From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1697/CH1/EX1.1/Exa1_1.sce | 10 ++++++++++ 1697/CH1/EX1.10/Exa1_10.sce | 17 +++++++++++++++++ 1697/CH1/EX1.11/Exa1_11.sce | 10 ++++++++++ 1697/CH1/EX1.12/Exa1_12.sce | 13 +++++++++++++ 1697/CH1/EX1.13/Exa1_13.sce | 16 ++++++++++++++++ 1697/CH1/EX1.14/Exa1_14.sce | 15 +++++++++++++++ 1697/CH1/EX1.15/Exa1_15.sce | 12 ++++++++++++ 1697/CH1/EX1.16/Exa1_16.sce | 10 ++++++++++ 1697/CH1/EX1.17/Exa1_17.sce | 11 +++++++++++ 1697/CH1/EX1.18/Exa1_18.sce | 12 ++++++++++++ 1697/CH1/EX1.19/Exa1_19.sce | 27 +++++++++++++++++++++++++++ 1697/CH1/EX1.2/Exa1_2.sce | 10 ++++++++++ 1697/CH1/EX1.20/Exa1_20.sce | 10 ++++++++++ 1697/CH1/EX1.3/Exa1_3.sce | 10 ++++++++++ 1697/CH1/EX1.4/Exa1_4.sce | 9 +++++++++ 1697/CH1/EX1.5/Exa1_5.sce | 15 +++++++++++++++ 1697/CH1/EX1.6/Exa1_6.sce | 11 +++++++++++ 1697/CH1/EX1.7/Exa1_7.sce | 15 +++++++++++++++ 1697/CH1/EX1.8/Exa1_8.sce | 13 +++++++++++++ 1697/CH1/EX1.9/Exa1_9.sce | 9 +++++++++ 20 files changed, 255 insertions(+) create mode 100755 1697/CH1/EX1.1/Exa1_1.sce create mode 100755 1697/CH1/EX1.10/Exa1_10.sce create mode 100755 1697/CH1/EX1.11/Exa1_11.sce create mode 100755 1697/CH1/EX1.12/Exa1_12.sce create mode 100755 1697/CH1/EX1.13/Exa1_13.sce create mode 100755 1697/CH1/EX1.14/Exa1_14.sce create mode 100755 1697/CH1/EX1.15/Exa1_15.sce create mode 100755 1697/CH1/EX1.16/Exa1_16.sce create mode 100755 1697/CH1/EX1.17/Exa1_17.sce create mode 100755 1697/CH1/EX1.18/Exa1_18.sce create mode 100755 1697/CH1/EX1.19/Exa1_19.sce create mode 100755 1697/CH1/EX1.2/Exa1_2.sce create mode 100755 1697/CH1/EX1.20/Exa1_20.sce create mode 100755 1697/CH1/EX1.3/Exa1_3.sce create mode 100755 1697/CH1/EX1.4/Exa1_4.sce create mode 100755 1697/CH1/EX1.5/Exa1_5.sce create mode 100755 1697/CH1/EX1.6/Exa1_6.sce create mode 100755 1697/CH1/EX1.7/Exa1_7.sce create mode 100755 1697/CH1/EX1.8/Exa1_8.sce create mode 100755 1697/CH1/EX1.9/Exa1_9.sce (limited to '1697/CH1') diff --git a/1697/CH1/EX1.1/Exa1_1.sce b/1697/CH1/EX1.1/Exa1_1.sce new file mode 100755 index 000000000..c34b53874 --- /dev/null +++ b/1697/CH1/EX1.1/Exa1_1.sce @@ -0,0 +1,10 @@ +//Exa 1.1 +clc; +clear; +close; +//given data : +E=4;//in V/m +Eta=120*%pi;//constant +//Formula : E/H=Eta +H=E/Eta;//in A/m +disp(H,"Strength of magnetic field in free space in A/m : "); \ No newline at end of file diff --git a/1697/CH1/EX1.10/Exa1_10.sce b/1697/CH1/EX1.10/Exa1_10.sce new file mode 100755 index 000000000..5ce022faa --- /dev/null +++ b/1697/CH1/EX1.10/Exa1_10.sce @@ -0,0 +1,17 @@ +//Exa 1.10 +clc; +clear; +close; +//given data : +le=200;//in m +Irms=200;//in A +f=300;//in KHz +r=10;//in Km +c=3*10^8;//speed of light i m/s +lambda=c/(f*1000);//in m +Erms=120*%pi*le*Irms/(lambda*r*10^3);//in V/m +disp(Erms,"Field strength at 10Km distace in V/m: "); +Rr=(160*(%pi)^2)*(le/lambda)^2;//in Ohm +W=Irms^2*Rr;//in Watts +disp(W/10^6,"Radiated Power in MWatts : "); +//Note : Answer is wrong in the book. Unit of answer in the