After reading this chapter, you should be able:After reading this chapter, you should be able:After reading this chapter, you should be able:
- To explain the effect of bipolar gradients on the magnetic field, precession frequency and spin phase
- List the stages of spatial encoding in 2D and 3D imaging
- Describe the principle of a selective RF pulse
- Explain the relationship between amplitude, gradient application time and dephasing
- Present the similarities and differences between frequency spatial encoding and phase encoding
- List the advantages and disadvantages of 3D imaging
- Look at the relationship between spatial encoding and the notion of spatial frequency
Summary