RFRFRF,R&S,2004RFRFRFR&SRF,R&S,2004RFRFRFR&SoRFoRFoRFoRFoRFRF,R&S,2004RFRFRFR&S1..2..3..RF,R&S,2004RFRFRFR&S1.2.1.2.RF,R&S,2004RFRFRFR&SRF?RF,radiofrequency,(),RF,RF,,,,RF,R&S,2004RFRFRFR&SOKCSERV69FBABCSTOCKHOLMTRAFFIC2RFRF,R&S,2004RFRFRFR&S3Hz-30kHzVLF30kHz-300kHzLF300kHz-3MHzMF3MHz-30MHzHF30MHz-300MHzVHF300MHz-3GHzUHF3GHz-30GHzSHF30GHz-300GHzEHF(AF)f1MHz(RF)f3GHzf40GHzf40GHzRF,R&S,2004RFRFRFR&S1.GSM/EDGE/GPRS2.CDMA3.WCDMA4.TD-SCDMA4.Bluetooth5.WLAN802.11a/b/g6.WIMAX802.167.PHS8.DECT9.analogwirelesscommunication,Walkie-talkieRF,R&S,2004RFRFRFR&SRF1..2..3.,RF.RF,R&S,2004RFRFRFR&SFDMATDMACDMATimeFreqTimeFreqTimeFreqRF,R&S,2004RFRFRFR&S3.,.fc*=1.,C3108/2.///,,,,.4.RF.RF,R&S,2004RFRFRFR&S1.RF502.753.,4.,R0RLRF,R&S,2004RFRFRFR&S1.BNC2GHz2.N18GHz3.SMA24GHz4.3.5mm38.8GHz5.2.92mm46.5GHz6.Female,Male,RF,R&S,2004RFRFRFR&SBNC-BNCN-NSMASMASMAN-BNCRF,R&S,2004RFRFRFR&SPLL:phaselockloop,.,,VCO..RF,R&S,2004RFRFRFR&SALC:autolevelcontrolAGC()ALC,.RF,R&S,2004RFRFRFR&S/dtetxfFftj2)()(--?=dfefFtxftj2)()(?=-RF,R&S,2004RFRFRFR&SV=A(t)cos[2f(t)+(t)]tAfRF,R&S,2004RFRFRFR&S1w=103mw=106wdBm=10lg(P/1mw)dB=10lg(P/Pref)1V=103mv=106v1kHz=103Hz1MHz=106Hz1GHz=109HzRF,R&S,2004RFRFRFR&S2RF,,,.RF,R&S,2004RFRFRFR&S,,RF,R&S,2004RFRFRFR&S3(AM,FM,PM,Pulse)(ASK,FSK,PSK,QAM,OFDM)AM,PulseFMPMV=A(t)cos[(t)]V=A(t)cos[2f(t)+(t)]RF,R&S,2004RFRFRFR&SAMUMod(t)=UC(t).cos(C(t).t+C(t))AMRF,R&S,2004RFRFRFR&SFMPhMUMod(t)=UC(t).cos(C(t).t+C(t))MFMftRF,R&S,2004RFRFRFR&SI/Q1.IQ2.3.,4.IQ5.IQ,6.IQLOLOI-ChannelQ-ChannelRFRFRFIn900I-SignalQ-SignalRFOutRF,R&S,2004RFRFRFR&SUMOD(t)=?C(t)cos[Ct+C(t)]AMASK011100RF,R&S,2004RFRFRFR&SUMOD(t)=?C(t)cos[Ct+C(t)]FMFSK1110000,RF,R&S,2004RFRFRFR&SMSK111000fCData1=+?fData0=-?fRF,R&S,2004RFRFRFR&SQI+90-90?C==??fBit?TBit2?fC=?fBit24?fC=?fBit14m===0.5?fCfm??fBit??fBit+901-900MSKRF,R&S,2004RFRFRFR&SMSKRF,R&S,2004RFRFRFR&SGMSK:MSK,,.:GSMRF,R&S,2004RFRFRFR&SPSK0000111MUMOD(t)=?C(t)cos[Ct+C(t)]10,,.RF,R&S,2004RFRFRFR&S010TBitt-fBit+fBitfCfBit=180=0QIBPSK0,0,180,1..RF,R&S,2004RFRFRFR&SBPSKRF,R&S,2004RFRFRFR&StSymbolTime2?TBit11011000fC-?fBit12+?fBit12?fBit12fIQ10001101QPSK0,0,180,1..RF,R&S,2004RFRFRFR&SQPSKRF,R&S,2004RFRFRFR&S????????????????IQ16QAMLinearAttenuatorLinearAttenuator0/1800/180I-ChannelQ-ChannelRF-OutRF-In090QAM:,410bit16QAM~1024QAM:WLAN802.11,DVB-CRF,R&S,2004RFRFRFR&SOFDMfOFDM:orthogonalfrequencydivisionmultiplexing10011111101010:,:WLAN802.11a/g,Wimax,DVB-TRF,R&S,2004RFRFRFR&STBitTBittTBitTBittTBitTBittS1(t)S2(t)=S1(t)+h(t)h(t)H(f)IdealLowpassBN=?fBitGaussianB?TBit=0.3B3dBbandwidthTBit=fBit1BN?fBit?fBitfH(f)10.70.5fH(f)10.5fH(f)1cos2Rolloffr=0.5...........0.3RF,R&S,2004RFRFRFR&S4.RF1.2.3.4.ACLR5.6.7.EVM8.