JPH0451170B2 - - Google Patents
Info
- Publication number
- JPH0451170B2 JPH0451170B2 JP59225295A JP22529584A JPH0451170B2 JP H0451170 B2 JPH0451170 B2 JP H0451170B2 JP 59225295 A JP59225295 A JP 59225295A JP 22529584 A JP22529584 A JP 22529584A JP H0451170 B2 JPH0451170 B2 JP H0451170B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- magnetic field
- gradient magnetic
- applying
- subject
- 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 29
- 230000005284 excitation Effects 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 4
- 230000005415 magnetization Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 17
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 13
- 238000001514 detection method Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002075 inversion recovery Methods 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 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 |
|---|---|---|---|
| JP59225295A JPS60166850A (ja) | 1984-10-26 | 1984-10-26 | Ｎｍｒ画像装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225295A JPS60166850A (ja) | 1984-10-26 | 1984-10-26 | Ｎｍｒ画像装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58190581A Division JPS6082841A (ja) | 1983-10-12 | 1983-10-12 | 核磁気共鳴による検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60166850A JPS60166850A (ja) | 1985-08-30 |
| JPH0451170B2 true JPH0451170B2 (zh) | 1992-08-18 |
Family
ID=16827094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59225295A Granted JPS60166850A (ja) | 1984-10-26 | 1984-10-26 | Ｎｍｒ画像装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60166850A (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6354155A (ja) * | 1986-08-25 | 1988-03-08 | 旭化成株式会社 | 核磁気共鳴情報を得る方法 |
-
1984
- 1984-10-26 JP JP59225295A patent/JPS60166850A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60166850A (ja) | 1985-08-30 |
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