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| author | Thomas Stephen Lee | 2015-09-04 22:04:10 +0530 |
|---|---|---|
| committer | Thomas Stephen Lee | 2015-09-04 22:04:10 +0530 |
| commit | 41f1f72e9502f5c3de6ca16b303803dfcf1df594 (patch) | |
| tree | f4bf726a3e3ce5d7d9ee3781cbacfe3116115a2c /Principles_Of_Electronic_Communication_Systems/chapter5.ipynb | |
| parent | 9c9779ba21b9bedde88e1e8216f9e3b4f8650b0e (diff) | |
| download | Python-Textbook-Companions-41f1f72e9502f5c3de6ca16b303803dfcf1df594.tar.gz Python-Textbook-Companions-41f1f72e9502f5c3de6ca16b303803dfcf1df594.tar.bz2 Python-Textbook-Companions-41f1f72e9502f5c3de6ca16b303803dfcf1df594.zip | |
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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": {}
- }
- ]
-}
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