12相！12相误差模型Forward ModelExPort1Port2SumDX1+22m-EDE)-EL(2m-EXS12m-EX)ERTERTETTETTS21AETTb2Silaa1+E2mgE2m-ExmEsS22aERTERTETTETTb1Em-EXx+Smm-ED(Es-EL)ERTS12ETTERTS2la12mDEs)-L/2mxy/2m-XSiim-EDEsXI+Port1Port2(1+ERTERTERT'ETTETTReverseModelSA2m-EXSum-ED(Es-EL)b2atELETTERTEpS22S12aS116a2SIm-EDEsXI+22m-EDE57-EL'EL2m-Ex/12mx04ERT'ETTERTETTS12AETTExSitm-EDES)-Er'ES22m-EDS21m-ExS12m-ExX1+ERTERTETTETTS22gS21m-ExS12m-ExSim-EDEsXI+S22m-EDEL=fwdloadmatchEp=fwddirectivity(1+ESD-ELELERTERTETTETTErr=fwdtransmissiontrackingEs=fwdsourcematchEx=fwdisolationERT=fwdreflectiontrackingEL:=revloadmatchEp=revdirectivity4个校准后的S参数是测量S参数的函数Err=revtransmissiontrackingEs=revsourcematchEx=revisolationERr=revreflectiontracking
12相与8相误差模型间的联系10相8相S211a1mSza1mETFbmERR84b2bbzmaa1O+-OTYEoFSuSnEuFxEsFTEDREsFSnS22ESREDFbumazbiS12ERFbumbrS12a2BERelaa2mS21ERRb2a1bunTSurELRS2EORESRS21ERR/Bbaa1matb2O-TFbrmxTETRbya2YS121EsFEsR02mEDFSuS2EDRT,和TR:Switchtermsb1m(a2m)ba2S12BERE/a仅与内部端口switchtermsS21ERR/Ba(a1m)bb2m-有关，和线连YxTEDRSuEsREsFSnEDF接等导致的FRObimerrorbox无关ba2mS12a2βERE/a
16相与8相误差模型间的联系b.aamlS21e10e32S11S22eooe1le33e22a.oS12eoe23e10b.am2a2DUTeooere20e.DUTeotbbob.oSSSz1e30ELe12一般用T和S参数矩阵计算Sra.o-Da,[ba.eraboe33e22e31e02b3bT12es2TaoTab,ob3bza3a2