公开(公告)号：US20150188296A1

公开(公告)日：2015-07-02

申请号：US14578326

申请日：2014-12-19

Applicant: NUCTECH COMPANY LIMITED

Inventor： Qingjun ZHANG ,  Yuanjing LI ,  Zhiqiang CHEN ,  Yanchun WANG ,  Ziran ZHAO ,  Yinong LIU ,  Yaohong LIU ,  Xiang ZOU ,  Qiufeng MA ,  Junxiao WANG ,  Jianping CHANG

IPC: H01T19/00 ,  G01N27/62 ,  H01J49/16

CPC classification number: H01T19/00 ,  G01N27/622 ,  H01J49/168

Abstract: The present invention discloses a corona discharge assembly, including: an ionization discharge chamber, wherein the ionization discharge chamber includes a metal corona cylinder, and the metal corona cylinder is provided with an inlet of a gas to be analyzed and an annular piece-shaped port which forms a non-uniform electric field with corona pins and is provided with a circular hole at the middle; a rotating shaft is installed on the cylinder wall of the metal corona cylinder in an insulating manner, the rotating shaft is vertical to the axial line of the metal corona cylinder, and a turntable provided with multiple corona pins at the outer edge is installed at the end part of the rotating shaft the axial line of the metal corona cylinder passes in parallel through the rotation plane of the turntable. The present invention further discloses an ion mobility spectrometer using the above-mentioned corona discharge assembly.

Abstract translation: 本发明公开了一种电晕放电组件，包括：离子化放电室，其中电离放电室包括金属电晕圆筒，金属电晕圆筒设有待分析气体的入口和环形片状端口 其形成具有电晕针的不均匀电场，并在中间设置有圆形孔; 旋转轴以绝缘方式安装在金属电晕圆筒的气缸壁上，旋转轴垂直于金属电晕圆筒的轴线，并且在外边缘处设置有多个电晕针的转盘安装在 旋转轴的端部，金属电晕圆筒的轴线平行通过转台的旋转平面。 本发明还公开了使用上述电晕放电组件的离子迁移谱仪。

公开(公告)号：US20150186839A1

公开(公告)日：2015-07-02

申请号：US14580596

申请日：2014-12-23

Applicant: NUCTECH COMPANY LIMITED ,  TSINGHUA UNIVERSITY

Inventor： Zhiqiang CHEN ,  Ziran ZHAO ,  Wenjing WANG ,  Jin CUI ,  Dong LIN ,  Dongxu JI ,  Bin HU ,  Na LI

IPC: G06Q10/08

CPC classification number: G06Q10/0832 ,  G06Q10/083

Abstract: The disclosure provides a whole-course visualization system for logistics articles, including: an information collecting subsystem, including a plurality of information collecting units, which are respectively deployed at different sites along a logistics route, and configured to collect ID information of a parcel and acquire image information of an article in the parcel; and an information center processing subsystem, configured to store and manage data of the ID information and image information collected by and sent from the information collecting units, and send the stored data to the information collecting units according to requests from information collecting units; wherein the information collecting units compare data sent from the information center processing subsystem with the ID information and image information collected by information collecting units, and determine whether the collected ID information and image information are consistent with the data sent from information center processing subsystem.

Abstract translation: 本发明提供了一种用于物流物品的全程可视化系统，包括：信息收集子系统，包括多个信息收集单元，其分别部署在沿着物流路线的不同站点处，并且被配置为收集包裹的ID信息，以及 获取包裹中的物品的图像信息; 以及信息中心处理子系统，被配置为存储和管理从信息收集单元收集和发送的ID信息和图像信息的数据，并且根据来自信息收集单元的请求将存储的数据发送到信息收集单元; 其中信息收集单元将从信息中心处理子系统发送的数据与由信息收集单元收集的ID信息和图像信息进行比较，并且确定所收集的ID信息和图像信息是否与从信息中心处理子系统发送的数据一致。

公开(公告)号：US20150185357A1

公开(公告)日：2015-07-02

申请号：US14577069

申请日：2014-12-19

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Zhiqiang CHEN ,  Li ZHANG ,  Qingping HUANG ,  Yunda SUN ,  Xin JIN ,  Tao YANG ,  Le SHEN ,  Ji ZHAO

IPC: G01V5/00 ,  G01N23/04

CPC classification number: G01V5/0041 ,  G01N23/046 ,  G01T1/2985 ,  G01V5/005

Abstract: Multi-spectral static CT apparatuses are disclosed. The apparatus includes a ray source in a form of multiple distributed spots, multiple columns of detectors, a data acquisition device, an article carrying and control device, and a multi-spectral projection data processing device. An object of the present disclosure is to combine static CT scanning technology with multi-spectral analysis technology. It has an advantage of a static CT system, such as high scanning speed, simple mechanic structure, and/or cost reduction due to omission of slip ring. It also can perform identification of material in an article, and can be widely applied in occasions such as safety inspection, and smuggling suppression at customs.

