function [measurement,mes_total]=f_receive_mes(kkdk)
% temp=k;
%  load('D:\work\多目標跟蹤(三維)\data.txt');%just for test
%  load all_mes_total;%just for test
%  %k=temp;
%  mes_total=all_mes_total(kkk);%just for test
%  l_start=sum(all_mes_total(1:kkk-1))+1;%just for test
%  l_end=l_start+mes_total -1 ;%just for test
%  measurement=Z_save(:,l_start:l_end);%just for test

load('D:\work\多目標跟蹤(三維)\tempmes.mat');%just for test
b = [3,3,3,3,3,3,1,1,3,3,3,3,3,2,3,3];
mes_total = b(kkdk);
l_start = sum(b(1:kkdk-1))+kkdk;
l_end=l_start+mes_total;
measurement = a(1:3,l_start+1:l_end);