Performance Evaluation of Azimuth Offset Method for Mitigating the Ionospheric Effect on SAR Interferometry

Figure 8

(a) Unwrapped phase for interferometric pair 1 in Table 1, where the red triangle shows the reference point; (b) unwrapped phase for interferometric pair 2; (c) ionosphere-corrected unwrapped phase for interferometric pair 2; (d) phase difference between (a) and (b); (e) phase difference between (a) and (c); (f) the phase values in the profile A-A′ of (a)–(c).

(a)

(b)

(c)

(d)

(e)

(f)