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{
"metadata": {
"name": "",
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter8, Slot Antenna"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example No. 8.3.1, page : 8-3"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"from math import pi\n",
"import numpy as np\n",
"Zcs=73+1J*42.5 #\u00ce\u00a9(Impedence of complementry structure)\n",
"Eta=120*pi #(Constant for free space)\n",
"ZS=Eta**2/4/Zcs #\u00ce\u00a9(Input Impedence)\n",
"print \"Input impedence =\",np.around(ZS),\"ohm\"\n",
"#At resonance\n",
"Zcs=73 #\u00ce\u00a9(Impedence of complementry structure)\n",
"Eta=120*pi #(Constant for free space)\n",
"ZS=Eta**2/4/Zcs #\u00ce\u00a9(Input Impedence)\n",
"print \"At resonance, Input impedence = %0.2f ohm\"%ZS\n",
"print \"ZS can be rounded to 500 \u00ce\u00a9\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Input impedence = (364-212j) ohm\n",
"At resonance, Input impedence = 486.72 ohm\n",
"ZS can be rounded to 500 \u00ce\u00a9\n"
]
}
],
"prompt_number": 21
}
],
"metadata": {}
}
]
}
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