JPH0245449B2 - - Google Patents
Info
- Publication number
- JPH0245449B2 JPH0245449B2 JP59011594A JP1159484A JPH0245449B2 JP H0245449 B2 JPH0245449 B2 JP H0245449B2 JP 59011594 A JP59011594 A JP 59011594A JP 1159484 A JP1159484 A JP 1159484A JP H0245449 B2 JPH0245449 B2 JP H0245449B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- magnetic resonance
- nuclear magnetic
- applying
- magnetic field
- 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.)
- Expired - Lifetime
Links
- 238000005481 NMR spectroscopy Methods 0.000 claims description 49
- 230000005291 magnetic effect Effects 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 29
- 238000007689 inspection Methods 0.000 claims description 9
- 230000005284 excitation Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000002075 inversion recovery Methods 0.000 claims description 2
- 230000015654 memory Effects 0.000 description 26
- 238000010586 diagram Methods 0.000 description 17
- 230000005415 magnetization Effects 0.000 description 11
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 9
- 230000003068 static effect Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000012935 Averaging Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 125000001153 fluoro group Chemical class F* 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 150000003385 sodium Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G01R33/54—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
- G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
Landscapes
- 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)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59011594A JPS60155948A (ja) | 1984-01-25 | 1984-01-25 | 核磁気共鳴による検査方法及びその装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59011594A JPS60155948A (ja) | 1984-01-25 | 1984-01-25 | 核磁気共鳴による検査方法及びその装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60155948A JPS60155948A (ja) | 1985-08-16 |
JPH0245449B2 true JPH0245449B2 (xx) | 1990-10-09 |
Family
ID=11782230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59011594A Granted JPS60155948A (ja) | 1984-01-25 | 1984-01-25 | 核磁気共鳴による検査方法及びその装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60155948A (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5629624A (en) * | 1990-06-29 | 1997-05-13 | The Regents Of The University Of California | Switched field magnetic resonance imaging |
-
1984
- 1984-01-25 JP JP59011594A patent/JPS60155948A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60155948A (ja) | 1985-08-16 |
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