From f35ea80659b6a49d1bb2ce1d7d002583f3f40947 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:38:01 +0530 Subject: updated the code --- 851/CH7/EX7.3/Table7_3.sce | 74 +++++++++++++++++++++++----------------------- 1 file changed, 37 insertions(+), 37 deletions(-) (limited to '851/CH7') diff --git a/851/CH7/EX7.3/Table7_3.sce b/851/CH7/EX7.3/Table7_3.sce index ec59df5cf..c6e943d10 100755 --- a/851/CH7/EX7.3/Table7_3.sce +++ b/851/CH7/EX7.3/Table7_3.sce @@ -1,37 +1,37 @@ -//clear// -//Caption:Illustrating the generation of DPSK signal -//Table7.3 Generation of Differential Phase shift keying signal -clc; -bk = [1,0,0,1,0,0,1,1];//input digital sequence -for i = 1:length(bk) - if(bk(i)==1) - bk_not(i) =~1; - else - bk_not(i)= 1; - end -end -dk_1(1) = 1&bk(1); //initial value of differential encoded sequence -dk_1_not(1)=0&bk_not(1); -dk(1) = xor(dk_1(1),dk_1_not(1))//first bit of dpsk encoder -for i=2:length(bk) - dk_1(i) = dk(i-1); - dk_1_not(i) = ~dk(i-1); - dk(i) = xor((dk_1(i)&bk(i)),(dk_1_not(i)&bk_not(i))); -end -for i =1:length(dk) - if(dk(i)==1) - dk_radians(i)=0; - elseif(dk(i)==0) - dk_radians(i)=%pi; - end -end -disp('Table 7.3 Illustrating the Generation of DPSK Signal') -disp('_____________________________________________________') -disp(bk,'(bk)') -bk_not = bk_not'; -disp(bk_not,'(bk_not)') -dk = dk'; -disp(dk,'Differentially encoded sequence (dk)') -dk_radians = dk_radians'; -disp(dk_radians,'Transmitted phase in radians') -disp('_____________________________________________________') +//clear// +//Caption:Illustrating the generation of DPSK signal +//Table7.3 Generation of Differential Phase shift keying signal +clc; +bk = [1,0,0,1,0,0,1,1];//input digital sequence +for i = 1:length(bk) + if(bk(i)==1) + bk_not(i) =~1; + else + bk_not(i)= 1; + end +end +dk_1(1) =bool2s( 1 & bk(1)); //initial value of differential encoded sequence +dk_1_not(1)=bool2s(0& bk_not(1)); +dk(1) = bitxor(dk_1(1),dk_1_not(1))//first bit of dpsk encoder +for i=2:length(bk) + dk_1(i) = dk(i-1); + dk_1_not(i) = ~dk(i-1); + dk(i) = bitxor(bool2s(dk_1(i)& bk(i)),bool2s(dk_1_not(i)& bk_not(i))); +end +for i =1:length(dk) + if(dk(i)==1) + dk_radians(i)=0; + elseif(dk(i)==0) + dk_radians(i)=%pi; + end +end +disp('Table 7.3 Illustrating the Generation of DPSK Signal') +disp('_____________________________________________________') +disp(bk,'(bk)') +bk_not = bk_not'; +disp(bk_not,'(bk_not)') +dk = dk'; +disp(dk,'Differentially encoded sequence (dk)') +dk_radians = dk_radians'; +disp(dk_radians,'Transmitted phase in radians') +disp('_____________________________________________________') \ No newline at end of file -- cgit