375615.fig.003a
(a) Iterative correction
375615.fig.003b
(b) Projection onto - plane
375615.fig.003c
(c) Projection onto - plane
375615.fig.003d
(d) Projection on to - plane
Figure 3: An illustration of the progression of first-order iterative corrections using six observations at = 2, 7, 12, 17, 22, and 27.