book is written mW instead of MW by mistake. \ No newline at end of file diff --git a/1697/CH1/EX1.11/Exa1_11.sce b/1697/CH1/EX1.11/Exa1_11.sce new file mode 100755 index 000000000..e41807cf0 --- /dev/null +++ b/1697/CH1/EX1.11/Exa1_11.sce @@ -0,0 +1,10 @@ +//Exa 1.11 +clc; +clear; +close; +//given data : +//Formula : Rr=80*%pi^2*(l/lambda)^2 +//Given l=lambda/60 +//l/lambda=1/60 +Rr=80*%pi^2*(1/60)^2;//in Ohm +disp(Rr,"Radiation resistance in Ohm: "); \ No newline at end of file diff --git a/1697/CH1/EX1.12/Exa1_12.sce b/1697/CH1/EX1.12/Exa1_12.sce new file mode 100755 index 000000000..16d780f42 --- /dev/null +++ b/1697/CH1/EX1.12/Exa1_12.sce @@ -0,0 +1,13 @@ +//Exa 1.12 +clc; +clear; +close; +//given data : +r=10;//in Km +Erms=10;//in mV/m +r1=20;//in Km +//Formula : Erms=sqrt(90*W)/r;//in V/m +//Let swrt(90*W)=a +a=Erms*r; +Erms1=a/r1;//in mV/m +disp(Erms1,"Field strength at 20Km distace in mV/m: "); \ No newline at end of file diff --git a/1697/CH1/EX1.13/Exa1_13.sce b/1697/CH1/EX1.13/Exa1_13.sce new file mode 100755 index 000000000..66ae1b7f5 --- /dev/null +++ b/1697/CH1/EX1.13/Exa1_13.sce @@ -0,0 +1,16 @@ +//Exa 1.13 +clc; +clear; +close; +//given data : +r=1;//in Km +r=1*10^3;//in m +l=1;//in m +Irms=10;//in A +f=5;//in MHz +c=3*10^8;//speed of light i m/s +lambda=c/(f*10^6);//in m +le=2*l/%pi;//in m +Erms=120*%pi*le*Irms/(lambda*r);//in V/m +disp(Erms,"Field strength at 10Km distace in V/m: "); +//Note : Answer in the book is wrong. Mistake during value putting. \ No newline at end of file diff --git a/1697/CH1/EX1.14/Exa1_14.sce b/1697/CH1/EX1.14/Exa1_14.sce new file mode 100755 index 000000000..12510c1b7 --- /dev/null +++ b/1697/CH1/EX1.14/Exa1_14.sce @@ -0,0 +1,15 @@ +//Exa 1.14 +clc; +clear; +close; +//given data : +Irms=30;//in A +f=1;//in MHz +Erms=10;//in mV/m +Erms=Erms*10^-3;//in V/m +r=50;//in Km +r=r*10^3;//in m +c=3*10^8;//speed of light i m/s +lambda=c/(f*10^6);//in m +le=Erms*lambda*r/(120*%pi*Irms);//in m +disp(le,"Effetive height of Antenna in meter : "); \ No newline at end of file diff --git a/1697/CH1/EX1.15/Exa1_15.sce b/1697/CH1/EX1.15/Exa1_15.sce new file mode 100755 index 000000000..c3616ecef --- /dev/null +++ b/1697/CH1/EX1.15/Exa1_15.sce @@ -0,0 +1,12 @@ +//Exa 1.15 +clc; +clear; +close; +//given data : +disp("Erms^2 = 30*Wt/r^2"); +disp("Wt = Erms^2*r^2/30"); +disp("Given : E = 10*I/r"); +disp("Wt = (10*I/r)^2*r^2/30") +disp("Wt = 100*I^2/30") +disp("Rr = Wt/I^2 = 100/30"); +disp(100/30,"Radiation resistance in Ohm : "); \ No newline at end of file diff --git a/1697/CH1/EX1.16/Exa1_16.sce b/1697/CH1/EX1.16/Exa1_16.sce new file mode 100755 index 000000000..631bed969 --- /dev/null +++ b/1697/CH1/EX1.16/Exa1_16.sce @@ -0,0 +1,10 @@ +//Exa 1.16 +clc; +clear; +close; +//given data : +format('v',8); +lambda=300/(50*10^-6);//in m +r=round(lambda)/(2*%pi);//in m +disp(r,"Distance in meter : "); +//Note : Answer in the book is wrong. \ No newline at end of file diff --git a/1697/CH1/EX1.17/Exa1_17.sce