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+{
+ "metadata": {
+  "name": "Chapter 5"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chpater 5:Cavity Resonators"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.1, Page number 174"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "'''Calculate minimum distance between two plates'''\n",
+      "\n",
+      "import math\n",
+      "\n",
+      "#Variable declaration\n",
+      "a = 3          #radius of circular waveguide(cm)\n",
+      "fo = 10*10**9  #frequency for TM011 mode(Hz)\n",
+      "P01 = 2.405\n",
+      "c = 3*10**10   #velocity of proapagation(m/s)\n",
+      "\n",
+      "#Calculation\n",
+      "d = math.sqrt((math.pi**2)/(((4*math.pi**2)/9)-((P01/a)**2)))\n",
+      "\n",
+      "#Result\n",
+      "print \"The minimum distance between two plates is\",round(d,2),\"cms\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The minimum distance between two plates is 1.62 cms\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.2, Page number 174"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "'''Find out the lowest resonating frequency of a rectangular resonator'''\n",
+      "\n",
+      "#Variable declaration\n",
+      "#dimensions of resonator\n",
+      "a = 2.\n",
+      "b = 1.\n",
+      "d = 3.\n",
+      "#For dominant mode TE101,\n",
+      "m = 1.\n",
+      "n = 0\n",
+      "p = 1.\n",
+      "\n",
+      "c = 3*10**10 #velocity of propagation(m/s)\n",
+      "\n",
+      "#Calculation\n",
+      "fo = (c/2)*(((m/a)**2+(n/b)**2+(p/d)**2))**0.5\n",
+      "\n",
+      "#Result\n",
+      "print \"The lowest resonating frequency of a rectangular cavity resonator is\",round((fo/1E+9),2),\"Ghz\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The lowest resonating frequency of a rectangular cavity resonator is 9.01 Ghz\n"
+       ]
+      }
+     ],
+     "prompt_number": 8
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.3, Page number 175"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "'''Find the resonanat frequency of a circular resonator for the folowing specifications'''\n",
+      "\n",
+      "import math\n",
+      "\n",
+      "#Variable declaration\n",
+      "D = 12.5     #diameter of resonator(cm)\n",
+      "d = 5        #length of resonator(cm)\n",
+      "P01 = 2.405  #dominant mode TM01\n",
+      "c = 3*10**10 #velocity of propagation(m/s)\n",
+      "\n",
+      "#For TM012 mode,\n",
+      "m = 1\n",
+      "n = 0\n",
+      "p = 2\n",
+      "\n",
+      "#Calculation\n",
+      "a = D/2\n",
+      "fo = (c/(2*math.pi))*((P01/a)**2+((p*math.pi)/d)**2)**0.5\n",
+      "\n",
+      "#Result\n",
+      "print \"The resonanat frequency of a circular resonator is\",round((fo/1E+9),2),\"GHz\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The resonanat frequency of a circular resonator is 6.27 GHz\n"
+       ]
+      }
+     ],
+     "prompt_number": 14
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.4, Page number 175"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "'''Find the resonanat frequency of a circular resonator for the folowing specifications'''\n",
+      "\n",
+      "#Variable declaration\n",
+      "#dimensions of resonator\n",
+      "a = 3.\n",
+      "b = 2.\n",
+      "d = 4.\n",
+      "#For dominant mode TE101,\n",
+      "m = 1.\n",
+      "n = 0\n",
+      "p = 1.\n",
+      "\n",
+      "c = 3*10**10 #velocity of propagation(m/s)\n",
+      "\n",
+      "#Calculation\n",
+      "fo = (c/2)*(((m/a)**2+(n/b)**2+(p/d)**2))**0.5\n",
+      "\n",
+      "#Result\n",
+      "print \"The lowest resonating frequency of a circular resonator is\",round((fo/1E+9),2),\"Ghz\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The lowest resonating frequency of a circular resonator is 6.25 Ghz\n"
+       ]
+      }
+     ],
+     "prompt_number": 15
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file