[CV d_spline s2 edf] = smu_CV(time,d_data,.000075);

plot(time,d_data);
%axis([0.0 0.5 -0.00006 0.00006]);
axis tight;
hold on;
plot(time,d_spline,'g--');
hold off;
legend('experimental data','spline model');
xlabel('Time','FontSize', 18);
ylabel('Displacement','FontSize',18);