initial commit / add all books

18 files changed, 271 insertions, 0 deletions

diff --git a/3547/CH9/EX9.1/EX9_1.png b/3547/CH9/EX9.1/EX9_1.png
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index 000000000..b2d741bc8
--- /dev/null
+++ b/3547/CH9/EX9.1/EX9_1.png
diff --git a/3547/CH9/EX9.1/EX9_1.sce b/3547/CH9/EX9.1/EX9_1.sce
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index 000000000..c799bc44b
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+// Example 9.1

+// Calculation of the (a) the channel spacing, (b) the signal bandwidth in a channel and cther total bandwidth of the WDM signal, and (c) the total data rate.

+// Page no 392

+

+clc;

+clear;

+close;

+

+//Given data

+Bs=10*10^12;               // Symbol rate

+n=6;                      // Spectral efficiency

+Fs=10*10^12;              // Symbol rate

+N=12;                    // No of channels

+

+

+

+// (a) Channel spacing

+B=Bs*log2(64);

+f=B/n;

+

+// (b) Total bandwidth of the WDM signal

+T1=(N-1)*f+(2*Fs)/2; 

+T1=T1*10^-12;

+// (c) Total data rate

+T2=N*B;

+T2=T2*10^-12;

+

+// Displaying results in the command window            

+printf("\n Channel spacing = %0.0f GHz ",f*10^-12);

+

+printf("\n Total bandwidth of the WDM signal = %0.0f GHz ",T1);

+printf("\n Total data rate = %0.0f Gb/s ",T2);

+

diff --git a/3547/CH9/EX9.2/EX9_2.png b/3547/CH9/EX9.2/EX9_2.png
new file mode 100644
index 000000000..8d85ab5d6
--- /dev/null
+++ b/3547/CH9/EX9.2/EX9_2.png
diff --git a/3547/CH9/EX9.2/EX9_2.sce b/3547/CH9/EX9.2/EX9_2.sce
new file mode 100644
index 000000000..089134582
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+++ b/3547/CH9/EX9.2/EX9_2.sce
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+// Example 9.2

+// Calculation of the total power at the fiber output.

+// Page no 393

+

+clc;

+clear;

+close;

+

+//Given data

+

+p=0;                // Power per channel

+fl=0.2;             // Fiber loss

+f=50;               // Wavelength

+

+

+// The total power at the fiber output.

+pc=10^(0.1*p);

+tp=pc*11;

+tp1=10*log10(tp);

+tfl=fl*f;

+to=tp1-tfl;

+

+

+

+

+//Displaying results in the command window            

+printf("\n The total power at the fiber output = %0.3f dBm ",to);

+

diff --git a/3547/CH9/EX9.3/EX9_3.png b/3547/CH9/EX9.3/EX9_3.png
new file mode 100644
index 000000000..8bd9edd11
--- /dev/null
+++ b/3547/CH9/EX9.3/EX9_3.png
diff --git a/3547/CH9/EX9.3/EX9_3.sce b/3547/CH9/EX9.3/EX9_3.sce
new file mode 100644
index 000000000..39f5b79f8
--- /dev/null
+++ b/3547/CH9/EX9.3/EX9_3.sce
@@ -0,0 +1,38 @@
+// Example 9.3

+// Calculation of a) The lengths of the adjacent waveguides and b) phase shift phi1 and phi2.

+// Page no 400

+

+clc;

+clear;

+close;

+

+//Given data

+

+p=0;                     // Power per channel

+fl=0.2;                  // Fiber loss

+m1=100;                  // Wavelength

+m2=110;

+lambda1=1550*10^-9;

+lambda2=1550.8*10^-9;

+c=3*10^8;               // Velocity of light

+b0=5.87*10^6;

+b1=4.86*10^-9;

+

+// a) The lengths of the adjacent waveguides

+l1=(2*%pi*m1)/b0;

+l2=(2*%pi*m2)/b0;

+

+

+// b) Phase shift phi1 and phi2.

