JPS6151581A - 空間磁場分布測定方法 - Google Patents

空間磁場分布測定方法

Info

Publication number
JPS6151581A
JPS6151581A JP59173898A JP17389884A JPS6151581A JP S6151581 A JPS6151581 A JP S6151581A JP 59173898 A JP59173898 A JP 59173898A JP 17389884 A JP17389884 A JP 17389884A JP S6151581 A JPS6151581 A JP S6151581A
Authority
JP
Japan
Prior art keywords
magnetic field
distribution
pulse
spatial
spins
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
JP59173898A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0252499B2 (cs
Inventor
Hiroyuki Matsuura
裕之 松浦
Kazuya Hoshino
星野　和哉
Eiji Yoshitome
吉留　英二
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.)
GE Healthcare Japan Corp
Yokogawa Electric Corp
Original Assignee
Yokogawa Medical Systems Ltd
Yokogawa Hokushin Electric Corp
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 Yokogawa Medical Systems Ltd, Yokogawa Hokushin Electric Corp filed Critical Yokogawa Medical Systems Ltd
Priority to JP59173898A priority Critical patent/JPS6151581A/ja
Publication of JPS6151581A publication Critical patent/JPS6151581A/ja
Publication of JPH0252499B2 publication Critical patent/JPH0252499B2/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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • 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
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP59173898A 1984-08-20 1984-08-20 空間磁場分布測定方法 Granted JPS6151581A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59173898A JPS6151581A (ja) 1984-08-20 1984-08-20 空間磁場分布測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59173898A JPS6151581A (ja) 1984-08-20 1984-08-20 空間磁場分布測定方法

Publications (2)

Publication Number Publication Date
JPS6151581A true JPS6151581A (ja) 1986-03-14
JPH0252499B2 JPH0252499B2 (cs) 1990-11-13

Family

ID=15969128

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59173898A Granted JPS6151581A (ja) 1984-08-20 1984-08-20 空間磁場分布測定方法

Country Status (1)

Country Link
JP (1) JPS6151581A (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63206232A (ja) * 1987-02-20 1988-08-25 フオスフオ−エナジエテイツクス・インコ−ポレイテツド Ｎｍｒ装置用自動補正方法および装置
JPS63259481A (ja) * 1987-04-16 1988-10-26 Mitsubishi Electric Corp Ｎｍｒ検査装置の静磁場強度分布測定方法
JPH02177940A (ja) * 1988-12-29 1990-07-11 Yokogawa Medical Syst Ltd 核磁気共鳴装置
JPH04117608U (ja) * 1991-04-04 1992-10-21 横河メデイカルシステム株式会社 Ｍｒイメージング装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63206232A (ja) * 1987-02-20 1988-08-25 フオスフオ−エナジエテイツクス・インコ−ポレイテツド Ｎｍｒ装置用自動補正方法および装置
JPS63259481A (ja) * 1987-04-16 1988-10-26 Mitsubishi Electric Corp Ｎｍｒ検査装置の静磁場強度分布測定方法
JPH02177940A (ja) * 1988-12-29 1990-07-11 Yokogawa Medical Syst Ltd 核磁気共鳴装置
JPH04117608U (ja) * 1991-04-04 1992-10-21 横河メデイカルシステム株式会社 Ｍｒイメージング装置

Also Published As

Publication number Publication date
JPH0252499B2 (cs) 1990-11-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term