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TOOLS
» Time Constants

An understanding of time constants allows easier understanding of MRI signal equations. This tool allows you to build up the equations describing the change of magnetisation in basic pulse sequences.

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Time Constant Tool: Mz = 1 - 2·exp(-t/2500)

Longitudinal recovery after inversion with T1 = 2500 ms.

1_2exp_t2500

This is is end of the Time Constant Tool. You may wish to return to the list of learning tools.

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  1. 1 - 2·exp (-t/100)
  2. 1 - 2·exp (-t/400)
  3. 1 - 2·exp (-t/800)
  4. 1 - 2·exp (-t/1500)
  5. 1 - 2·exp (-t/2500)

Other sections of this tool:

Remember, T1, T2 and T2* are time constants.

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(This page: http://www.revisemri.com/tools/timeconst/1_2exp_t2500)