% Cross generatorn = 1:1500-1;x1 = cos((3*pi*n/10) + (pi*n.*n/10000));x2 = cos((6*pi*n/10) - (pi*n.*n/10000));x = x1 + x2;x1 = x1(201:1224); x2 = x2(201:1224); x = x(201:1224);