《电子测量与仪器》陈尚松版课后习题与答案

1nn(xx)；2ii1s(x)；ns(x)nn1ns(x)(xx)2。n1ii1ixii3sxiisnn()kxi差。maxfmyxxjj1jlnfmxxyjj1jucU、变ABABAuAA；xBRVRIIIVV））图题图V(RR)IRRxR'xvvRRxIIXvR2R'RXRRxxXVRR11001000100％r=R0XR0RR0R1VXXXVR在RRRRvXXv(RR)VIRRRRRRR''xIxxIIxIxIRR0r0IR0R0RXX在RRRIXXBΩ，BU?ARUIARUIARΩA1IERVBER20k9.6VBUR25k20kAR12ERR20k20kUUARRR25k20k20kAI12I1210k8.0V5k10kU8.09.6xUx20%U的示值相对误差A8.0U8.09.6U的实际相对误差为17%A9.6UAAEARRRRR20kUUA25k20kI12I125k19.6k19.6k9.56VU9.569.6U的示值相对误差0.42%A9.56UxxU9.569.60.42%UA9.6UAA；，L2%10H5H0.2H5H5.2HL5.2H52%L10HLL2%800H5H16H5HHLH2.6%L800HLL2%20mH0.5%110mH0.4mH0.55mH0.94mHL0.94mH4.7%L20mHLL2%100mH0.5%110mH2mH0.55mH2.55mHL2.55mH2.6%L100mHL2%L5HLHL，，111LL2%L0.5%LL，，222LLH级级级级55级2级2级1级2级?1516.7%30%90Ux123456789U)UsU。xUx1U0.001624917)i11234567893残差(10V)110sU)UiU)29i11(((]0)2222222222329i1131.360.3657.7692.1688.3612.9621.1640.962.56])329i119353.40.006V6812345678sI(I)s(I)。18I0.00182)8i112345678）318s(I)(IiI)27i118[((2.91.9(8.9((])22222222327i118[0.019.618.413.6116.8179.2137.21)327i11154.880.005mA67s(I)s(I)88。12：18f100.000.01129)8i112345678）3842178(f)(fif)s211i1188((((2)4(4)])22222222227i11864259141616])227i1147216f100.000.01229)6i1123456）16(f)(fif)s2522i116[2.34.3(2.7)(1.7)1.3(1.7)])222222225i116[5.2918.497.292.891.692.89])225i1138.54452100.330100.307mxis20.045210.02712得fi100.31xi11m0.04520.0272s2i1i。，t16x(4.31.72.93.44.62.7)1463.36i1x123456156s(x)(xix)2i116(1.6)(0.4)0.11.3(0.6)]2222225i11.07s(x)1.07s(x)0.466t及[xts(x),xts(x)]ts(x)2.5710.41.0L。，k1E(X)(X)PXdx()100%()PX，baE(X)(X)1abbE(X)xP(X)dxxdx，ba2a1ba)b[xab2(x)[xE(Xp(X)]2，222baababa(x)23ba2k2k(X)k23E(X)(X)P(X)100%k3baba3E(X)(X)123456789Ω1R(0.98i146.933Ω123456789Ω37残差10Ω1910s(R)(RiR)2i1110[47((7((])2222222222329i10.049Ω2.410.123R581946(0.980.970.960.960.950.920.940.93R9i146.947Ω19()sR[47(7((])222222222328i10.023ΩGs2.320.0230.053RRl2?＝RR15062212R串12R(RR)(RR)(RR)RR串112212120.5620.4%0.50.248＝R＝0.748＝0.35%串212R串R串RR1R并43.92RR12lnRlnRRRlnRRlnlnln()RRR并并RR并12并1212121111RRrRRRR并RR12112212RRRR0.52＋(211RRRRRR121122620.00331500.4%0.20460.6＋＋0.38%212212212212RR12x，xfx1fx1100.001909070605040303530)10110.0545110.054123456789110.050110.090110.090110.070110.060110.050110.040110.030110.035110.030-145-245-195-245410kHzn/2nDiii1in/21[((||44n10.001350.00090.000750.00485ii1i1n1(355355355((((108ii1i1-15975108-80.0035110(fx)(fif)2s29i1110[(355((])2222429i11104024701089i10.0005ns2(x)90.00050.0015n1vv0.0035ns2(x)0.0015ii1i1U?UBAAAB0UB0B为A为％UA1.0.1%0.5%190U0A3.6%A3.6%1.2%Um314LLd，2dRRlnlndlnRLdRL4Lln2lndRlnL2lndlnRLdR2LdRdRC3CRxC422C％，R43xRCCR3C4C2342lnRxlnRlnClnC342RCC342RCC3421%2%(8%123456789110UU10ii11U30.000.01(4749516050484943521030.49430.49nUUv0v。