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% Barker.m: gives the various Barker codes

% GUISDAP v.1.60 96-05-27 Copyright Asko Huuskonen and Markku Lehtinen

%

% function to give various Barker codes

%

% function code=Barker(Nbits);

function code=Barker(Nbits);



if Nbits==3

  code=[1 1 -1]';

elseif Nbits==4

  code=[1 1 -1 1]';

elseif Nbits==5

  code=[1 1 1 -1 1]';

elseif Nbits==7

  code=[1 1 1 -1 -1 1 -1]';

elseif Nbits==11

  code=[1 1 1 -1 -1 -1 1 -1 -1 1 -1]';

elseif Nbits==13

  code=[1 1 1 1 1 -1 -1 1 1 -1 1 -1 1]';

elseif exist('FIRcode')

  code=col(FIRcode(Nbits));

else

  error(sprintf('%.0f bit Barker code not available',Nbits))

end