JPS61118648A - 核磁気共鳴装置 - Google Patents

核磁気共鳴装置

Info

Publication number
JPS61118648A
JPS61118648A JP59239945A JP23994584A JPS61118648A JP S61118648 A JPS61118648 A JP S61118648A JP 59239945 A JP59239945 A JP 59239945A JP 23994584 A JP23994584 A JP 23994584A JP S61118648 A JPS61118648 A JP S61118648A
Authority
JP
Japan
Prior art keywords
pulse
signal
pulse width
frequency
magnetic resonance
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP59239945A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0324991B2 (enrdf_load_html_response
Inventor
Yutaka Fukushima
裕 福島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jeol Ltd
Original Assignee
Jeol Ltd
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 Jeol Ltd filed Critical Jeol Ltd
Priority to JP59239945A priority Critical patent/JPS61118648A/ja
Publication of JPS61118648A publication Critical patent/JPS61118648A/ja
Publication of JPH0324991B2 publication Critical patent/JPH0324991B2/ja
Granted legal-status Critical Current

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]
    • G01R33/48—NMR imaging systems
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency
    • 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
    • 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]
    • G01R33/46—NMR spectroscopy
    • G01R33/4616—NMR spectroscopy using specific RF pulses or specific modulation schemes, e.g. stochastic excitation, adiabatic RF pulses, composite pulses, binomial pulses, Shinnar-le-Roux pulses, spectrally selective pulses not being used for spatial selection
    • 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]
    • G01R33/48—NMR imaging systems
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP59239945A 1984-11-14 1984-11-14 核磁気共鳴装置 Granted JPS61118648A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59239945A JPS61118648A (ja) 1984-11-14 1984-11-14 核磁気共鳴装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59239945A JPS61118648A (ja) 1984-11-14 1984-11-14 核磁気共鳴装置

Publications (2)

Publication Number Publication Date
JPS61118648A true JPS61118648A (ja) 1986-06-05
JPH0324991B2 JPH0324991B2 (enrdf_load_html_response) 1991-04-04

Family

ID=17052158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59239945A Granted JPS61118648A (ja) 1984-11-14 1984-11-14 核磁気共鳴装置

Country Status (1)

Country Link
JP (1) JPS61118648A (enrdf_load_html_response)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009928A1 (fr) * 1986-04-15 1988-12-15 Thomson-Cgr Procede de calibration d'une excitation radiofrequence en experimentation rmn
JPH01503361A (ja) * 1987-06-02 1989-11-16 ジエネラル　エレクトリツク　セージェーエール　エス．アー． Ｎｍｒの測定におけるラジオ周波数励起の較正装置
US6812699B2 (en) * 2002-03-12 2004-11-02 Ge Medical Systems Global Technology Company, Llc Systems and methods for tuning an RF pulse by changing a pulse width of the RF pulse
CN107561113A (zh) * 2017-09-27 2018-01-09 中国科学院电工研究所无锡分所 核磁共振岩心分析仪自动搜索90度射频脉冲宽度的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126829A (enrdf_load_html_response) * 1974-05-06 1976-03-05 Burmah Oil Trading Ltd
JPS58196447A (ja) * 1982-05-12 1983-11-15 Hitachi Ltd 核磁気共鳴装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126829A (enrdf_load_html_response) * 1974-05-06 1976-03-05 Burmah Oil Trading Ltd
JPS58196447A (ja) * 1982-05-12 1983-11-15 Hitachi Ltd 核磁気共鳴装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009928A1 (fr) * 1986-04-15 1988-12-15 Thomson-Cgr Procede de calibration d'une excitation radiofrequence en experimentation rmn
JPH01503361A (ja) * 1987-06-02 1989-11-16 ジエネラル　エレクトリツク　セージェーエール　エス．アー． Ｎｍｒの測定におけるラジオ周波数励起の較正装置
US6812699B2 (en) * 2002-03-12 2004-11-02 Ge Medical Systems Global Technology Company, Llc Systems and methods for tuning an RF pulse by changing a pulse width of the RF pulse
CN107561113A (zh) * 2017-09-27 2018-01-09 中国科学院电工研究所无锡分所 核磁共振岩心分析仪自动搜索90度射频脉冲宽度的方法

Also Published As

Publication number Publication date
JPH0324991B2 (enrdf_load_html_response) 1991-04-04

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