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+//clear//
+//Caption:Convolutional Encoding – Transform domain approach
+//Example8.8:Convolutional code - Transform domain approach
+clc;
+D = poly(0,'D');
+g1D = 1+D+D^2; //generator polynomial 1
+g2D = 1+D^2; //generator polynomial 2
+mD = 1+0+0+D^3+D^4; //message sequence polynomial representation
+x1D = g1D*mD; //top output polynomial
+x2D = g2D*mD; //bottom output polynomial
+x1 = coeff(x1D);
+x2 = coeff(x2D);
+disp(modulo(x1,2),'top output sequence')
+disp(modulo(x2,2),'bottom output sequence')
+//Result
+//top output sequence   
+//    1.    1.    1.    1.    0.    0.    1.  
+// 
+// bottom output sequence   
+//    1.    0.    1.    1.    1.    1.    1.