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Everything about Linear phase

Filter whose phase response is proportional to frequency

In signal processing, linear phase is a property of a filter where the phase response of the filter is a linear function of frequency. The result is that all frequency components of the input signal are shifted in time by the same constant amount, which is referred to as the group delay. Consequently, there is no phase distortion due to the time delay of frequencies relative to one another. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Linear phaseA 5-minute orientation
  2. Skim a recent paper: Regularity for Double Phase Problems at Nearly Linear GrowthInfluential work since 2022
  3. Pick up a classic book: Data Converters, Phase-Locked Loops, and Their ApplicationsThe most-reprinted book on the subject
  4. Read the landmark paper: Variable cutoff linear phase digital filtersCited 97 times
  5. Go sideways: Finite impulse responseA closely related topic
  6. Go sideways: Causal filterA closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

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