Initial commit

9 files changed, 425 insertions, 0 deletions

diff --git a/Analog_and_Digital_Communication_by_S_Sharma/10-Digital_multiplexers.ipynb b/Analog_and_Digital_Communication_by_S_Sharma/10-Digital_multiplexers.ipynb
new file mode 100644
index 0000000..1f2f85a
--- /dev/null
+++ b/Analog_and_Digital_Communication_by_S_Sharma/10-Digital_multiplexers.ipynb
@@ -0,0 +1,32 @@
+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 10: Digital multiplexers"
+	   ]
+	},
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}
diff --git a/Analog_and_Digital_Communication_by_S_Sharma/11-Information_Theory.ipynb b/Analog_and_Digital_Communication_by_S_Sharma/11-Information_Theory.ipynb
new file mode 100644
index 0000000..7e29fd1
--- /dev/null
+++ b/Analog_and_Digital_Communication_by_S_Sharma/11-Information_Theory.ipynb
@@ -0,0 +1,169 @@
+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 11: Information Theory"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.20: channel_matrix_and_probabilities.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//ANALOG AND DIGITAL COMMUNICATION\n",
+"//BY Dr.SANJAY SHARMA\n",
+"//CHAPTER 11\n",
+"//Information Theory\n",
+"clear all;\n",
+"clc;\n",
+"printf('EXAMPLE 11.20(PAGENO 503)');\n",
+"//given\n",
+"P_X = [.5 .5]//x matrix\n",
+"\n",
+"//calculations\n",
+"P_YX = [.9 .1; .2 .8];//yx matrix representation of given fig\n",
+"P_ZY = [.9 .1; .2 .8]//zy matrix representation of given fig\n",
+"P_Y = P_X *P_YX//y matrix\n",
+"P_ZX = P_YX * P_ZY//zx  matrix\n",
+"P_Z = P_X *P_ZX//z matrix\n",
+"\n",
+"\n",
+"//results\n",
+"printf('\n\ni.Channel matrix of the channelP_ZX ');\n",
+"disp(P_ZX);\n",
+"printf('Matrix P(Z)')\n",
+"disp(P_Z);\n",
+"printf('\n\na.P(Z1) = %.2f',P_Z(1,1));\n",
+"printf('\n\nb.P(Z2) = %.2f',P_Z(1,2));\n",
+""
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.46: efficiency_of_shannon_fano_code_and_huffman_code.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//ANALOG AND DIGITAL COMMUNICATION\n",
+"//BY Dr.SANJAY SHARMA\n",
+"//CHAPTER 11\n",
+"//Information Theory\n",
+"clear all;\n",
+"clc;\n",
+"printf('EXAMPLE 11.46(PAGENO 532)');\n",
+"\n",
+"//given\n",
+"P_x1 = .4//probability of first signal\n",
+"P_x2 = .19//probability of second signal\n",
+"P_x3 = .16//probability of third signal\n",
+"P_x4 = .15//probability of fourth signal\n",
+"P_x5 = .1//probability of fifth signal\n",
+"n1 = 1//number of bits in code obtained from table givenn textbook\n",
+"n2 = 2//number of bits in code obtained from table givenn textbook\n",
+"n3 = 2//number of bits in code obtained from table givenn textbook\n",
+"n4 = 3//number of bits in code obtained from table givenn textbook\n",
+"n5 = 3//number of bits in code obtained from table givenn textbook\n",
+"\n",
+"//calculations\n",
+"I_x1 = -log2(P_x1);\n",
+"I_x2 = -log2(P_x2);\n",
+"I_x3 = -log2(P_x3);\n",
+"I_x4 = -log2(P_x4);\n",
+"I_x5 = -log2(P_x5);\n",
+"H_x = P_x1*I_x1 +  P_x2*I_x2 +  P_x3*I_x3 +  P_x4*I_x4 +  P_x5*I_x5;//entropy\n",
+"L1 = P_x1*n1 + P_x2*n2 + P_x3*n3 + P_x4*n4 + P_x5*n5;\n",
+"neta1 = H_x/L1;\n",
+"P_neta1 = neta1*100//efficiency in percentage using Shannon Fano code\n",
+"L2 = P_x1*1 + (P_x2 + P_x3 +P_x4 +P_x5 )*3\n",
+"neta2 = H_x/L2;\n",
+"P_neta2 = neta2*100//efficiency in percentage using huffman code\n",
+"\n",
+"//results\n",
+"printf('\n\nEfficiency in percentage using Shannon Fano code = %2f percent',P_neta1)\n",
+"printf('\n\nEfficiency in percentage using huffman code   = %2f percent',P_neta2)\n",
+"printf('\n\nNote: There is mistake in the textbook in calculation of L using SHannon Fano code')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.4: amount_of_information_content_wrt_to_binary_PCMs.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//ANALOG AND DIGITAL COMMUNICATION\n",
+"//BY Dr.SANJAY SHARMA\n",
+"//CHAPTER 11\n",
+"//Information Theory\n",
+"clear all;\n",
+"clc;\n",
+"printf('EXAMPLE 11.4(PAGENO 489)');\n",
