| 摘 要： | 1.Introductionlmpedancerheogramisanewtechniqueforestimatingsomediseasesthroughmeasuringimpedancechangebyinjectinghigh-frequencyweakaIternatingcurrentintosomepartsofbody.Itoffersmanyadvantages,suchasnon-invasiveandconvenienttomeasure.Theuseofthetechniqueisgrowingrapidlyinclinicalstudy.Howeverbecauseofmanyfactorsincludingprincipaltheoryandmeasurement,agreatdealofinformationislostduringmeasuringimpedancechange.Atpresentthefactthatonlylimitedpartofwholeimpedanceinformationisused,willaffectthefurt…
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