b/1697/CH1/EX1.17/Exa1_17.sce new file mode 100755 index 000000000..7e98a6a92 --- /dev/null +++ b/1697/CH1/EX1.17/Exa1_17.sce @@ -0,0 +1,11 @@ +//Exa 1.17 +clc; +clear; +close; +//given data : +r=2;//in Km +r=r*10^3;//in m +Wt=1;//in KW +Wt=Wt*10^3;//in Watt +Erms=sqrt(30*Wt)/r;//in V/m +disp(Erms*10^3,"Field strength at 2Km distace in mV/m: "); \ No newline at end of file diff --git a/1697/CH1/EX1.18/Exa1_18.sce b/1697/CH1/EX1.18/Exa1_18.sce new file mode 100755 index 000000000..47e5f18e1 --- /dev/null +++ b/1697/CH1/EX1.18/Exa1_18.sce @@ -0,0 +1,12 @@ +//Exa 1.18 +clc; +clear; +close; +//given data : +f=20;//in MHz +f=f*10^6;//in Hz +le=100;//in m +c=3*10^8;//speed of light in m/s +lambda=c/f;//in m +Rr=160*(%pi*le/lambda)^2;//in ohm +disp(Rr/1000,"Radiation Resistance in KOhm : "); \ No newline at end of file diff --git a/1697/CH1/EX1.19/Exa1_19.sce b/1697/CH1/EX1.19/Exa1_19.sce new file mode 100755 index 000000000..fdef53ec0 --- /dev/null +++ b/1697/CH1/EX1.19/Exa1_19.sce @@ -0,0 +1,27 @@ +//Exa 1.19 +clc; +clear; +close; +//given data : +P=10;//in W/m^2 +f=40;//in MHz +f=f*10^6;//in Hz +mu_r=4;//constant +epsilon_r=5;//constant +//Velocity of propagation +//formula : v=(1/sqrt(mu_o*epsilon_o))*(1/sqrt(mu_r*epsilon_r));//in m/s +//1/sqrt(mu_o*epsilon_o)=c=speed of light=3*10^8 m/s +c=3*10^8;//speed of light in m/s +v=c*(1/sqrt(mu_r*epsilon_r));//in m/s +disp(v,"Velocity of propagation in m/s : "); +//Wavelength +lambda=v/f;//in meter +disp(lambda,"Wavelength in Meter : "); +//rms electric field +//Formula : E=P*sqrt(mu_o/epsilon_o)*sqrt(mu_r/epsilon_r);//in V/m +E=sqrt(1200*%pi*sqrt(4/5));//in V/m +Erms=sqrt(E^2/sqrt(2));//in V/m +disp(Erms,"rms Electric Field in V/m: "); +//Impedence of medium +Eta=(sqrt(2)*Erms)^2/P;//in Ohm +disp(Eta,"Impedence of medium in ohm : "); \ No newline at end of file diff --git a/1697/CH1/EX1.2/Exa1_2.sce b/1697/CH1/EX1.2/Exa1_2.sce new file mode 100755 index 000000000..e91d77b30 --- /dev/null +++ b/1697/CH1/EX1.2/Exa1_2.sce @@ -0,0 +1,10 @@ +//Exa 1.2 +clc; +clear; +close; +//given data : +H=5.2;//in mA/m +Eta=120*%pi;//constant +//Formula : E/H=Eta +E=H*10^-3*Eta;//in V/m +disp(round(E),"Strength of Electric field in free space in V/m : "); \ No newline at end of file diff --git a/1697/CH1/EX1.20/Exa1_20.sce b/1697/CH1/EX1.20/Exa1_20.sce new file mode 100755 index 000000000..5e53522a2 --- /dev/null +++ b/1697/CH1/EX1.20/Exa1_20.sce @@ -0,0 +1,10 @@ +//Exa 1.20 +clc; +clear; +close; +//given data : +disp("Hfi = (Im*dlsin(theta)/(4*%pi))*[cos(omega*t1)/r-omega*sin(omega*t1)/(c*r)]"); +disp("200(Im*dlsin(theta)/(4*%pi))*(sin(omega*t1)/r^2)=(Im*dlsin(theta)/(4*%pi))*(-omega*sin(omega*t1)/(c*r))"); +disp("200*cos(omega*t1)/r^2 = -omega*sin(omega*t1)/(c*r)"); +disp("r=200*lambda/(2*%pi);//in Meter") +disp("r = "+string(200/(2*%pi))+"lambda"); \ No newline at end of file diff --git a/1697/CH1/EX1.3/Exa1_3.sce b/1697/CH1/EX1.3/Exa1_3.sce new file mode 100755 index 000000000..80b9e748a --- /dev/null +++ b/1697/CH1/EX1.3/Exa1_3.sce @@ -0,0 +1,10 @@ +//Exa 1.3 +clc; +clear; +close; +//given data : +I=20;//in A +Rr=100;//in Ohm +//Formula : Wr=I^2*R +Wr=I^2*Rr;//in W +disp(Wr/1000,"Radiated power in KW : "); \ No newline at end of file diff --git a/1697/CH1/EX1.4/Exa1_4.sce b/1697/CH1/EX1.4/Exa1_4.sce new file mode 100755 index 000000000..d30a601be --- /dev/null +++ b/1697/CH1/EX1.4/Exa1_4.sce @@ -0,0 +1,9 @@ +//Exa 1.4 +clc; +clear; +close; +//given data : +W=625;//in KW +r=30;//in Km +Erms=sqrt(90*W*1000)/(r*1000);//in V/m +disp(Erms*1000,"Strength of Electric field at 30Km away in mV/m : "); \ No newline at end of file diff --git a/1697/CH1/EX1.5/Exa1_5.sce b/1697/CH1/EX1.5/Exa1_5.sce new file mode 100755 index 000000000..886e64ad4 --- /dev/null +++ b/1697/CH1/EX1.5/Exa1_5.sce @@ -0,0 +1,15 @@ +//Exa 1.5 +clc; +clear; +close; +//given data : +le=10;//in m +Irms=450;//in A +f=50;//in KHz +R=1.5;//in Ohm +lambda=300/(f/1000);//in m +Rr=160*(%pi)^2*(le/lambda)^2;//in Ohm +Wr=Irms^2*Rr;//in W +disp(Wr,"Radiated power in Watts : "); +Eta=(Rr/(Rr+R))*100;//efficiency in % +disp(Eta,"Efficiency of antenna in % : "); \ No newline at end of file diff --git a/1697/CH1/EX1.6/Exa1_6.sce b/1697/CH1/EX1.6/Exa1_6.sce new file mode 100755 index 000000000..a32b473c2 --- /dev/null +++ b/1697/CH1/EX1.6/Exa1_6.sce @@ -0,0 +1,11 @@ +//Exa 1.6 +clc; +clear; +close; +//given data : +le=50;//in m +f=100;//in MHz +lambda=300/(f);//in m +Rr=(160*(%pi)^2)*(le/lambda)^2;//in Ohm +disp(Rr/10^6,"Radiation Resistance in Mohm: "); +//Note : Answer in the book is wrong \ No newline at end of file diff --git a/1697/CH1/EX1.7/Exa1_7.sce b/1697/CH1/EX1.7/Exa1_7.sce new file mode 100755 index 000000000..bb5f3ccb9 --- /dev/null +++ b/1697/CH1/EX1.7/Exa1_7.sce @@ -0,0 +1,15 @@ +//Exa 1.7 +clc; +clear; +close; +//given data : +l=30;//in m +Irms=20;//in A +f=1;//in MHz +r=10;//in Km +r=r*1000;//in m +le=2*l/%pi;//in m +lambda=300/(f);//in m +Erms=120*%pi*le*Irms/(lambda*r);//in V/m +disp(Erms,"Field strength at 10Km distace in V/m: "); +//Note : Answer in the book is wrong \ No newline at end of file diff --git a/1697/CH1/EX1.8/Exa1_8.sce b/1697/CH1/EX1.8/Exa1_8.sce new file mode 100755 index 000000000..b28ed4afd --- /dev/null +++ b/1697/CH1/EX1.8/Exa1_8.sce @@ -0,0 +1,13 @@ +//Exa 1.8 +clc; +clear; +close; +//given data : +Rl=1;//in ohm +//Formula : Rr=80*%pi^2*(l/lambda)^2 +//Given l=lambda/10 +//l/lambda=1/10 +Rr=80*%pi^2*(1/10)^2;//in Ohm +disp(Rr,"Radiation resistance in Ohm: "); +Eta=Rr/(Rr+Rl);//Unitless +disp(Eta*100,"Antenna Efficiency in % : "); \ No newline at end of file diff --git a/1697/CH1/EX1.9/Exa1_9.sce b/1697/CH1/EX1.9/Exa1_9.sce new file mode 100755 index 000000000..9ac23e215 --- /dev/null +++ b/1697/CH1/EX1.9/Exa1_9.sce @@ -0,0 +1,9 @@ +//Exa 1.9 +clc; +clear; +close; +//given data : +r=100;//in Km +W=100;//in KW +Erms=sqrt(90*W*1000)/(r*1000);//in V/m +disp(Erms,"Strength of Electric Field in V/m : "); \ No newline at end of file -- cgit