Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1983-11-14
1986-06-17
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324306, G01R 3324
Patent
active
045958793
ABSTRACT:
The effects of particle motion or flow within a sample may be measured by applying a motion-encoding gradient to the sample, along with spatial encoding gradients. The motion-encoding gradient applies two gradient fields of respective opposite sense to the spins of the sample so as to encode motion as a net phase component resulting from the two fields. Two image data sequences, one with motion encoding and one without, may be compared to measure the effects of motion, or a plurality of image data sequences may be taken, each with a different value motion-encoding gradient. A Fourier transformation performed on the sequence data in the latter case with respect to the variation in the motion-encoding gradient pulses will yield a plurality of images, each representing the amount of material which exhibits a different velocity.
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Compton Russell A.
Hinshaw Waldo S.
Lent Arnold H.
Brinton Yorks, Jr. W.
Eisenzopf Reinhard J.
Peterkin G.
Technicare Corporation
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