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Diffstat (limited to 'backup/temp_version_backup/chapter14.ipynb')
| -rwxr-xr-x | backup/temp_version_backup/chapter14.ipynb | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/backup/temp_version_backup/chapter14.ipynb b/backup/temp_version_backup/chapter14.ipynb deleted file mode 100755 index 483c5c1b..00000000 --- a/backup/temp_version_backup/chapter14.ipynb +++ /dev/null @@ -1,229 +0,0 @@ -{
- "metadata": {
- "name": "",
- "signature": "sha256:e45779b9fe24c5d57bbc44b21eced0e689b3f83e9f5f5eea042afe4effb61cee"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 14 Antennas and Wave Propogation"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 14.1 page no 544"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "f=310.0*10**6\n",
- "\n",
- "#Calculation\n",
- "import math\n",
- "len1 =(492*0.97)/f\n",
- "len2 =(492/f)*0.8\n",
- "len3 =(984/f)*0.73\n",
- "z1 =120*log(35/2.0)\n",
- "len4 =234/f\n",
- "z2 = 73/2.0\n",
- "\n",
- "#Result\n",
- "print\"(a) The length and radiation resistance of the dipole are \",round(len1*10**6,2),\"feet and 73 ohm respectively\"\n",
- "print\"(b) The length of the folded dipole are \",round(len2*10**6,2),\"feet\"\n",
- "print\"(c) The length and radiation resistance of the bow tie antenna are \",round(len3*10**6,1),\"feet and \",round(z1,1),\"ohm resp.\"\n",
- "print\"(d) The length and radiation resistance of the groun plane antenna are \",round(len4*10**6,3),\"feet and\",z2,\"ohm resp.\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) The length and radiation resistance of the dipole are 1.54 feet and 73 ohm respectively\n",
- "(b) The length of the folded dipole are 1.27 feet\n",
- "(c) The length and radiation resistance of the bow tie antenna are 2.3 feet and 343.5 ohm resp.\n",
- "(d) The length and radiation resistance of the groun plane antenna are 0.755 feet and 36.5 ohm resp.\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 14.2 Page no 553"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "gain=14\n",
- "len=250\n",
- "attn_100=3.6\n",
- "f =220*10\n",
- "pin =50\n",
- "p =0.126\n",
- "\n",
- "#Calculation\n",
- "pout =pin*p\n",
- "line_loss =pin-pout\n",
- "pwr_ratio = 25.1\n",
- "ERP = pwr_ratio*pout\n",
- "\n",
- "#Result\n",
- "print\"(a) The transmission line loss is \",line_loss\n",
- "print\"(b) Effective raduated power is \",round(ERP,1),\"W\"\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) The transmission line loss is 43.7\n",
- "(b) Effective raduated power is 158.1 W\n"
- ]
- }
- ],
- "prompt_number": 12
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 14.3 Page no 556"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "Z0 =50\n",
- "Zl =172\n",
- "f =460.0*10**6\n",
- "VF =0.86\n",
- "\n",
- "#Calculation\n",
- "len =(246/f)*VF\n",
- "\n",
- "#Result\n",
- "print\"The length of the impedance matching section needed for the Q section is \",round(len*10**6,2),\"feet\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The length of the impedance matching section needed for the Q section is 0.46 feet\n"
- ]
- }
- ],
- "prompt_number": 13
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 14.4 Page no 557"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "f = 460.0*10**6\n",
- "VF = 0.66\n",
- "\n",
- "#Calculation\n",
- "len = (246/f)*VF\n",
- "\n",
- "#Result \n",
- "print\"The length of impedance matching section is \",round(len*10**6,3),\"feet\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The length of impedance matching section is 0.353 feet\n"
- ]
- }
- ],
- "prompt_number": 14
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 14.5 Page no 567"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "ht =275\n",
- "hr =60\n",
- "f=224.0*10**6\n",
- "pt=100\n",
- "Gt = 26\n",
- "Gr = 3.27\n",
- "\n",
- "#Calculation\n",
- "D =((2*ht)**0.5+(2*hr)**0.5)*1.61\n",
- "lamda = 300/f\n",
- "Pr = (pt*Gt*Gr*lamda**2)/(16*3.14**2*D**2)\n",
- "\n",
- "#Result\n",
- "print\"(a) The maximmum transmitting distance is \",round(D,1),\"kilometer\"\n",
- "print\"(b) The received power is \",round(Pr*10**15,1),\"nW\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) The maximmum transmitting distance is 55.4 kilometer\n",
- "(b) The received power is 31.5 nW\n"
- ]
- }
- ],
- "prompt_number": 2
- }
- ],
- "metadata": {}
- }
- ]
-}
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