Phase shifting of waveforms

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type

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455139, 455209, 367128, 343100SA, 329122, G01V 100

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active

043675425

ABSTRACT:
A signal having the form cos (.OMEGA.t+.phi.) where .OMEGA. is the frequency of the signal and .phi. is a phase angle which may be zero is phase shifted to improve the results of the summation of such a signal with other signals having the same form but different phase angles.

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