AR041716A1 - Un conjunto sensor y un metodo para la deteccion de sustancias, por resonancia cuadrupolar nuclear (rcn) y en presencia de interferencia ambiental - Google Patents

Un conjunto sensor y un metodo para la deteccion de sustancias, por resonancia cuadrupolar nuclear (rcn) y en presencia de interferencia ambiental

Info

Publication number
AR041716A1
AR041716A1 ARP030103887A ARP030103887A AR041716A1 AR 041716 A1 AR041716 A1 AR 041716A1 AR P030103887 A ARP030103887 A AR P030103887A AR P030103887 A ARP030103887 A AR P030103887A AR 041716 A1 AR041716 A1 AR 041716A1
Authority
AR
Argentina
Prior art keywords
adder
offset
output
outputs
rcn
Prior art date
Application number
ARP030103887A
Other languages
English (en)
Inventor
Pusiol Daniel J Dr
Original Assignee
Spinlock S R L
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Spinlock S R L filed Critical Spinlock S R L
Priority to ARP030103887A priority Critical patent/AR041716A1/es
Priority to BR0404619-6A priority patent/BRPI0404619A/pt
Priority to EP04292511A priority patent/EP1526386A1/en
Priority to US10/972,876 priority patent/US7292033B2/en
Publication of AR041716A1 publication Critical patent/AR041716A1/es

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/441—Nuclear Quadrupole Resonance [NQR] Spectroscopy and Imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
    • G01N24/084—Detection of potentially hazardous samples, e.g. toxic samples, explosives, drugs, firearms, weapons

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

Un conjunto sensor para la detección de sustancias por resonancia cuadrupolar nuclear (RCN) y en presencia de interferencia ambiental, comprendiendo dicho conjunto sensor: un transmisor Tx, que comprende medios de excitación que generan senales de excitación, una llave de conmutación conectada a la salida de dicho transmisor Tx; un primer divisor/sumador de senal con desfasaje, conectado a la salida de dicha llave Tx/Rx; primeros y segundos elementos sensores, conectados a las salidas respectivas de dicho primer divisor/sumador de senal con desfasaje; primeros y segundos circuitos de acople, preferentemente de modo común, conectados a la salida de dichos primeros y segundos elementos sensores respectivamente; primeros y segundos amplificadores conectados a las salidas de dichos primeros y segundos circuitos de acople respectivamente; primeros y segundos filtros pasa-banda conectados a las salidas de dichos primero y segundo amplificadores respectivamente; un segundo divisor/sumador de senal con desfasaje conectado a las salidas de dichos primero y segundo filtros pasa-banda respectivamente; y un receptor Rx conectado a la salida de dicho segundo divisor/sumador de senal con desfasaje. También se divulga el método asociado al conjunto sensor.
ARP030103887A 2003-10-24 2003-10-24 Un conjunto sensor y un metodo para la deteccion de sustancias, por resonancia cuadrupolar nuclear (rcn) y en presencia de interferencia ambiental AR041716A1 (es)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ARP030103887A AR041716A1 (es) 2003-10-24 2003-10-24 Un conjunto sensor y un metodo para la deteccion de sustancias, por resonancia cuadrupolar nuclear (rcn) y en presencia de interferencia ambiental
BR0404619-6A BRPI0404619A (pt) 2003-10-24 2004-10-22 Conjunto sensor para a detecção de substâncias por ressonância quadrupolar nuclear e em presença de interferência ambiental e método para a detecção por ressonância quadrupolar nuclear e em presença de interferência ambiental, de substâncias proibidas ocultas.
EP04292511A EP1526386A1 (en) 2003-10-24 2004-10-22 Sensor assembly for the detection of substances by nuclear quadrupole resonance (NQR) in the presence of environmental interference
US10/972,876 US7292033B2 (en) 2003-10-24 2004-10-25 Sensor assembly and method for the detection of substances by nuclear quadrupolar resonance (NQR) and in presence of environmental interference

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ARP030103887A AR041716A1 (es) 2003-10-24 2003-10-24 Un conjunto sensor y un metodo para la deteccion de sustancias, por resonancia cuadrupolar nuclear (rcn) y en presencia de interferencia ambiental

Publications (1)

Publication Number Publication Date
AR041716A1 true AR041716A1 (es) 2005-05-26

Family

ID=34382386

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030103887A AR041716A1 (es) 2003-10-24 2003-10-24 Un conjunto sensor y un metodo para la deteccion de sustancias, por resonancia cuadrupolar nuclear (rcn) y en presencia de interferencia ambiental

Country Status (4)

