initial commit / add all books

6 files changed, 37 insertions, 0 deletions

diff --git a/1574/CH15/EX15.1/BIT_Ex_15_1.sce b/1574/CH15/EX15.1/BIT_Ex_15_1.sce
new file mode 100755
index 000000000..9a60b6e55
--- /dev/null
+++ b/1574/CH15/EX15.1/BIT_Ex_15_1.sce
@@ -0,0 +1,10 @@
+clc

+//Chapter15

+//Example15.1, page no 533

+//Given

+P_A=0.5// probability of producing symbol 'A'

+P_B=0.25// probability of producing symbol 'B'

+P_C=0.25// probability of producing symbol 'C'

+H=P_A*log2(1/P_A)+P_B*log2(1/P_B)+P_C*log2(1/P_C)// the source entropy

+mprintf('The source entropy is: %f bits/symbol',H)

+

diff --git a/1574/CH15/EX15.1/Result_of_Chapter_15_Ex15_1.JPG b/1574/CH15/EX15.1/Result_of_Chapter_15_Ex15_1.JPG
new file mode 100755
index 000000000..4a02a8791
--- /dev/null
+++ b/1574/CH15/EX15.1/Result_of_Chapter_15_Ex15_1.JPG
diff --git a/1574/CH15/EX15.2/BIT_Ex_15_2.sce b/1574/CH15/EX15.2/BIT_Ex_15_2.sce
new file mode 100755
index 000000000..c0cf3bfc6
--- /dev/null
+++ b/1574/CH15/EX15.2/BIT_Ex_15_2.sce
@@ -0,0 +1,10 @@
+clc

+//Chapter15

+//Example15.2, page no 535

+//Given

+P_A=0.5,P_B=0.25,P_C=1/32,P_D=1/8,P_E=1/16,P_F=1/32// probabilities of producing respective symbol

+H=(P_A*log2(1/P_A))+(P_B*log2(1/P_B))+(P_C*log2(1/P_C))+(P_D*log2(1/P_D))+(P_E*log2(1/P_E))+(P_F*log2(1/P_F))// Source Entropy

+n=6,T=1

+mprintf('The source entropy is: %f bits/symbol',round(1000*H)/1000)

+

+

diff --git a/1574/CH15/EX15.2/Result_of_Chapter_15_Ex15_2.JPG b/1574/CH15/EX15.2/Result_of_Chapter_15_Ex15_2.JPG
new file mode 100755
index 000000000..c2deb8d6c
--- /dev/null
+++ b/1574/CH15/EX15.2/Result_of_Chapter_15_Ex15_2.JPG
diff --git a/1574/CH15/EX15.3/BIT_Ex_15_3.sce b/1574/CH15/EX15.3/BIT_Ex_15_3.sce
new file mode 100755
index 000000000..f510b94b1
--- /dev/null
+++ b/1574/CH15/EX15.3/BIT_Ex_15_3.sce
@@ -0,0 +1,17 @@
+// the Answer in the book is wrong.It is printed as 90.4 for SNR3 but it should be 100.59

+clc

+//Chapter15

+//Example15.3, page no 536

+//Given

+//a

+B1=4e3//Channel Bandwidth

+SNR1=31//Channel SNR

+C1=B1*log2(1+SNR1)//Channel Capacity

+SNR2=14//Reduced SNR

+B2=round(C1/log2(1+SNR2))//Bandwidth for reduced SNR with same Channel capacity

+

+//b

+B3=3e3//Reduced Bandwidth

+SNR3=(2^(C1/B3))-1//Signal Power for reduced bandwidth

+mprintf('a)\n  Channel capacity is: %d Kbits/sec\n    Bandwidth: %d KHz\nb)\n  SNR for 3KHz bandwidth: %f',C1*1e-3,B2*1e-3,SNR3)

+

diff --git a/1574/CH15/EX15.3/Result_of_Chapter_15_Ex15_3.JPG b/1574/CH15/EX15.3/Result_of_Chapter_15_Ex15_3.JPG
new file mode 100755
index 000000000..2a7168459
--- /dev/null
+++ b/1574/CH15/EX15.3/Result_of_Chapter_15_Ex15_3.JPG