{
  "cells": [
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "%matplotlib inline"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "\n# Linear Frequency and Gaussian Amplitude Modulation\n\nGenerate a mono-component nonstationary signal with linear frequency\nmodulation and Gaussian amplitude modulation.\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "from tftb.generators import fmlin, amgauss\nfrom numpy import real\nimport matplotlib.pyplot as plt\n\n\nfm, _ = fmlin(256)\nam = amgauss(256)\nsignal = fm * am\nplt.plot(real(signal))\nplt.xlabel('Time')\nplt.ylabel('Real part')\nplt.title('Linear Frequency, Gaussian Amplitude')\nplt.xlim(0, 256)\nplt.grid()\nplt.show()"
      ]
    }
  ],
  "metadata": {
    "kernelspec": {
      "display_name": "Python 3",
      "language": "python",
      "name": "python3"
    },
    "language_info": {
      "codemirror_mode": {
        "name": "ipython",
        "version": 3
      },
      "file_extension": ".py",
      "mimetype": "text/x-python",
      "name": "python",
      "nbconvert_exporter": "python",
      "pygments_lexer": "ipython3",
      "version": "3.7.9"
    }
  },
  "nbformat": 4,
  "nbformat_minor": 0
}