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+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:6e71dd92d1b17d959b3f4a36646e163cb828dba9f629a380a86a078783aa8586"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "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": {}
+ }
+ ]
+} \ No newline at end of file