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Intro to Filter Design

Introduction to Frequency Selective Filtering

August 10, 2019 by

Filtering signals based on their frequency content is a very widely used signal processing method. This lesson will teach you the terminology used in the design of frequency selective filters and lays the foundation for learning design methodologies. You will also gain appreciation for the practical limitations on filter frequency response.

Characterizing Filter Phase Response

August 10, 2019 by

In this lesson you will learn the metrics used to characterize the phase response of filters. Phase response plays an important role in determining the distortion introduced by a filter. You will learn how group delay is used to characterize phase distortion. Understanding the impact of filter phase is an important skill to develop for […]

Zero Phase Filtering

August 10, 2019 by

A zero-phase filter introduces no phase distortion. In this lesson you will learn the conditions under which zero phase filtering is possible, how to obtain a zero-phase filter from an arbitrary filter, and the consequences of zero phase filtering. Understanding these concepts is critical for the proper application of zero-phase filters.

Overview of FIR and IIR Filters

August 10, 2019 by

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 […]

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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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