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Diffstat (limited to 'Digital_Communications/ChapterNo4.ipynb')
| -rwxr-xr-x | Digital_Communications/ChapterNo4.ipynb | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/Digital_Communications/ChapterNo4.ipynb b/Digital_Communications/ChapterNo4.ipynb deleted file mode 100755 index 547a969e..00000000 --- a/Digital_Communications/ChapterNo4.ipynb +++ /dev/null @@ -1,273 +0,0 @@ -{
- "metadata": {
- "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "<h1> Chpater No 4: DIGITAL MULTIPLEXERS<h1>"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4.4, page no 190 "
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Caption: Sampling Rate\n",
- "\n",
- "#initialisation of variables\n",
- "f1=4.0*10**3\n",
- "f2=4.5*10**3\n",
- "\n",
- "#CALCULATIONS\n",
- "fsmin=(2*f2)/1000\n",
- "\n",
- "#RESULTS\n",
- "print(\" Sampling rate =%.2f kHz\" %fsmin)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- " Sampling rate =9.00 kHz\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4.5, Page No 190 "
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Caption: Nyquest rate,Signaling rate,bandwidth\n",
- "\n",
- "#initialisation of variables\n",
- "f1=3000.0\n",
- "f4=1000.0\n",
- "f2=1000.0\n",
- "f3=1000.0\n",
- "\n",
- "#CALCULATIONS\n",
- "#Nyquest rate\n",
- "nq1=2*f1\n",
- "nq2=2*f2\n",
- "nq3=2*f3\n",
- "nq4=2*f4\n",
- "\n",
- "#RESULTS\n",
- "print('i. Nyquest rate of x1 =%.2fkHz' %nq1)\n",
- "print('ii. Nyquest rate of x2 =%.2fkHz' %nq2)\n",
- "print('iii. Nyquest rate of x3 =%.2fkHz' %nq3)\n",
- "print('iv. Nyquest rate of x4 =%.2fkHz' %nq4)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "i. Nyquest rate of x1 =6000.00kHz\n",
- "ii. Nyquest rate of x2 =2000.00kHz\n",
- "iii. Nyquest rate of x3 =2000.00kHz\n",
- "iv. Nyquest rate of x4 =2000.00kHz\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4.6, Page No 190 "
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Find The spacing between two successive pules\n",
- "\n",
- "#initialisation of variables\n",
- "samplingrate=8000.0\n",
- "totalsignals=24+1\n",
- "\n",
- "#CALCULATIONS\n",
- "t=1/samplingrate\n",
- "T=t/totalsignals\n",
- "T=T*10**6 #time is now u sec\n",
- "space=T-1\n",
- "\n",
- "#RESULTS\n",
- "print('The spacing between two successive pules %.f u sec' %space)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The spacing between two successive pules 4 u sec\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4.7, Page No 191"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Find signaling rate ,bandwidth\n",
- "\n",
- "#initialisation of variables\n",
- "N=6.0\n",
- "fm=5000.0\n",
- "\n",
- "#CALCULATIONS\n",
- "r=2*fm #sampling rate\n",
- "sr=N*r #signalingrate\n",
- "BW=N*fm #Bandwith\n",
- "sr=sr/1000\n",
- "BW=BW/1000\n",
- "\n",
- "#RESULTS\n",
- "print('Signaling rate %.f K bits/sec' %sr)\n",
- "print('Bandwith to avoid the cross talk in TDM is %.f kHz' %BW)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Signaling rate 60 K bits/sec\n",
- "Bandwith to avoid the cross talk in TDM is 30 kHz\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4.9, Page No 198"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Find signaling rate ,bandwidth\n",
- "\n",
- "#initialisation of variables\n",
- "N=4.0\n",
- "x=24 #bits/frame\n",
- "D=1152\n",
- "s=1.0/3\n",
- "r=1.544*10**6\n",
- "\n",
- "#CALCULATIONS\n",
- "r0=N*r*((D+x)/(D-s*N))\n",
- "\n",
- "#RESULTS\n",
- "print('Output bit rate %.2f MB/sec' %(r0/(10**6)))"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Output bit rate 6.31 MB/sec\n"
- ]
- }
- ],
- "prompt_number": 5
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4.10, Page No 198"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Find signaling rate ,bandwidth\n",
- "\n",
- "#initialisation of variables\n",
- "N=24.0\n",
- "x=72.0 #bits\n",
- "D=192 #message and stuff bits\n",
- "s=1.0/3\n",
- "r=64 #kb/sec\n",
- "\n",
- "#CALCULATIONS\n",
- "r0=N*r*((D+x)/(D-s*N))\n",
- "r1=((N*r)/r0)*100\n",
- "\n",
- "#RESULTS\n",
- "print('i) Output bit rate %.2f MB/sec' %(r0/(10**3)))\n",
- "print('iI) Throughput efficiency is = %.2f percent' %r1)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "i) Output bit rate 2.20 MB/sec\n",
- "iI) Throughput efficiency is = 69.70 percent\n"
- ]
- }
- ],
- "prompt_number": 6
- }
- ],
- "metadata": {}
- }
- ]
-}
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