What about a distribution of Spins (real world)?

• If you apply linear gradient to uniform distribution of spins won't get simple beating pattern. What do you expect?(IN-CLASS QUESTION)

  
  
  
  
  
  
  
  

• Sequence Diagram and graphics describing the imaging a uniform cylinder
  
  

• If only apply positive gradient after excitation, start from $k=0$ and move in one direction in k-space