(,,)9.(S)10.,TOI,P-1,11.RF,R&S,2004RFRFRFR&SRF,R&S,2004RFRFRFR&S?RF,R&S,2004RFRFRFR&SRF,R&S,2004RFRFRFR&SRF,R&S,2004RFRFRFR&S,fn1HzPnPsdBc/Hz@fnoffset,-135dBc/Hz@10kHzRF,R&S,2004RFRFRFR&SACLRACLR,.RF,R&S,2004RFRFRFR&SCP=dBmCHBW=kHzRBW=kHzkn=RBWN=Pi=idBmai(RRC)=I3GPPRRCdBRF,R&S,2004RFRFRFR&S//(QPSK)RF,R&S,2004RFRFRFR&SEVM:ErrorvectormagnitudeIQRF,R&S,2004RFRFRFR&SRFRF,R&S,2004RFRFRFR&SP(t)Pe(t)PEPPavgP(t)Pe(t)PavgPEPRF,R&S,2004RFRFRFR&SPpPavgPp=___(tp/T)RF,R&S,2004RFRFRFR&ScrestfactorW-CDMA3.84MHzbw10dBRF,R&S,2004RFRFRFR&Sr,(90dB)r(160dB)RF,R&S,2004RFRFRFR&S?S-?????IP2,IP3????()3?3???PowerS211dBS21S12S11S22IFLOLSBUSBRF,R&S,2004RFRFRFR&SRFRF,R&S,2004RFRFRFR&SFSSSRF,R&S,2004RFRFRFR&SFSSSRF,R&S,2004RFRFRFR&SlSmithlSmith11l10lSmithRXlSmithlSmithlSmith1RF,R&S,2004RFRFRFR&SA(t)=a0+a1*A(t)+a2*A2(t)+a3*A3(t)+...RF,R&S,2004RFRFRFR&SRF,R&S,2004RFRFRFR&S|m?fLOn?fRF|=fIFfLOLOfRFRFfIFmLO(m=1,2,3...)nRF(n=1,2,3...)RF,R&S,2004RFRFRFR&S3?3???2xf1-f2f1f22xf2-f1frequencyRF,R&S,2004RFRFRFR&S(S.O.IT.O.I)RF,R&S,2004RFRFRFR&S1-dBPoutPin-1dBidealrealRF,R&S,2004RFRFRFR&SFIEEE:ooiiNSNSF//=-120-100-80-60-40fo-120-100-80-60-40fo(dBm)DUT(dBm)NaSi/NiS0/N0kT0BkT0BG+NaGRF,R&S,2004RFRFRFR&S6.RF1.2.RF,R&S,2004RFRFRFR&S1.2.3.4.5.6.7.RF,R&S,2004RFRFRFR&S()RF,R&S,2004RFRFRFR&SRF,R&S,2004RFRFRFR&SRF,R&S,2004RFRFRFR&S1,2,3RF,R&S,2004RFRFRFR&SRFRF,R&S,2004RFRFRFR&S12.75GHzRF,R&S,2004RFRFRFR&SRF,R&S,2004RFRFRFR&S1.2.3.4.5.RF,R&S,2004RFRFRFR&S/1.DUT2.:/=(f0-f1)/f03.:ppm=10-64.fAf0f1RF,R&S,2004RFRFRFR&S/1.2.,3.maxholdf0f1f2RF,R&S,2004RFRFRFR&S/OBW1.OBW:occupiedbandwidth2..3.99%1%.4.OBW99%.5.OBWRF,R&S,2004RFRFRFR&SOBWRF,R&S,2004RFRFRFR&SRF,R&S,2004RFRFRFR&S1.2.3.DUTLoadNRTNRT-Z44ForwardpowerReversepowerRF,R&S,2004RFRFRFR&S1.,.2..3..4..5..6..7..RF,R&S,2004RFRFRFR&SR&SSMU200A:,,20Gb,.,,,.RF,R&S,2004RFRFRFR&SR&SFSP/FSU:,WCDMA/CDMA/GSM/WLAN/Bluetooth.TOI,,.RF,R&S,2004RFRFRFR&SR&SFSQ:FSP/FSU,,//,28MHz,.RF,R&S,2004RFRFRFR&SR&SNRP:/BURST/,4,,90dB.RF,R&S,2004RFRFRFR&SR&SZVB:2/3/4S.,,,.RF,R&S,2004RFRFRFR&S!