10 A Novel High-Efficiency Keyhole Tungsten Inert Gas …
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Fig. 10.15 Power spectrum of signals collected during testing with a welding current of 500 A by
Ti [31]
Fig. 10.16 Power spectrum in the range of 2–4 kHz of current signals in the testing by Ti [31]
335
Fig. 10.15 Power spectrum of signals collected during testing with a welding current of 500 A by
Ti [31]
Fig. 10.16 Power spectrum in the range of 2–4 kHz of current signals in the testing by Ti [31]