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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 5: MICROWAVE PASSIVE COMPONENTS "
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.10: voltage_standing_wave_ratio.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//voltage standing wave ratio\n",
+"//given\n",
+"clc\n",
+"clear \n",
+"format\n",
+"Vr=0.37//volts\n",
+"Vi=1//volts\n",
+"row=Vr/Vi\n",
+"if(row>=0)\n",
+"VSWR=(1+row)/(1-row)\n",
+"VSWR=round(VSWR*10)/10///rounding off decimals\n",
+"disp(VSWR,'THE voltage standing wave ratio is:')\n",
+"else\n",
+"disp('not possible')\n",
+"end"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.11: magnitude_of_the_reflection_coefficent.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//magnitude of the reflection coefficent\n",
+"//given\n",
+"clc\n",
+"zl=10*%i//ohm\n",
+"z0=100//ohm\n",
+"row=(zl-z0)/(zl+z0)//reflection coefficent\n",
+"mag_row=norm(row)//magnitude of reflection coefficent\n",
+"disp(mag_row,'the magnitude of the reflection coefficent:')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.1: Zo_of_a_two_wire_transmission_line.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Zo of a two wire transmission  line\n",
+"//given\n",
+"clc\n",
+"L=1D-3//H/Km\n",
+"C=0.25D-6//F/Km\n",
+"Zo=sqrt(L/C)//ohm\n",
+"Zo=round(Zo*100)/100///rounding off decimalssc\n",
+"disp(Zo,'the Zo for two wire transmission line  in ohm:')//ohm"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.2: Zo_of_a_transmission_line.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Zo of a transmission line\n",
+"//given\n",
+"clc\n",
+"epsilon_r=1//assume as 1 according to question\n",
+"s=0.49//cm\n",
+"d=0.1//cm \n",
+"Zo=(276/sqrt(epsilon_r))*log10((2*s)/d)\n",
+"Zo=round(Zo*100)/100///rounding off decimals\n",
+"disp(Zo,'the Zo of a transmission line is given in ohm  as follows:')//ohm"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.3: wavelength_in_coaxial_line.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//wavelength in coaxial line\n",
+"//given\n",
+"clc\n",
+"V0=3D+8//m/s\n",
+"f=8D+9//hertz\n",
+"epsilon_r=2.25\n",
+"lem=V0/((sqrt(epsilon_r))*f)//meter\n",
+"disp(lem,'the wave length for the operating frequency  of 8GHz in meter:')\n",
+"//error in the form of miscalculation"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.4: frequency_of_air_dielectric_and_highest_frequency.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//frequency of air dielectric and highest frequency\n",
+"//given\n",
+"clc\n",
+"n=1//lowest mode\n",
+"d=2.6//mm\n",
+"D=0.8//mm\n",
+"V0=3d+11//mm/s//ERROR\n",
+"lem_c=(%pi/(2*n))*(d+D)\n",
+"fc=V0/lem_c//hertz//ERROR\n",
+"disp(fc,'the frequency is as follows:')//Hz\n",
+"//ERROR in the calculation  in the book as value of V0=3d+10"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.5: Zo_of_the_coaxial_cable.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Zo of the coaxial cable\n",
+"//given\n",
+"clc\n",
+"epsilon_r=2.25\n",
+"Dbyd=2.25\n",
+"Zo=(138/sqrt(epsilon_r))*log10(Dbyd)//ohm\n",
+"Zo=round(Zo*1000)/1000///rounding off decimals\n",
+"disp(Zo,'the Zo for the given coaxial cable is :')//ohm"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.6: output_power_of_cable.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//output power of cable\n",
+"//given\n",
+"clc\n",
+"alpha=0.28//db/m//attenuation\n",
+"alpha_50m=0.28*50//db//attenutaion of 50 m cable\n",
+"pi=0.4//watt//input power//ERROR\n",
+"po=pi/(10^((alpha_50m)/10))//watt//output power\n",
+"disp(po*1000,'the output power of 50m in mW ')//mW\n",
+"//ERROR in calculation of the book as pi=0.04  "
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.7: percentage_of_reflected_power.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//percentage of reflected power\n",
+"//given\n",
+"Vi=20//volts//incident voltage\n",
+"Vr=12.5//volts//reflected voltage\n",
+"row=Vr/Vi//reflected voltage coefficent\n",
+"row2=row^2//reflected_power/incident_power\n",
+"pi=1//watt\n",
+"pr=0.391*1\n",
+"%pr=pr*100//percentage power\n",
+"disp(%pr,'the percentage of reflected power is:')"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.8: voltage_standing_wave_ratio.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//voltage standing wave ratio\n",
+"//given\n",
+"clc\n",
+"Vmax=5//volts\n",
+"Vmin=3//volts\n",
+"VSWR=Vmax/Vmin//voltage standing wave ratio\n",
+"VSWR_S=20*log10(VSWR)//VSWR IN db\n",
+"VSWR_S=round(VSWR_S*100)/100///rounding off decimals\n",
+"disp(VSWR_S,'THE voltage standing wave ratio in db:')//decibles"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 5.9: VSWR_FOR_LOAD_impedence.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//VSWR FOR LOAD impedence\n",
+"//given\n",
+"clc\n",
+"Zo=100\n",
+"Zl1=50\n",
+"Zl2=125\n",
+"VSWR=Zo/Zl1//for Zo>Zl\n",
+"VSWR_1=Zl2/Zo//for Zo<Zl\n",
+"disp(VSWR_1,VSWR,'THE voltage standing wave ratio for each case:')"
+   ]
+   }
+],
+"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
+}