Filters Preserving Phase

In this chapter, linear phase and zero phase filters are defined and discussed.

• Linear-Phase Filters
• Zero-Phase Filters
  • -Phase Filters
  • Phase in the Stopband
  • Example Zero-Phase Filter Design
  • Elementary Zero-Phase Filter Examples
  
  
• Odd Impulse Reponses
• Symmetric Linear-Phase Filters
  • Simple Linear-Phase Filter Examples
  • Software for Linear-Phase Filter Design
  
  
• Antisymmetric Linear-Phase Filters
• Forward-Backward Filtering
• Phase Distortion at Passband Edges