seq1=[m_sequence1(45) 0];
a=walsh_seq(8);
seq2=[a(1,:)];
ind1=find(seq1==0);
seq1(ind1)=-1;
seq3=zeros(1,length(seq1)*length(seq2));
for k=1:length(seq1)*length(seq2)
seq3(k)=seq1(fix((k-1)/length(seq2))+1)*seq2(mod(k-1,length(seq2))+1);
end
ind2=find(seq3==-1);
seq3(ind2)=0;