function  y = SignalDelay(x,delayCnt,paramSet) 
   allCnt = length(x);
   y = zeros(1,allCnt);
   y = x;
   if(delayCnt <=0 )||(delayCnt>=allCnt)
      error('size of the deleyCnt is not right');
   else
       for i =1:delayCnt
           y(i) = 0;
       end
       for i = delayCnt+1:allCnt
           y(i) = paramSet*x(i - delayCnt );
       end
   end