspection modes is selected, so as to perform a further processing on basis of the recognition result of the suspicious matter, (1) in a manner of automatic target recognition technique, (2) in a combination manner of the automatic target recognition technique and a privacy protection image; and (3) a combination manner of the automatic target recognition technique, a privacy protection image and human intervention.

Abstract translation: 本发明提供一种人体安全检查方法和系统。 该方法包括：实时检索要检查的个人的行或列图像数据; 将图像数据实时传输到算法处理模块，并通过模块处理这些图像数据; 在检索个人的整个扫描图像的图像数据之后，通过可疑物体自动目标识别技术自动识别可疑物品; 选择以下三种检查模式中的任何一种，以便基于可疑物的识别结果进行进一步处理，（1）以自动目标识别技术的方式，（2）以自动 目标识别技术和隐私保护形象; 和（3）自动目标识别技术，隐私保护图像和人为干预的组合方式。

公开(公告)号：US20140185769A1

公开(公告)日：2014-07-03

申请号：US14135840

申请日：2013-12-20

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Ziran ZHAO ,  Zhiqiang CHEN ,  Yuanjing LI ,  Wanlong WU ,  Ming RUAN ,  Yinong LIU ,  Yingkang JIN ,  Le TANG ,  Yanjie WEN ,  Xiuwei CHEN ,  Fuhua DING ,  Bin SANG ,  Zongjun SHEN

IPC: G01N23/203

CPC classification number: G01N23/203 ,  A61B6/4021 ,  A61B6/4266 ,  A61B6/483 ,  G01T1/167 ,  G01V5/0025

Abstract: A human body back-scattering inspection system is disclosed. The system comprises a flying-spot forming unit configured to output beams of X-rays, a plurality of discrete detectors which are arranged vertically along a human body to be inspected, and a controlling unit coupled to the flying-spot forming unit and the plurality of detectors, and configured to generate a control signal to control the flying-spot forming unit and the plurality of detectors to perform a partition synchronous scan on the human body to be inspected vertically. The present disclosure utilizes the geometry property of the human body back-scattering inspection system, and proposes a multiple-point synchronous scan mechanism which largely accelerates the inspection of human body.

Abstract translation: 公开了一种人体背散射检查系统。 该系统包括：飞点形成单元，被配置为输出X射线束;沿着待检查的人体垂直排列的多个离散检测器;以及耦合到飞点形成单元和多个 的检测器，并且被配置为产生控制信号以控制飞点形成单元和多个检测器，以对垂直检查的人体进行分区同步扫描。 本发明利用人体背散射检查系统的几何特性，并提出了一种大大加速人体检查的多点同步扫描机构。