+"//given\n",
+"Px_1 = 1/4//probability wrt to binary PCM '0'\n",
+"Px_2 = 3/4//probability wrt to binary PCM '1'\n",
+"\n",
+"//calculations\n",
+"Ix_1 = log2(1/Px_1)//amount of information of zero level with base 2\n",
+"Ix_2 = log2(1/Px_2)//amount of information of first level with base 2\n",
+"Ix_1= log(1/Px_1)/log(2)//amount of information content with base 10\n",
+"Ix_2= log(1/Px_2)/log(2)//amount of information content with base 10\n",
+"\n",
+"//results\n",
+"printf('\n\ni.Amount of information carried wrt to binary PCM 0 = %.2f bits',Ix_1);\n",
+"printf('\n\nii.Amount of information carried wrt to binary PCM 1 = %.2f bits',Ix_2);"
+   ]
+   }
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}
diff --git a/Analog_and_Digital_Communication_by_S_Sharma/2-Amplitude_Modulation.ipynb b/Analog_and_Digital_Communication_by_S_Sharma/2-Amplitude_Modulation.ipynb
new file mode 100644
index 0000000..88e8256
--- /dev/null
+++ b/Analog_and_Digital_Communication_by_S_Sharma/2-Amplitude_Modulation.ipynb
@@ -0,0 +1,32 @@
+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 2: Amplitude Modulation"
+	   ]
+	},
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}
diff --git a/Analog_and_Digital_Communication_by_S_Sharma/3-Radio_Transmitters.ipynb b/Analog_and_Digital_Communication_by_S_Sharma/3-Radio_Transmitters.ipynb
new file mode 100644
index 0000000..6303d40
--- /dev/null
+++ b/Analog_and_Digital_Communication_by_S_Sharma/3-Radio_Transmitters.ipynb
@@ -0,0 +1,32 @@
+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 3: Radio Transmitters"
+	   ]
+	},
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}
diff --git a/Analog_and_Digital_Communication_by_S_Sharma/4-Radio_Receivers.ipynb b/Analog_and_Digital_Communication_by_S_Sharma/4-Radio_Receivers.ipynb
new file mode 100644
index 0000000..deea21e
--- /dev/null
+++ b/Analog_and_Digital_Communication_by_S_Sharma/4-Radio_Receivers.ipynb
@@ -0,0 +1,32 @@
+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 4: Radio Receivers"
+	   ]
+	},
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}
diff --git a/Analog_and_Digital_Communication_by_S_Sharma/5-Angle_Modulation.ipynb b/Analog_and_Digital_Communication_by_S_Sharma/5-Angle_Modulation.ipynb
new file mode 100644
index 0000000..b230204
--- /dev/null
+++ b/Analog_and_Digital_Communication_by_S_Sharma/5-Angle_Modulation.ipynb
@@ -0,0 +1,32 @@
+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 5: Angle Modulation"
+	   ]
+	},
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}
diff --git a/Analog_and_Digital_Communication_by_S_Sharma/6-Noise.ipynb b/Analog_and_Digital_Communication_by_S_Sharma/6-Noise.ipynb
new file mode 100644
index 0000000..e39c84b
--- /dev/null
+++ b/Analog_and_Digital_Communication_by_S_Sharma/6-Noise.ipynb
@@ -0,0 +1,32 @@
+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 6: Noise"
+	   ]
+	},
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}
diff --git a/Analog_and_Digital_Communication_by_S_Sharma/7-Sampling_Theory_and_Pulse_Modulation.ipynb b/Analog_and_Digital_Communication_by_S_Sharma/7-Sampling_Theory_and_Pulse_Modulation.ipynb
new file mode 100644
index 0000000..2681c2a
--- /dev/null
+++ b/Analog_and_Digital_Communication_by_S_Sharma/7-Sampling_Theory_and_Pulse_Modulation.ipynb
@@ -0,0 +1,32 @@
+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 7: Sampling Theory and Pulse Modulation"
+	   ]
+	},
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}
diff --git a/Analog_and_Digital_Communication_by_S_Sharma/8-Waveform_Coding_Techniques.ipynb b/Analog_and_Digital_Communication_by_S_Sharma/8-Waveform_Coding_Techniques.ipynb
new file mode 100644
index 0000000..ebf5898
--- /dev/null
+++ b/Analog_and_Digital_Communication_by_S_Sharma/8-Waveform_Coding_Techniques.ipynb
@@ -0,0 +1,32 @@
+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 8: Waveform Coding Techniques"
+	   ]
+	},
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}