Added(A)/Deleted(D) following books

 A  Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER01.ipynb
A  Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER03.ipynb
A  Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER04.ipynb
A  Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER05.ipynb
A  Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER06.ipynb
A  Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER08.ipynb
A  Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER09.ipynb
A  Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER10.ipynb
A  Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER11.ipynb
A  Analog_and_Digital_Communications_by_H_P_Hsu/screenshots/Screenshot04.png
A  Analog_and_Digital_Communications_by_H_P_Hsu/screenshots/Screenshot08.png
A  Analog_and_Digital_Communications_by_H_P_Hsu/screenshots/Screenshot10.png
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/CHAPTER01.ipynb
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/CHAPTER02.ipynb
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/CHAPTER03.ipynb
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/CHAPTER04.ipynb
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/CHAPTER05.ipynb
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/CHAPTER06.ipynb
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/CHAPTER07.ipynb
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/CHAPTER08.ipynb
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/screenshots/Screenshot02.png
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/screenshots/Screenshot04.png
A  Basic_electrical_and_electronics_engineering_-1_by_S_K_Bhattacharya_and_debasish_de/screenshots/Screenshot06.png
A  Power_System_Operation_and_Control_by_B._R._Gupta/Chapter1.ipynb
A  Power_System_Operation_and_Control_by_B._R._Gupta/Chapter2.ipynb
A  Power_System_Operation_and_Control_by_B._R._Gupta/Chapter3.ipynb
A  Power_System_Operation_and_Control_by_B._R._Gupta/Chapter4.ipynb
A  Power_System_Operation_and_Control_by_B._R._Gupta/Chapter5.ipynb
A  Power_System_Operation_and_Control_by_B._R._Gupta/Chapter6.ipynb
A  Power_System_Operation_and_Control_by_B._R._Gupta/screenshots/Ch1-EnergyLadCurveAndMassCurve.png
A  Power_System_Operation_and_Control_by_B._R._Gupta/screenshots/Ch2-LoadGeneration.png
A  Power_System_Operation_and_Control_by_B._R._Gupta/screenshots/Ch2-ReceivedPower.png

1 files changed, 680 insertions, 0 deletions

diff --git a/Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER04.ipynb b/Analog_and_Digital_Communications_by_H_P_Hsu/CHAPTER04.ipynb
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+{

+ "metadata": {

+  "name": "",

+  "signature": "sha256:a49a8ec12fc3b73c3ede4bd700b2981c396abe3970143184cc460eca3744fac1"

+ },

+ "nbformat": 3,

+ "nbformat_minor": 0,

+ "worksheets": [

+  {

+   "cells": [

+    {

+     "cell_type": "heading",

+     "level": 1,

+     "metadata": {},

+     "source": [

+      "CHAPTER04:ANGLE MODULATION"

+     ]

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E03 : Pg 4.9"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.9\n",

+      "# Example 4.3\n",

+      "# Given\n",

+      "fc=1.*10.**6.; # Hz\n",

+      "kf=5.;\n",

+      "mt=1.*10.**5.; # Hz\n",

+      "\n",

+      "# (a) mi(t) with fm\n",

+      "mi=(fc+(kf*mt));\n",

+      "print\"Max, Inst. Frequency with FM\",mi,\"Hz\"\n",

+      "import math \n",

+      "kp=3.;\n",

+      "# (b) mi2(t) with pm\n",

+      "mi2=fc+(mt*(kp/(2*math.pi)));\n",

+      "\n",

+      "print\"Max, Inst. Frequency with PM\",mi2,\"Hz\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Max, Inst. Frequency with FM 1500000.0 Hz\n",

+        "Max, Inst. Frequency with PM 1047746.48293 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 1

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E09 : Pg 4.13"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.13\n",

+      "# Example 4.9\n",

+      "# Given\n",

+      "delf=20.*10.**3.; # hz\n",

+      "fm=10.*10.**3.; # Hz\n",

+      "\n",

+      "B=delf/fm;\n",

+      "print\"Beta: \",B"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Beta:  2.0\n"

+       ]

+      }

+     ],

+     "prompt_number": 2

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E13 : Pg 4.16"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.16\n",