iiii11234567896310V1v:s2i1i1s[(24)2(4)2262(44)2]3)29i10.0460Vvsi:UUks(30.490.14)Vk3）Vful,ub,ucV的f2nuu由22xccyi1ifffu()()()2c(y)222lbhbh)lh)lb)222bhlhlb222222ur,uhVrhVf2nuu由22cyxci1ihffu()()2c(y)22rh(2rh)r)222rhr22224A123455411123452122Nuu11244232i14(23)4u28.5CA11244A2uNAi5104161i1iU；；；。3；。2。设RR，xN123456789Ω在R，11000.2%R10.123自由度1R2(R)D0.15RsDRs(R)0.15m2Dn19自由度2RR12RRR0.120.150.19212222cR4(0.19)4(0.12)(0.15)22cR41R42445091222查tt(22)2.080。=cx和yii4x(ya)0）iii(ya)0）ii）::yxff12以f和ff121f=ff0122.0000MHzk050005103400Hzf14.5000MHzk01.82.4996MHz可变外内电源高频信号发生器原理框图VC11ffCCk＝＝2maxminminmaxminmax60MHz8Hzk7.5kk，而nk7.5n40.9klg1.811f＝min8MHzL1.979H由LCL200pF0maxLkn12LnLHLHLH121放大脉冲信号发生器的基本组成）30MHz300kk，kn100KHzkn7.480.9k0.92.4专时N滤波机f0f0flf01)f3f2N2图3.37题3.12图Nfff）1103ff23100N2NffNf22011N~N~）12fff5601056505.650201fff101006010.060201和1ff1020frf0f0n0rHm―）frrHMf0）fr2M(+)2IN图3.38题3.13图fffmrnff））r0rnm0nmaxffffNrfffr0rH1rPNPPmax1ffN，ff，f11r1N1r111ffffN1fNf(fN)(fN)fN1，f1011r1r10NNNNr20r22r22r222222kHz~1100)f0100kHz(720~1000)10kHz1000f0L100kHz720MHz10kHz1100f0H100kHz100010kHz1100Hz10sA128D7～0A70G810248.192b81000fcA：125ffffffA31A30A1AAc30517.578125c1c2c31c3222222201230.518KHzRR=∞RRHiHHi；；iVL～图3.39题3.16图当RHi当R=R=HH当RRRRRRHiHiHi第四章：时频测量NfxT1f1f()cxffTxfxcT11UfxncTfUTfncxxcmTfxVV。mn1n91t110－51）9Δt＝±1××60×60×24＝8.64×＝9t9年9ls45?N11NfTxNN1fTx14510.019%0.00095%fT20fT20xx7fx于和1N112726251NfT51xN111NfT50.1xN111NfT5xfff8ccc间fxfxf1f()c1xfTfsfxxcf1(5)1.5）87x16fxf1(5)）84x13fxfff8cccT1f1()(c5)84xTf6Tfn6xxCcfx1T1UUxn2Tnxm20lgU20U10mmnUUnT111xT2xT11xT2xkTfNxcN1000005000000k1Tfxffcc50cNTN0.003sxfccfcc为1f1T1fTx，xxx10TfffTxTfTnxxxCxx1110ffnxCTfTnnMxCC4316KHzf1Mf66cc7cc7cc1166xffxxc11））7xffxc117xffxcfFfn00011n5nsxx12xx图4.51题NT(xy)TTx011T0)1.99610-9s1.996ns5105.0110x66第五章电压测量αUi是ttUOt1图5.70习题5.3图UKUUV因为U~F~KF~KUUU/K即UKUKKU，FPPPFPP1，峰值为U。PKU1VU1V，U。UFPKUFU1.73。PUOtUpVPV51.11V1.111.11V1.111.11V1.111.113.54Vpkk1.112f~P~V51.115.55Vpkk11fiiV51.112.79Vpkk1.151.75fVP23.54VVk5VV3.54V：p2PV55V5pk1iV2.89VVp3kPVP21.11V对均值表：有VKKVKVF，即VPKPFPPVKKVP1.11VP2F2KKF即P2UfscNUNT1x2l间T2U6.0000UNNsx212.5000N260000N2NTNT0.08s800.033s10.7511CfCNfTNT20.7522CCUoSSSS10123tS131tS342tS453tSSSS560312SSA03U/V0S0A+15+10S1CR+500V102030405060t1t2t3t4t5t6－＋0－5+10V+5VS3t/ms+5V－10－15图5.71题5.9图1ttt22RCo36iiV；VV100Vdt5100dt15Vt31it10t4it30t5it404V5Vo5图UrO7rOt/ms11VVTT)