G
PHYSICS
G
PHYSICS
G01
MEASURING; TESTING
G01
MEASURING; TESTING
G01R
MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R
MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R33/00
Arrangements or instruments for measuring magnetic variables
G01R33/00
Arrangements or instruments for measuring magnetic variables
G01R33/20
involving magnetic resonance
G01R33/20
involving magnetic resonance
G01R33/44
using nuclear magnetic resonance [NMR]
G01R33/44
using nuclear magnetic resonance [NMR]
G01R33/48
NMR imaging systems
G01R33/48
NMR imaging systems
G01R33/54
Signal processing systems, e.g. using pulse sequences; ; Generation or control of pulse sequences; Operator console
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
G01R33/56
Image enhancement or correction, e.g. subtraction or averaging techniques; , e.g. improvement of signal-to-noise ratio and resolution
G01R33/561
by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
G01R33/561
by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
G01R33/5615
Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
G01R33/5615
Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]