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    • 1. 发明申请
    • UNDERGROUND CAVITY DETECTION BY ELECTROMAGNETIC SHOCK WAVES
    • 电磁冲击波的地下室检测
    • WO2011082410A3
    • 2012-07-19
    • PCT/US2011020072
    • 2011-01-04
    • SOREQ NUCLEAR RES CTKESAR AMITGINZBURG BORISKLEIN DAVID
    • KESAR AMITGINZBURG BORIS
    • G01V3/30
    • G01V3/30G01S13/04G01S13/88
    • A method for detection of underground anomalies including in a system of distributed antennas (10), which are leaky transmission lines, disposed in boreholes (12) formed in a ground, a transmitter (14) being connected to one of the antennas (10), and a receiver (16) being connected to another of the antennas (10), injecting an electromagnetic pulse into one of the antennas (10), wherein the pulse gradually leaks out, and wherein if a speed of propagation in the line in which the pulse is injected is faster than a speed of propagation in the ground, a shock wave is transmitted through the ground, called a transmitted signal, and received as a received signal at another of the antennas (10), and wherein an underground anomaly diffracts the shock wave, resulting in a detectable disturbance in the received signal, and locating the anomaly as a function of a time delay of the disturbance relative to the transmitted signal.
    • 一种用于检测地下异常的方法,包括设置在形成在地面上的钻孔(12)中的泄漏传输线的分布式天线系统(10),连接到天线(10)之一的发射机(14) ,并且接收器(16)连接到另一个天线(10),将电磁脉冲注入到天线(10)之一中,其中脉冲逐渐泄漏出来,并且其中如果在其中的传播速度 喷射的脉冲比地面中的传播速度快,冲击波通过地面传输,被称为发射信号,并在另一个天线(10)作为接收信号接收,其中地下异常衍射 冲击波,导致接收信号中的可检测的干扰,并且将异常定位为干扰相对于发射信号的时间延迟的函数。
    • 8. 发明申请
    • METHOD & SYSTEM FOR DETECTING NITROGENOUS MATERIALS VIA GAMMA-RESONANCE ABSORPTION (GRA)
    • 通过伽马共振吸收(GRA)检测硝酸材料的方法和系统
    • WO2008050327A3
    • 2008-07-03
    • PCT/IL2007001275
    • 2007-10-24
    • SOREQ NUCLEAR RES CTGOLDBERG MARKVARTSKY DAVID
    • GOLDBERG MARKVARTSKY DAVID
    • G01N23/06G01V5/00
    • G01N23/066G01N2223/1013G01N2223/204G01N2223/643G01N2223/66
    • A method for detecting nitrogenous materials within an object by means of Gamma-Resonance Absorption (GRA), including placing on one side of an object a target containing 13C for bombardment with a proton beam of approximately 1.75 MeV energy, to produce a source of 9.172 MeV gamma-rays for scanning the object, reading from the gamma-ray detector the total and the non-resonant attenuations of the incident photon flux, and deriving from the attenuations the net resonant attenuation and the spatial distribution thereof; wherein scanning the object includes: I. performing a rapid pre-scan to classify the overall gamma-ray-attenuation regime and locate regions of high physical density, in which longer scanning times might be required; II. performing a full scan to identify and locate regions that contain nitrogenous materials; and III. performing a plurality of scans in same or different segments to establish presence of explosives.
    • 通过伽马共振吸收(GRA)检测物体内的含氮物质的方法,包括将物体的一侧放置在含有13C的靶上,用约1.75MeV能量的质子束进行轰击以产生9.172的来源 用于扫描物体的MeV伽马射线,从伽马射线检测器读取入射光子通量的总和非共振衰减,并从衰减得出净谐振衰减及其空间分布; 其中扫描对象包括:I.执行快速预扫描以分类总体伽马射线衰减状态并定位高物理密度的区域,其中可能需要更长的扫描时间; II。 执行全面扫描以识别和定位含有含氮材料的区域; 和III。 在相同或不同的段执行多个扫描以建立爆炸物的存在。