+      "# Example 4.13\n",

+      "# Given\n",

+      "# x(t)=10cos((2*pi*10**8*t)+(200cos(2*pi*10**3*t)))\n",

+      "# on differentiating\n",

+      "# wi=2*pi*(1D+8)-4*pi*sin(2*pi*(1D+3)*t)\n",

+      "# Therefore\n",

+      "import math \n",

+      "delw=4.*math.pi*(1.*10.**5.);\n",

+      "wm=2.*math.pi*(1.*10.**3.);\n",

+      "B=delw/wm;\n",

+      "wb=2.*(B+1.)*wm;\n",

+      "fb=wb/2.*math.pi;\n",

+      "print\"Wb\",wb,\"rad/s\"\n",

+      "print\"Fb\",fb,\"Hz\""

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Wb 2525840.49349 rad/s\n",

+        "Fb 3967580.96924 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 3

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E14 : Pg 4.17"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.17\n",

+      "# Example 4.14\n",

+      "# Given\n",

+      "delf=100.*10.**3; # Hz\n",

+      "fc=20.*10.**6.; # Hz\n",

+      "\n",

+      "# As B=delf/fm;\n",

+      "# (a) fm1=1*10.**3hz\n",

+      "print'Part a'\n",

+      "fm1=1.*10.**3.; # Hz\n",

+      "B1=delf/fm1;\n",

+      "print'Modulation Index',B1\n",

+      "fb1=2.*delf;\n",

+      "print'Bandwidth',fb1,'Hz'\n",

+      "# (b) fm2=100*10.**3hz\n",

+      "print'\\nPart b'\n",

+      "fm2=100.*10.**3.; # Hz\n",

+      "B2=delf/fm2;\n",

+      "print'Modulation Index',B2\n",

+      "fb2=2.*(B2+1.)*fm2;\n",

+      "print'Bandwidth',fb2,'Hz'\n",

+      "# (c) fm3=500*10.**3hz\n",

+      "print'\\nPart c'\n",

+      "fm3=500.*10.**3.; # Hz\n",

+      "B3=delf/fm3;\n",

+      "print'Modulation Index',B3\n",

+      "fb3=2.*fm3;\n",

+      "print'Bandwidth',fb3,'Hz'"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Part a\n",

+        "Modulation Index 100.0\n",

+        "Bandwidth 200000.0 Hz\n",

+        "\n",

+        "Part b\n",

+        "Modulation Index 1.0\n",

+        "Bandwidth 400000.0 Hz\n",

+        "\n",

+        "Part c\n",

+        "Modulation Index 0.2\n",

+        "Bandwidth 1000000.0 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 4

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E15 : Pg 4.17"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.17\n",

+      "# Example 4.15\n",

+      "# Given\n",

+      "# x(t)=10cos(wct+3sinwmt)\n",

+      "# Comparing with standard equation\n",

+      "B=3.;\n",

+      "fm=1.*10.**3.; # hz\n",

+      "fb=2.*(B+1.)*fm;\n",

+      "\n",

+      "# (a)fm is doubled\n",

+      "fma=2.*fm;\n",

+      "fba=2.*(B+1.)*fma;\n",

+      "print\"fb with 2fm: \",fba\n",

+      "\n",

+      "# (b)fm is one halved\n",

+      "fmb=fm/2.;\n",

+      "fbb=2.*(B+1.)*fmb;\n",

+      "print\"fb with 0.5fm: \",fbb"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "fb with 2fm:  16000.0\n",

+        "fb with 0.5fm:  4000.0\n"

+       ]

+      }

+     ],

+     "prompt_number": 5

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E16 : Pg 4.18"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.18\n",

+      "# Example 4.16\n",

+      "# Given\n",

+      "# x(t)=10cos(wct+3sinwmt)\n",

+      "# Comparing with standard equation of fm\n",

+      "B=3.;\n",

+      "fm=1.*10.**3.; # hz\n",

+      "fb=2.*(B+1.)*fm;\n",

+      "\n",

+      "# B is inversaly proportional to fm\n",

+      "\n",

+      "# (a)fm is doubled\n",

+      "Ba=B/2.;\n",

+      "fma=2.*fm;\n",

+      "fba=2.*(Ba+1.)*fma;\n",

+      "print\"fb with 2fm: \",fba\n",

+      "\n",

+      "\n",

+      "\n",

+      "# (b)fm is one halved\n",

+      "Bb=2.*B;\n",

+      "fmb=fm/2.;\n",

+      "fbb=2.*(Bb+1.)*fmb;\n",

+      "print\"fb with 0.5fm: \",fbb"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "fb with 2fm:  10000.0\n",

+        "fb with 0.5fm:  7000.0\n"

+       ]

+      }

+     ],

+     "prompt_number": 6

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E17 : Pg 4.18"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.18\n",

+      "# Example 4.17\n",

+      "\n",

+      "# Given\n",

+      "fm=2.*10.**3.; # Hz\n",

+      "delf=5.*10.**3.; # Hz\n",

+      "\n",

+      "# (a) Bandwidth of modulated signal\n",

+      "B=delf/fm;\n",

+      "\n",

+      "fb=2.*(B+1.)*fm;\n",

+      "print'Bandwidth',fb,'Hz'\n",

+      "\n",

+      "# (b)Max. frequency deviation and Bandwidth of new signal\n",

+      "# Given\n",

+      "fm1=fm-(1.*10.**3.);\n",

+      "delf1=3.*delf;\n",

+      "\n",

+      "B1=delf1/fm1;\n",

+      "\n",

+      "fd=B1*fm1;\n",

+      "print'Maximum frequency deviation',fd,'Hz'\n",

+      "\n",

+      "fb1=2.*(B1+1.)*fm1;\n",

+      "print'Bandwidth',fb1,'Hz'"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Bandwidth 14000.0 Hz\n",

+        "Maximum frequency deviation 15000.0 Hz\n",

+        "Bandwidth 32000.0 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 8

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E18 : Pg 4.19"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.19\n",

+      "# Example 4.18\n",

+      "# Given\n",

+      "delf=75.*10.**3.; # Hz\n",

+      "fM=15.*10.**3.; # Hz\n",

+      "\n",

+      "D=delf/fM;\n",

+      "# Given formula fb=2(*10.**2)*fM\n",

+      "fb1=2.*10.**2.*fM;\n",

+      "print'BW uing formula',fb1,'Hz'\n",

+      "\n",

+      "# Carsons Rule\n",

+      "fb2=2.*10.**1.*fM;\n",

+      "print'BW uing Carsons Rule',fb2,'Hz'\n",

+      "\n",

+      "# High quality Fm radios require minimum 200kHz\n",

+      "# Therefore, carsons rule underestimates bandwidth"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "BW uing formula 3000000.0 Hz\n",

+        "BW uing Carsons Rule 300000.0 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 9

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E19 : Pg 4.19"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.19\n",

+      "# Example 4.19\n",

+      "# Given\n",

+      "fm1=50.; # Hz\n",

+      "fm2=15.*10.**3.; # Hz\n",

+      "\n",

+      "delf=75.*10.**3.; # Hz\n",

+      "\n",

+      "# As B=delf/fm\n",

+      "Bmin=delf/fm2;\n",

+      "Bmax=delf/fm1;\n",

+      "\n",

+      "# Let B1=0.5\n",

+      "B1=0.5;\n",

+      "n=(Bmax/B1);\n",

+      "print'Multiplication factor',n\n",

+      "\n",

+      "delf1=(delf/n);\n",

+      "print'Max allowed frequency deviation',delf1,'Hz'"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Multiplication factor 3000.0\n",

+        "Max allowed frequency deviation 25.0 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 10

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E20 : Pg 4.20"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.20\n",

+      "# Example 4.20\n",

+      "# Given\n",

+      "f1=2.*10.**5.; # Hz\n",

+      "fLO=10.8*10.**6.; # Hz\n",

+      "delf1=25.; # Hz\n",

+      "n1=64.;\n",

+      "n2=48.;\n",

+      "\n",

+      "delf=(delf1*n1*n2);\n",

+      "print'Maximum frequency deviation',delf,'Hz'\n",

+      "\n",

+      "f2=n1*f1;\n",

+      "\n",

+      "f3a=f2+fLO;\n",

+      "f3b=f2-fLO;\n",

+      "\n",

+      "# For f3a\n",

+      "fca=n2*f3a;\n",

+      "print'Carrier frequency 1',fca,'Hz'\n",

+      "\n",

+      "# For f3b\n",

+      "fcb=n2*f3b;\n",

+      "print'Carrier frequency 2',fcb,'Hz'"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Maximum frequency deviation 76800.0 Hz\n",

