From 41f1f72e9502f5c3de6ca16b303803dfcf1df594 Mon Sep 17 00:00:00 2001 From: Thomas Stephen Lee Date: Fri, 4 Sep 2015 22:04:10 +0530 Subject: add/remove/update books --- .../chapter5.ipynb | 253 --------------------- 1 file changed, 253 deletions(-) delete mode 100755 Principles_Of_Electronic_Communication_Systems/chapter5.ipynb (limited to 'Principles_Of_Electronic_Communication_Systems/chapter5.ipynb') diff --git a/Principles_Of_Electronic_Communication_Systems/chapter5.ipynb b/Principles_Of_Electronic_Communication_Systems/chapter5.ipynb deleted file mode 100755 index 3539866c..00000000 --- a/Principles_Of_Electronic_Communication_Systems/chapter5.ipynb +++ /dev/null @@ -1,253 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:91b0cb714976b5e3abb5fa418cb1d12fb7cd307f6d4fd008a74f2dcf67b41e57" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 5 Fundamentals of frequency modulation" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5.1 Page no 153" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "f = 915*10**6\n", - "fm_deviation =12.5*10**3\n", - "\n", - "#Calculation\n", - "max_deviation = f + fm_deviation\n", - "min_deviation = f - fm_deviation\n", - "\n", - "#Result\n", - "print\"Maximum frequency occur during modulation is \",max_deviation/1000.0,\"KHz\"\n", - "print\"Minimum frequency occur during modulation is \",min_deviation/1000.0,\"KHz\"\n", - "\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Maximum frequency occur during modulation is 915012.5 KHz\n", - "Minimum frequency occur during modulation is 914987.5 KHz\n" - ] - } - ], - "prompt_number": 1 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5.2 Page no 160" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "max_deviation = 25*10**3\n", - "fm =15.0*10**3\n", - "\n", - "#Calculation\n", - "mf =max_deviation/fm\n", - "\n", - "#Result\n", - "print\"The deviation ratio of the TV sound is \",round(mf,3)\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The deviation ratio of the TV sound is 1.667\n" - ] - } - ], - "prompt_number": 1 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5.3 Page no 162" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "mf = 2.2\n", - "fd = 7.48*10**3\n", - "\n", - "#Calculation\n", - "fm = fd/mf\n", - "\n", - "#Result\n", - "print\"The maximum modulating frequency is \",fm/1000.0,\"KHz\"\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The maximum modulating frequency is 3.4 KHz\n" - ] - } - ], - "prompt_number": 3 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5.4 Page no 164" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "J0 = -0.4\n", - "J1 = -0.07\n", - "J2 = 0.36\n", - "J3 = 0.43\n", - "J4 = 0.28\n", - "\n", - "#Result\n", - "print\"The amplitude of the carrier is \",J0\n", - "print\"Amplitudes of the first four sidebands are \",\" \\n \", J1,\"\\n \",J2,\"\\n \",J3,\"\\n \",J4\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The amplitude of the carrier is -0.4\n", - "Amplitudes of the first four sidebands are \n", - " -0.07 \n", - " 0.36 \n", - " 0.43 \n", - " 0.28\n" - ] - } - ], - "prompt_number": 6 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5.5 Page no 165" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "fd = 30*10**3\n", - "fm = 5*10**3\n", - "N=9\n", - "\n", - "#Calculation\n", - "bw1 = 2*fm*N\n", - "bw2 = 2*(fd+fm)\n", - "\n", - "#Result\n", - "print\"The maximum bandwidth of the fm signal is \",bw1/10**3,\"KHz\"\n", - "print\"Bandwidth using carson's rule \",bw2/10**3,\"KHz\"\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The maximum bandwidth of the fm signal is 90 KHz\n", - "Bandwidth using carson's rule 70 KHz\n" - ] - } - ], - "prompt_number": 13 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5.6 Page no 167" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "S_N = 2.8\n", - "fm = 1.5*10**3\n", - "fd =4*10**3\n", - "\n", - "#Calculation\n", - "import math\n", - "fi= math.asin(1/S_N)\n", - "delta = fi*fm\n", - "SN =fd/delta\n", - "\n", - "#Result\n", - "print\"(a) The frequency deviation caused by the noise \",round(delta,1),\"Hz\"\n", - "print\"(b) The improved output signal to noise ratio is \",round(SN,1)\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "(a) The frequency deviation caused by the noise 547.8 Hz\n", - "(b) The improved output signal to noise ratio is 7.3\n" - ] - } - ], - "prompt_number": 21 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit