Research Article

Feature Extraction of Double Pulse Metal Inert Gas Welding Based on Broadband Mode Decomposition and Locality Preserving Projection

Figure 7

The time-domain waveforms of simulation signal y(n) and its components. (a–c) The mixed signal y(n) as SNR = −10, −5, and 0, respectively. (d) The square component of y(n). (e–g) The noise components of the signals shown in (a), (b), and (c), respectively.
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