Country Link
US (1) US7292033B2 (es)
EP (1) EP1526386A1 (es)
AR (1) AR041716A1 (es)
BR (1) BRPI0404619A (es)

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Publication number Priority date Publication date Assignee Title
US7365536B2 (en) * 2005-05-10 2008-04-29 General Electric Company Passively shielded inductive sensor system for personnel screening
GB0602229D0 (en) * 2006-02-03 2006-03-15 Univ Sussex Electrical potential sensor for use in the detection of nuclear magnetic resonance signals
US7397239B2 (en) * 2006-07-11 2008-07-08 Ge Security, Inc. Passenger screening system and method
US7327137B1 (en) * 2006-11-14 2008-02-05 Ge Homeland Protection, Inc. Apparatus and method for non-symmetric magnetic field balancing in an inspection scanner
WO2008156535A2 (en) * 2007-05-18 2008-12-24 The Government Of The United States Of America, Asrepresented By The Secretary Of The Navy Naval Research Laboratory Cancellation of ringing artifacts and far field interference in nuclear quadrupole resonance
US7750631B2 (en) 2007-06-22 2010-07-06 Morpho Detection, Inc. Passenger inspection system and methods for using the same
AU2008284170A1 (en) * 2007-08-09 2009-02-12 Morpho Detection, Inc. Method using composite preparation pulse for NQR testing of samples in inhomogenous RF magnetic fields
JP5288462B2 (ja) * 2008-10-06 2013-09-11 国立大学法人大阪大学 爆発物、不正薬物検査装置、アンテナコイルおよび爆発物、不正薬物検査方法
US8773127B2 (en) * 2010-01-29 2014-07-08 R.A. Miller Industries, Inc. Transmission line array for explosive detection using nuclear quadrupole resonance
US8742753B2 (en) * 2010-01-29 2014-06-03 R.A. Miller Industries, Inc. Method and apparatus for sensing the presence of explosives, contraband and other molecules using nuclear quadrupole resonance
US8674697B2 (en) * 2010-01-29 2014-03-18 R.A. Miller Industries, Inc. Long distance explosive detection using nuclear quadrupole resonance and one or more monopoles
US9476953B1 (en) 2012-08-24 2016-10-25 Bae Systems Information And Electronic Systems Integration Inc. Nuclear quadrupole resonance system
US9575147B2 (en) 2012-09-07 2017-02-21 Morpho Detection, Llc Nuclear quadrupole resonance system and method of using the same to remove interference components from sensor signals
US9715012B2 (en) * 2013-04-25 2017-07-25 Battelle Memorial Institute Footwear scanning systems and methods
US20140340217A1 (en) * 2013-05-15 2014-11-20 Collar ID, LLC Apparatus and methods for sensing a parameter with a restraint device
US11520069B2 (en) 2020-04-20 2022-12-06 Battelle Memorial Institute Footwear scanning systems and methods

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763074A (en) * 1987-04-01 1988-08-09 Kabushiki Kaisha Toshiba Automatic tuning circuit for magnetic resonance quadrature antenna system
US5280246A (en) * 1990-11-16 1994-01-18 Hitachi, Ltd. Nuclear magnetic resonance apparatus
GB9112290D0 (en) * 1991-06-07 1991-07-24 Nat Res Dev Methods and apparatus for nqr imaging
US5510714A (en) * 1991-08-09 1996-04-23 Hitachi, Ltd. Magnetic resonance imaging apparatus and RF coil employed therein
JP3828573B2 (ja) * 1994-09-29 2006-10-04 ビーティージー・インターナショナル・リミテッド 核四極子共鳴テスト法および核四極子共鳴テスト装置を構成する方法
GB9622183D0 (en) * 1996-10-25 1996-12-18 British Tech Group Magnetic resonance apparatus having reduced dead time
US6252461B1 (en) * 1997-08-25 2001-06-26 Frederick Herbert Raab Technique for wideband operation of power amplifiers
EP1060403B1 (en) * 1998-03-06 2007-07-11 BTG INTERNATIONAL LIMITED (Company No. 2664412) Apparatus for and method of nuclear quadrupole resonance testing a sample in the presence of interference
US6054856A (en) * 1998-04-01 2000-04-25 The United States Of America As Represented By The Secretary Of The Navy Magnetic resonance detection coil that is immune to environmental noise
US6914432B2 (en) * 2003-06-23 2005-07-05 General Electric Company Phased array coil assembly and method and system for employing the same

Also Published As

Publication number Publication date
US20050116716A1 (en) 2005-06-02
EP1526386A1 (en) 2005-04-27
US7292033B2 (en) 2007-11-06
BRPI0404619A (pt) 2005-06-21

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