用extract phase造句子，“extract phase”造句

Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.

The CHCl3 extract phase of ethanol extractive is effective with tumor, and it also shows some of the dose correlation.

Digital correlation method was used to extract phase information as the phase information of eddy current testing signals could reflect the characteristics of detecting system.