drawpar.m

自举粒子滤波器和改进后的自举粒子滤波器的比较应用

function xnext = drawpar(xprev, stdw, k)
N = length(xprev);
for i=1:N
xstate = xprev(i)/2 + 25*xprev(i)/(1+xprev(i)^2) +8*cos(1.2*(k));
xnext(i,1) = stdw*randn + xstate;
end