{ "metadata": { "name": "", "signature": "sha256:41db786e06a01c332ebd11f188e721e6640c124416532b39896420ba483ab6cd" }, "nbformat": 3, "nbformat_minor": 0, "worksheets": [ { "cells": [ { "cell_type": "heading", "level": 1, "metadata": {}, "source": [ "Chapter 5: Pulse Modulation Techniques " ] }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 5.1, page no. 107" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "# Variable Declaration\n", "F_m = 4.00*pow(10,3) # Maximum Frequency Component in Message Signal (Hz)\n", "\n", "# Calculation\n", "import math # Math Library\n", "F_s = 2*F_m\t # Minimum Sampling Frequency using Sampling Theorem (Hz)\n", "\n", "# Result\n", "print \"F_s >=(greater than or equal to)\",F_s/pow(10,3),\"kHz\"" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "F_s >=(greater than or equal to) 8.0 kHz\n" ] } ], "prompt_number": 1 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 5.2, page no. 107" ] }, { "cell_type": "code", "collapsed": false, "input": [ "\n", "# Variable Declaration\n", "F1 = 500 # Single Tone Sine Wave Frequency in Message Signal (Hz)\n", "F2 = 750 # Lowest Value Sound Frequency in Message Signal (Hz)\n", "F3 = 1800 # Highest Value Sound Frequency in Message Signal (Hz)\n", "\n", "# Calculation\n", "import math\t # Math Library\n", "F_m = max(F1,F2,F3) # Maximum Frequency Component (Hz)\n", "F_s = 2*F_m\t # Minimum Sampling Frequency using Sampling Theorem (Hz)\n", "\n", "# Result\n", "print \"F_s >=(greater than or equal to)\",F_s,\"Hz\"" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "F_s >=(greater than or equal to) 3600 Hz\n" ] } ], "prompt_number": 2 } ], "metadata": {} } ] }