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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:349ae7afdee1d1b3c3dc4037b8dc3bb200738707d16369e5edfee0d065859f9b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 9: Signal Analysis"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex9.1:pg-277"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "# To find dynamic range of spectrum analyser\n",
+      "\n",
+      "# Given data\n",
+      "I_p = +25.0; #Third order intercept point in dBm\n",
+      "MDS = -85.0; #noise level in dBm\n",
+      "\n",
+      "#Calculations\n",
+      "\n",
+      "dynamic_range = 2/3.0*(I_p -MDS);\n",
+      "print \"The dynamic range of the spectrum analyser =\",int(dynamic_range),\" dB\"\n",
+      "\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The dynamic range of the spectrum analyser = 73  dB\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex9.2:pg-277"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "# To find minimum detectable signal\n",
+      "\n",
+      "import math\n",
+      "\n",
+      "# Given data\n",
+      "NF = 20.0; #Noise figure in dB\n",
+      "BW = 1*10.0**3; #Bandwidth in Hz\n",
+      "\n",
+      "#Calculations\n",
+      "MDS=-114+10*math.log10((BW/(1*10.0**6)))+NF\n",
+      "print \"The minimum detectable signal of the spectrum analyser = \",int(MDS),\" dBm\"\n",
+      "\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The minimum detectable signal of the spectrum analyser =  -124  dBm\n"
+       ]
+      }
+     ],
+     "prompt_number": 13
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex9.3:pg-285"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "# To find dynamic range and total frequency display\n",
+      "\n",
+      "import math\n",
+      "# Given data\n",
+      "T = 4.0; #Sample window in s\n",
+      "f_s = 20*10.0**3; # sample frequency in Hz\n",
+      "N = 10.0; #no of bits\n",
+      "\n",
+      "#Calculations\n",
+      "f_r = 1/T;\n",
+      "f_h = f_s/2.0; \n",
+      "R_d = 20*math.log10(2.0**N);\n",
+      "\n",
+      "print \"The ratio of the spectral calculation = \",round(f_r,2),\" Hz\\n\"\n",
+      "print \"The maximum calculated spectral frequency = \",int(f_h),\" Hz\\n\"\n",
+      "print \"The dynamic range = \",int(R_d),\" dB\"\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The ratio of the spectral calculation =  0.25  Hz\n",
+        "\n",
+        "The maximum calculated spectral frequency =  10000  Hz\n",
+        "\n",
+        "The dynamic range =  60  dB\n"
+       ]
+      }
+     ],
+     "prompt_number": 15
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file