Match-Mode Autoregressive Method for Moving Source Depth Estimation in Shallow Water Waveguides

Figure 4

Wavenumber spectrum estimation with an insufficient range span at 350 Hz. The wavenumber estimation methods in SAB with SNR = 20, 5, and -5 dB are shown in (a), (c), and (e), respectively. The wavenumber estimation methods proposed in this paper with SNR = 20, 5, and -5 dB are shown in (a), (c), and (e), respectively.

(a)

(b)

(c)

(d)

(e)

(f)