Time domain filtering for nmr phased array imaging

Details Time domain filtering for nmr phased array imaging Time domain filtering for nmr phased array imaging

G - Physics

01

N

G01N 24/08 (2006.01) G01R 33/3415 (2006.01) G01R 33/56 (2006.01)

Patent

CA 2042276

TIME DOMAIN FILTERING FOR NMR PHASED ARRAY IMAGING A method and apparatus for combining NMR response data of a sample from a plurality of closely spaced RF receiver coils of an NMR phased array in the time domain to form a composite NMR image wherein each of the RF receiver coils receives a different respective one of a plurality of NMR response signals, each of which is evoked from a portion of the sample within a field of view of a respective one of the receiver coils. The response signals are conditioned to develop a plurality of data point signals corresponding to the magnitude of each of the respective response signals from each of the receiver coils at successive time intervals. The data point signals are convolved by a time domain representation of a field map of the respective one of the receiver coils generating the corresponding one of the response signals. The convolved signals are combined on a time domain point-by-point basis to produce a time domain representation of the composite NMR image of the sample.

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