physics_based_augmentation/seqgen/MRI_sequences/py2jemris/sim/epi.xml

<?xml version="1.0" encoding="utf-8"?>
<Parameters FOVx="256" FOVy="256" GradMaxAmpl="2" GradSlewRate="10" Name="P" Nx="64" Ny="64" TE="50" TR="100">
   <ConcatSequence Name="C1">
      <AtomicSequence Name="A1">
         <HARDRFPULSE Axis="RF" Duration="0.1" FlipAngle="90" Name="P1"/>
      </AtomicSequence>
      <AtomicSequence Name="A2">
         <TrapGradPulse Area="-0.5*abs(A)" Axis="GX" Name="P2" Observe="A=P4.Area"/>
         <TrapGradPulse Area="KMY" Axis="GY" Name="P3" Observe="KMY=P.KMAXy"/>
      </AtomicSequence>
      <DelayAtomicSequence Delay="TE" DelayType="C2C" Name="D1" Observe="TE=P.TE" StartSeq="A1" StopSeq="C2"/>
      <ConcatSequence Name="C2" Observe="NY=P.Ny" Repetitions="NY">
         <AtomicSequence Name="A3">
            <TrapGradPulse ADCs="NX" Axis="GX" FlatTopArea="2*KMX*(-1)^C" FlatTopTime="1" Name="P4" Observe="KMX=P.KMAXx, C=C2.Counter, NX=P.Nx"/>
         </AtomicSequence>
         <AtomicSequence Name="A4">
            <TrapGradPulse Area="ite(1+C,R,0,-DKY)" Axis="GY" Name="P5" Observe="DKY=P.DKy, C=C2.Counter, R=C2.Repetitions"/>
         </AtomicSequence>
      </ConcatSequence>
      <DelayAtomicSequence Delay="TR" DelayType="B2E" Name="D2" Observe="TR=P.TR" StartSeq="A1"/>
   </ConcatSequence>
</Parameters>