+        "Carrier frequency 1 1132800000.0 Hz\n",

+        "Carrier frequency 2 96000000.0 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 11

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E21 : Pg 4.20"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.20\n",

+      "# Example 4.21\n",

+      "# Given\n",

+      "delf=20.*10.**3.; # Hz\n",

+      "fc=200.*10.**3.; # Hz\n",

+      "of=96.*10.**6.; # hz\n",

+      "# delf=n1*n2 and as only doublers are used, n1*n2 has to be power of 2\n",

+      "# By trail and error, we find\n",

+      "n1=64.;\n",

+      "n2=32.;\n",

+      "# Output of first Multiplier\n",

+      "o1=n1*fc;\n",

+      "print'Output of first multiplier: ',o1,'Hz'\n",

+      "i2=of/n2;\n",

+      "flo=o1-i2;\n",

+      "print'fLO',flo,'Hz'"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Output of first multiplier:  12800000.0 Hz\n",

+        "fLO 9800000.0 Hz\n"

+       ]

+      }

+     ],

+     "prompt_number": 12

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E22 : Pg 4.20"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.20\n",

+      "# Example 4.22\n",

+      "# Given\n",

+      "B=0.2; \n",

+      "f1=200.*10.**3.; # Hz\n",

+      "fml=50.; # Hz\n",

+      "fmh=15.*10.**3.; # Hz\n",

+      "delf=75.*10.**3.; # hz\n",

+      "fc=108.*10.**6.; # Hz\n",

+      "\n",

+      "delf1=B*fml;\n",

+      "n1n2=delf/delf1;\n",

+      "\n",

+      "# Let n2=150\n",

+      "n2=150.;\n",

+      "flo=((delf*f1)-fc)/n2;\n",

+      "print'fLO',flo,'Hz'\n",

+      "\n",

+      "n1=n1n2/n2;\n",

+      "print\"n1 with n2=150:\",n1"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "fLO 99280000.0 Hz\n",

+        "n1 with n2=150: 50.0\n"

+       ]

+      }

+     ],

+     "prompt_number": 13

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E23 : Pg 4.21"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.21\n",

+      "# Example 4.23\n",

+      "# Given,\n",

+      "\n",

+      "delfd1=50.; # Hz\n",

+      "f1=120.; # Hz\n",

+      "\n",

+      "delfd2=20000.; # Hz\n",

+      "f2=240.; # Hz\n",

+      "# (a)PM\n",

+      "delf1=(f2/f1)*delfd1;\n",

+      "n1=delfd2/delf1;\n",

+      "print'Frequency multiplication factor in PM',n1\n",

+      "\n",

+      "# (b)FM\n",

+      "n2=delfd2/delfd1;\n",

+      "print'Frequency multiplication factor in FM',n2"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Frequency multiplication factor in PM 200.0\n",

+        "Frequency multiplication factor in FM 400.0\n"

+       ]

+      }

+     ],

+     "prompt_number": 14

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E29 : Pg 4.25"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "# Page Number: 4.25\n",

+      "# Example 4.29\n",

+      "# Given,\n",

+      "f1=108.; # MHz\n",

+      "f2=157.; # MHz\n",

+      "\n",

+      "# (a) Image frequency overlaps RF band\n",

+      "fIF=12.; # MHz\n",

+      "\n",

+      "fL01=f1-fIF;\n",

+      "print'fL01',fL01,'MHz'\n",

+      "fim1=fL01-fIF;\n",

+      "print'fim1',fim1,'MHz'\n",

+      "\n",

+      "fL02=f2-fIF;\n",

+      "print'fL02',fL02,'MHz'\n",

+      "fim2=fL02-fIF;\n",

+      "print'fim2',fim2,'MHz'\n",

+      "\n",

+      "# Clearly image and RF band overlap"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "fL01 96.0 MHz\n",

+        "fim1 84.0 MHz\n",

+        "fL02 145.0 MHz\n",

+        "fim2 133.0 MHz\n"

+       ]

+      }

+     ],

+     "prompt_number": 15

+    }

+   ],

+   "metadata": {}

+  }

+ ]

+}
\ No newline at end of file