Abstract translation: 公开了多光谱静态CT装置。 该装置包括多个分布点的形式的射线源，多列检测器，数据采集装置，物品携带和控制装置以及多光谱投影数据处理装置。 本公开的目的是将静态CT扫描技术与多光谱分析技术相结合。 它具有静电CT系统的优点，如扫描速度快，机械结构简单，和/或由于省略滑环而降低成本。 也可以在物品中进行材料鉴定，并可广泛应用于安全检查，海关走私等场合。

公开(公告)号：US20150185164A1

公开(公告)日：2015-07-02

申请号：US14577701

申请日：2014-12-19

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

Inventor： Zhiqiang CHEN ,  Yigang YANG ,  Xuewu WANG ,  Qinjian ZHANG ,  Huaibi CHEN ,  Yuanjing LI

IPC: G01N23/00 ,  G21G4/02

CPC classification number: G01N23/005 ,  G01V5/0091 ,  G21G4/02

Abstract: Embodiments of the present invention disclose a nuclide identification method, a nuclide identification system, and a photoneutron emitter. The photoneutron emitter comprises: a pulsed electron accelerator configured for emitting electrons; and a photoneutron converting target configured to receive the electrons emitted by the pulsed electron accelerator and convert the electrons into photoneutrons. The photoneutron converting target has a volume of about 100 to about 8000 cm3, of about 100 to about 2500 cm3, or of about 785 cm3. These embodiments of the present invention can improve an accuracy of identification of a nuclide, and provide a practical photoneutron emitter, method and system for identifying a nuclide.Especially, these embodiments of the present invention can improve an accuracy of identification of a fissile nuclide such as 233U, 235U, and 239Pu, and provide a practical photoneutron emitter, method and system for identifying a fissile nuclide such as 233U, 235U, and 239Pu.

Abstract translation: 本发明的实施例公开了核素识别方法，核素鉴定系统和光子中子发射体。 光子中子发射体包括：配置用于发射电子的脉冲电子加速器; 以及被配置为接收由脉冲电子加速器发射的电子并将电子转换成光子酮的光子中子转换目标。 光子中子转化靶具有约100至约8000cm 3，约100至约2500cm 3或约785cm 3的体积。 本发明的这些实施方案可以提高核素的鉴定精度，并提供实用的光子中子发射体，用于识别核素的方法和系统。 特别地，本发明的这些实施例可以提高诸如233U，235U和239Pu之类的裂变核素的鉴定准确度，并提供一种实用的光子中子发射体，用于识别易裂变核素的方法和系统，例如233U，235U和239Pu 。

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：US20150030225A1

公开(公告)日：2015-01-29

申请号：US14337209

申请日：2014-07-22

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

Inventor： Yuxiang XING ,  Le SHEN ,  Li ZHANG ,  Zhiqiang CHEN ,  Liang LI

IPC: G06T11/00 ,  G06T5/00 ,  G01N23/04

CPC classification number: G01N23/046 ,  G06T11/006 ,  G06T2207/10081 ,  G06T2207/20182 ,  G06T2207/30004 ,  G06T2211/408 ,  G06T2211/424

Abstract: The present disclosure relates to a self-prior information based X-ray dual-energy CT reconstruction method, which can utilize information inherent in data to provide a prior model, thereby obtaining a reconstructed image with a high quality. The X-ray dual-energy CT reconstruction method according to the present disclosure comprises: (a) rating an energy spectrum and establishing a dual-energy lookup table; (b) collecting high-energy data pH and low-energy data pL of a dual-energy CT imaging system using a detector of the dual-energy CT imaging system; (c) obtaining projection images R1 and R2 of scaled images r1 and r2 according to the obtained high-energy data pH and low-energy data pL; (d) reconstructing the scaled image r2 using a first piece-wise smooth constraint condition and thereby obtaining an electron density image; and (e) reconstructing the scaled image r1 using a second piece-wise smooth constraint condition and thereby obtaining an equivalent atomic number image. In the present disclosure, the noise in the dual-energy reconstructed image can be effectively prohibited while keeping the resolution by effectively using information inherent in data.

Abstract translation: 本公开涉及一种基于自我先验信息的X射线双能CT重建方法，其可以利用数据中固有的信息来提供先验模型，从而获得具有高质量的重建图像。 根据本公开的X射线双能CT重建方法包括：（a）评估能谱并建立双能量查找表; （b）使用双能CT成像系统的检测器收集双能CT成像系统的高能数据pH和低能量数据pL; （c）根据获得的高能量数据pH和低能量数据pL，获得缩放图像r1和r2的投影图像R1和R2; （d）使用第一分段平滑约束条件重建缩放图像r2，从而获得电子密度图像; 和（e）使用第二分段平滑约束条件重建缩放图像r1，从而获得等效的原子序数图像。 在本公开中，可以有效地禁止双能量重构图像中的噪声，同时通过有效地使用数据中固有的信息来保持分辨率。

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。