By employing the capacitance and conductance arrays , the multiphase flow velocities are obtained by cross - correlation technique and a practicable method of the cross - correlation calculation based on the digital signal processing technique is discussed in detail 利用電容電導(dǎo)陣列實(shí)現(xiàn)了多相流的相關(guān)測(cè)速,并給出了實(shí)用的基于數(shù)字信號(hào)處理技術(shù)的相關(guān)運(yùn)算方法。