+dfdl=-(c/lambda1^2);

+dbdl=2*%pi*b1*dfdl;

+phi1=2*%pi*m1+(lambda2-lambda1)*l1*dbdl;

+phi2=2*%pi*m2+(lambda2-lambda1)*l2*dbdl;

+

+//Displaying results in the command window            

+printf("\n The lengths of the adjacent waveguides  = %0.2f micrometer ",l1*10^6);

+printf("\n The lengths of the adjacent waveguides  = %0.2f micrometer",l2*10^6);

+printf("\n Phase shift phi1   = %0.2f x 10^2 rad ",phi1*10^-2);

+printf("\n Phase shift phi2 = %0.2f  x 10^2 rad",phi2*10^-2);

+

+// The answers vary due to round off error

diff --git a/3547/CH9/EX9.4/EX9_4.png b/3547/CH9/EX9.4/EX9_4.png
new file mode 100644
index 000000000..e3a86bbbc
--- /dev/null
+++ b/3547/CH9/EX9.4/EX9_4.png
diff --git a/3547/CH9/EX9.4/EX9_4.sce b/3547/CH9/EX9.4/EX9_4.sce
new file mode 100644
index 000000000..e92f52333
--- /dev/null
+++ b/3547/CH9/EX9.4/EX9_4.sce
@@ -0,0 +1,24 @@
+// Example 9.4

+// Calculation of the maximum reach up to which the carrier orthogonality is preserved.

+// Page no 408

+

+clc;

+clear;

+close;

+

+//Given data

+b=22*10^-27;                 // Power launched in port 1

+T=1.28*10^-9;                // Guard interval

+N=128;                       //  Subcarriers

+f=78.125*10^6;               // Frequency spacing between subcarriers

+

+// Bit rate of communication system

+I=T/(b*2*%pi*N*f);

+I=I*10^-3;

+

+

+

+//Displaying results in the command window            

+printf("\n The maximum reach up to which the carrier orthogonality is preserved = %0.0f km ",I);

+

+// The answers vary due to round off error

diff --git a/3547/CH9/EX9.5/EX9_5.png b/3547/CH9/EX9.5/EX9_5.png
new file mode 100644
index 000000000..5067f13a5
--- /dev/null
+++ b/3547/CH9/EX9.5/EX9_5.png
diff --git a/3547/CH9/EX9.5/Ex9_5.sce b/3547/CH9/EX9.5/Ex9_5.sce
new file mode 100644
index 000000000..d29ca4525
--- /dev/null
+++ b/3547/CH9/EX9.5/Ex9_5.sce
@@ -0,0 +1,22 @@
+// Example 9.5

+// Calculation of the maximum reach up to which the carrier orthogonality is preserved.

+// Page no 410

+

+clc;

+clear;

+close;

+

+//Given data

+d=30*10^-12;          // Delay

+b=0.5*10^-8;          

+

+// The maximum reach up to which the carrier orthogonality is preserved

+L=d/b;

+L=L*10^3;

+

+

+

+//Displaying results in the command window            

+printf("\n The maximum reach up to which the carrier orthogonality is preserved = %0.3f mm ",L);

+

+// The answers vary due to round off error

diff --git a/3547/CH9/EX9.6/EX9_6.png b/3547/CH9/EX9.6/EX9_6.png
new file mode 100644
index 000000000..ede3ed1f4
--- /dev/null
+++ b/3547/CH9/EX9.6/EX9_6.png
diff --git a/3547/CH9/EX9.6/EX9_6.sce b/3547/CH9/EX9.6/EX9_6.sce
new file mode 100644
index 000000000..f0177eb77
--- /dev/null
+++ b/3547/CH9/EX9.6/EX9_6.sce
@@ -0,0 +1,24 @@
+// Example 9.6

+// Calculation of the ODTM to multiplex data.

+// Page no 411

+

+clc;

+clear;

+close;

+

+//Given data

+f1=10*10^9;

+f2=40*10^9;

+

+

+// The ODTM to multiplex data

+b1=1/(f1);

+b2=1/(f2);

+b1=b1*10^12;

+b2=b2*10^12;

+

+//Displaying results in the command window            

+printf("\n Bit interval for 10 Gb/s signal is  = %0.0f ps ",b1);

+printf("\n Bit interval for 40 Gb/s signal is = %0.0f ps ",b2);

+

+// The answers vary due to round off error

diff --git a/3547/CH9/EX9.7/EX9_7.png b/3547/CH9/EX9.7/EX9_7.png
new file mode 100644
index 000000000..206e1b6d8
--- /dev/null
+++ b/3547/CH9/EX9.7/EX9_7.png
diff --git a/3547/CH9/EX9.7/EX9_7.sce b/3547/CH9/EX9.7/EX9_7.sce
new file mode 100644
index 000000000..f7b4827e9
--- /dev/null
+++ b/3547/CH9/EX9.7/EX9_7.sce
@@ -0,0 +1,28 @@
+// Example 9.7

+// Calculation of the (a) the total data rate and (b) the spectral efficiency.

