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    {
      "cell_type": "code",
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      "source": [
        "%matplotlib inline"
      ]
    },
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      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "\n# Wigner-Ville distribution of a Chirp\n\nThis example shows the wireframe plot of the Wigner-Ville distribution of a\nchirp. The WV distribution can take negative values, and has almost perfect\nlocalization in the time-frequency plane.\n\nFigure 4.1 from the tutorial.\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "from tftb.generators import fmlin\nfrom tftb.processing import WignerVilleDistribution\n\nsig = fmlin(256)[0]\ntfr = WignerVilleDistribution(sig)\ntfr.run()\ntfr.plot(threshold=0.0, kind='wireframe')"
      ]
    }
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