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Improving the Autoregressive Modeling Method in Random Noise Suppression of GPR Data Using Undecimated Discrete Wavelet Transform

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Figure

Figure 1. Filter bank of the first order undecimated discrete wavelet transform [6].
Figure 2. Schematics of the delayed traces [7].
Figure 3. Flowchart for the main steps in the autoregressive vector analysis [11].
Figure 4. (a) Synthetic GPR section; (b) noisy section; (c) filtered by autoregression; (d) filtered by autoregression in the wavelet domain
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