function StatDeviation(rVolt,SEVolt,rVAngel,SEVAngel,sigma)
t1=[rVolt;rVAngel];
t2=[SEVolt;SEVAngel];
t3=sum((t2-t1).^2)/length(t1);
t3=t3.^0.5;
fprintf('状态量统计误差 %f\n',full(t3));
t1=[rVolt];
t2=[SEVolt];
t3=sum( ( (t2-t1)./(rVolt.*sigma) ).^2 )/length(t1);
t3=t3.^0.5;
fprintf('量测量统计误差 %f\n',full(t3));
end