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Overview of FIR and IIR Filters

February 8, 2019 by 3200 Creative

One of the first choices faced by the filter designer is whether to use a finite impulse response (FIR) or infinite impulse response (IIR) filter. In this lesson you will learn the defining characteristics of FIR and IIR filters. Understanding the distinctions between these classes of filter will enable you to successfully choose the right filter type for your filtering application.

Prerequisites

  • Characterizing Filter Phase Response
  • Difference Equation System Descriptions

Key Concepts and Screenshots

Concepts and Screenshots for Overview of FIR and IIR Filters

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Overview of FIR and IIR Filters


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Course Lessons

  • Introduction to Frequency Selective Filtering

  • Characterizing Filter Phase Response

  • Zero Phase Filtering

  • Overview of FIR and IIR Filters

Courses

  • Foundations

  • Time Domain LTI Systems

  • Fourier Series and Transforms

  • Sampling and Reconstruction

  • The DFT and Applications

  • The Z-Transform

  • Intro to Filter Design

  • IIR Filter Design

  • FIR Filter Design

  • Random Signal Characterization

  • Basis Representations of Signals

  • Estimation of Power Spectra and Coherence

  • Introduction to Signal Estimation and Detection Theory

  • MMSE Filtering and Least-Squares Problems

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