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21 Cards in this Set
- Front
- Back
If nex/nsa is increased or decreased what happens to SNR and RESOLUTION ?
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SNR and RESOLUTION follow whatever NEX/NSA does. i.e. if nex is increased; snr and resolution both increase. If nex decreases so does snr and resolution.
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TR INCREASE = SNR ______?
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INCREASES
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TR DECREASES = SRN _____?
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DECREASES
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TE INCRESES = SNR _____?
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DECREASES
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TE DECREASES = SNR ____?
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INCREASES
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IF FOV INCREASES = SNR ____?
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INCREASES
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IF FOV DECREASES = SNR ___?
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DECREASES
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IF THE MATRIX INCREASES = SNR ___?
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DECREASES
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IF MATRIX DECREASES = SNR ____?
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INCREASES
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THE ONLY PARAMETER THAT CHANGES BOTH SNR AND RESOLUTION IN THE SAME DIRECTION IS ?
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NEX -(THE NUMBER OF EXCITATION'S.)
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IF SLICE THICKNESS INCREASES = SNR ____?
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INCREASES
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IF SLICE THICKNESS DECREASES = SNR ____?
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DECREASES
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IF THE RECIEVED BANDWIDTH INCREASES = SNR _____?
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DECREASES
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IF THE RECIEVED BANDWIDTH DECREASES = SNR _____?
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INCREASES
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SNR AND RESOLUTION ARE OPPOSITE FOR EVERY CHANGE IN PARAMETER EXCEPT WHEN CHANGING THE NEX/NSA. T or F ?
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TRUE
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If the SNR goes UP OR DOWN ; THE RESOLUTION GOES 1. ________; THE ONLY EXCEPTION IS FOR NEX CHANGES.
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1. IN THE OPPOSITE WAY.
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CHANGING THE NEX IS THE ONLY PARAMETER THAT CHANGES THE SNR AND RESOLUTION IN THE SAME DIRECTION. TRUE OR FALSE?
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TRUE
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SNR INCREASE = RESOLUTION ____?
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DECREASE
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SNR DECREASE = RESOLUTION _____?
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INCREASE
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NEX INCREASE = BOTH SNR AND RESOLUTION ____?
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INCREASE
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NEX DECREASE = BOTH SNR AND RESOLUTION
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DECREASE.
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