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The Short Time Fourier Transform and the Spectrogram

February 2, 2019 by 3200 Creative

The Short Time Fourier Transform and the Spectrogram

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  1. Question 1 of 3
    1. Question

    Select the purpose of the short-time Fourier transform (STFT).

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  2. Question 2 of 3
    2. Question

    Which of the following statements describe the method for computing the short-time Fourier transform of a signal with N samples?

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  3. Question 3 of 3
    3. Question

    What factors should be considered in choosing the segment length L when computing the short-time Fourier transform?

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  • Discrete Fourier Transform: Sampling the Discrete-Time Fourier Transform

  • Important Discrete Fourier Transform Properties

  • Fast Fourier Transform (FFT) Algorithm

  • Introduction to Circular Convolution and Filtering with the Discrete Fourier Transform

  • Circular Convolution Property of the Discrete Fourier Transform

  • Filtering with the Discrete Fourier Transform

  • The Discrete Fourier Transform Approximation to the Fourier Transform

  • The Effect of Windowing on the Discrete Fourier Transform Approximation to the Fourier Transform

  • Windows and the Discrete-Time Fourier Transform: Trading Resolution for Dynamic Range

  • An Example of Approximating the Fourier Transform with the Discrete Fourier Transform

  • Jupyter Notebook: Explore the Windowed DFT

  • The Short-Time Fourier Transform and the Spectrogram

  • Jupyter Notebook: Explore the Spectrogram

  • A Matrix Interpretation of the Discrete Fourier Transform

  • A Matrix Interpretation of the Fast Fourier Transform Algorithm

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  • Random Signal Characterization

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  • Introduction to Signal Estimation and Detection Theory

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