{ "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": {} } ] }