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+//ANALOG AND DIGITAL COMMUNICATION

+//BY Dr.SANJAY SHARMA

+//CHAPTER 11

+//Information Theory

+clear all;

+clc;

+printf("EXAMPLE 11.4(PAGENO 489)");

+//given

+Px_1 = 1/4//probability wrt to binary PCM '0'

+Px_2 = 3/4//probability wrt to binary PCM '1'

+

+//calculations

+Ix_1 = log2(1/Px_1)//amount of information of zero level with base 2

+Ix_2 = log2(1/Px_2)//amount of information of first level with base 2

+Ix_1= log(1/Px_1)/log(2)//amount of information content with base 10

+Ix_2= log(1/Px_2)/log(2)//amount of information content with base 10

+

+//results

+printf("\n\ni.Amount of information carried wrt to binary PCM 0 = %.2f bits",Ix_1);

+printf("\n\nii.Amount of information carried wrt to binary PCM 1 = %.2f bits",Ix_2);