+// Page no 413

+

+clc;

+clear;

+close;

+

+//Given data

+M=16;

+np=2;              // No of polarization

+nc=24;             // No of channels

+bs=28*10^9;      // Symbol rate per polarization

+

+// (a) The total data rate

+B=bs*log2(M);

+T=B*np*nc;

+

+

+// (b) The spectral efficiency

+N=bs*nc;

+s=T/N;

+

+//Displaying results in the command window            

+printf("\n The total data rate  = %0.3f Tb/s ",T*10^-12);

+

+printf("\n The spectral efficiency = %0.1f b/s/Hz ",s);

+

diff --git a/3547/CH9/EX9.8/EX9_8.png b/3547/CH9/EX9.8/EX9_8.png
new file mode 100644
index 000000000..213637222
--- /dev/null
+++ b/3547/CH9/EX9.8/EX9_8.png
diff --git a/3547/CH9/EX9.8/EX9_8.sce b/3547/CH9/EX9.8/EX9_8.sce
new file mode 100644
index 000000000..1d293b6a2
--- /dev/null
+++ b/3547/CH9/EX9.8/EX9_8.sce
@@ -0,0 +1,28 @@
+// Example 9.8

+// Calculation of the number of subcarriers required to transmit information.

+// Page no 413

+

+clc;

+clear;

+close;

+

+//Given data

+M=4;

+np=2;              // No of polarization

+nc=24;            // No of channels

+bs=10*10^9;      // Symbol rate per polarization

+d=5000*10^3;     // Transmission distance

+b=22*10^-27;

+ts= 49.3*10^-9;

+

+// The total data rate

+B=bs*log2(M);

+T=d*b*%pi*bs;

+//L=T/(b*2*%pi*N*bs);

+N=(bs*ts)/2;

+

+

+//Displaying results in the command window            

+printf("\n The number of subcarriers required to transmit information = %0.0f ",N);

+

+// The answers vary due to round off error

diff --git a/3547/CH9/EX9.9/EX9_9.png b/3547/CH9/EX9.9/EX9_9.png
new file mode 100644
index 000000000..92bb28fd0
--- /dev/null
+++ b/3547/CH9/EX9.9/EX9_9.png
diff --git a/3547/CH9/EX9.9/EX9_9.sce b/3547/CH9/EX9.9/EX9_9.sce
new file mode 100644
index 000000000..a043f214f
--- /dev/null
+++ b/3547/CH9/EX9.9/EX9_9.sce
@@ -0,0 +1,46 @@
+// Example 9.9

+// Calculation of the (a) the signal power/subcarrier/polarization at the fiber output, (b) the data rate and (c) the spectral efficiency

+// Page no 414

+

+clc;

+clear;

+close;

+

+//Given data

+fl=0.19;            // Fiber loss

+fg=70;              // Fiber length

+nc=24;             // No of channels

+ip=2;

+bs=10*10^9;        // Symbol rate per polarization

+ts= 12.8*10^-9;    // Symbol period

+n=64;              // No of subcarriers

+np=2;              // Launch power to the fiber

+

+

+// (a) The signal power/subcarrier/polarization at the fiber output

+T=fl*fg;

+p=ip-T;

+p1=10^(p/10);

+s=p1/(np*n);

+//s=s*10^4;

+

+// (b) The data rate

+bs=1/ts;

+B=log2(n)*bs;

+bt=B*2*n;

+

+// (c) the spectral efficiency

+Tb=n*bs;

+se=bt/Tb;

+

+

+

+

+//Displaying results in the command window            

+printf("\n The signal power/subcarrier/polarization at the fiber output = %0.3f x 10^-4 mW ",s*10^4);

+

+printf("\n The data rate = %0.0f Gb/s ",bt*10^-9);

+

+printf("\n The spectral efficiency = %0.0f b/s/Hz ",se);

+

+// The answers vary due to round off error