• 11.92 MB
  • 2022-04-22 11:15:57 发布

工程电磁场与电磁波基础_张惠娟_课后答案[1-6章].

  • 75页
  • 当前文档由用户上传发布,收益归属用户
  1. 1、本文档共5页,可阅读全部内容。
  2. 2、本文档内容版权归属内容提供方,所产生的收益全部归内容提供方所有。如果您对本文有版权争议,可选择认领,认领后既往收益都归您。
  3. 3、本文档由用户上传,本站不保证质量和数量令人满意,可能有诸多瑕疵,付费之前,请仔细先通过免费阅读内容等途径辨别内容交易风险。如存在严重挂羊头卖狗肉之情形,可联系本站下载客服投诉处理。
  4. 文档侵权举报电话:19940600175。
'欢迎光临阳光大学生网,提供最全面的大学生课后习题答案和复习试题免费下载,http://www.sundxs.com/阳光大学生网我们希望呵护您的眼睛,关注您的成长,给您一片绿色的环境,欢迎加入我们,一起分享大学里的学习和生活感悟,免费提供:大学生课后答案,大学考试题及答案,大学生励志书籍。 21-1(xy)zM(1,0,1)2z(xy)231-2uxyyzA2ex2eyezu(2,1,1)A1A3M2321-4ux,y,z)3xyyzuM(1,2,1)u12ex9ey16ez21-5u(r,,)cosu2r42u3coser3sinerr231-11Axexyey(3zx)ezAM(1,0,1)M(1,1,1)A55AAeeyy1-16(1)AA1sinerA1coseA2ezA1A2(2)AA0erA0a)b) 2xU2-3(x)xV0d2xUEex()exV/mx0dEx22D0E00()2C/mx02-4a(1)z(2)a0a(3)a0a?(1)rdrdq2rdr2-5(1)PzdqzrdrdqdER3234(r2z2)20(r2z2)20zPozardrzEz3(1)a202220(r2z2)20az(2)a0Ez(11)020aEz(10)20202q(3)qaa0Ez240za0Ez02-5E(yz2x)exxzeyxyez(1)(2)212xxyzr2-7a0e001r1r01r1rEi(ree)erEo(aee)er0raaa0raaa3E0r2-8E3er,(0ra,E0)(r)aD0E1211AA2rArsinArrrsinrsin2125E0rDE2rEr3rra 2-9a2Arr(1)erra32aE2Ba2erra0rA,B25rA(1),raB,ra23a2-11DdSD0SezezD0S(ez)(ez)2D0SSSD0D|D|()0z00z022D02ezz0D20(ez)z02qr2-12er40r2r0(r)r00r0(1)qr1Eere2err4rr0(2)r0212qrDE2rErerr4rr0rSSQ2rQ0EdS0E(r)4rq(1r)eSSQrr2q2rQdV()de4dq(1r)eqV004r0q0q0QQq2EEEE2-13a6310V/m2a36qmax10Cmax3a10V3 2-14abAAba2rA(ra)A(ba)q4A(ba)E12erE22err0r22-15ab0C/mU03.3baU02243340rE4a(ra)0(arb)323a0aE(r)(r)(arb)2322-150r0rbba2a3a(ba)b2a2a2(ba)UErr0rr00()d[2(2)]d[]aa0r30r0b302b0bU0022(bab2a)a(ba)6abba2a3a2(br)b2r2a3(br)(r)E(r)dr[0(r)]dr0[]22rrr30r0br302br022-160C/m,abc(cba)2.6a0b0a03.6(b)bbb0aaa00ccc2-16Pr,r"rb 2222b00bra00ar"E1er2,E1"er"220r20r20r"20r"P22brar"EE1E1"(22)20rr"rbraP222rraar"E2er,E2"er"220r2020r"20r"P20ar"EE2E2"(r2)20r"raP22r00rr"00r"E3er,E3"er"20r2020r"20PEEE"0(rr")0c3320202-17baUbEminaEminaalE(r)l20rbbbUEdrldrllnaa20r20a20Ulln(ba)UE(r)rln(ba)raUE(a)aln(ba)E(a)aE(a)1ln(ba)1022aaln(ba)ln(b/a)1bbae2.718eUEminU2.718bb EminK2-18RPerK(1)r(2)(3)PpPpPenD0EPD(1)1d21d2KKpP2rPr2r2rdrrdrrrrRKpPenPrrRR(2)D0EPPE01d21d2KD2rDr2rPr2rdr0rdr0rKR124RKqd4rdr20r00(3)PKE1er(rR)0(0)rqRKE22er2er(rR)40r0(0)rRRKRK1EdlE1drE2drdr2drrrRr(0)rR0(0)rKRKln(rR)(0)r0(0)RKRK2E2dr2dr(rR)rr()r0(0)r00P2-19xK(1x)Kx0xdUKCln(1d)2-20r1r200KKr E0e00001010rpp(r1)p(r2)2K2Kr2Kr12r2K2-21E0dr41(1)451(2)1(1)Etan010tan122E10tan210111tantantan144E(2)E000E0nEn0E0cos1En3.92-2101EnE0cos1E0cos1443p(0)En0E0cos140.7280E043p(0)En0E0cos140.7280E042-22r12r23z01E12yex3xey(5z)ez2E2D2z0(E1E2)ez0(D1D2)ez02E2D2z02E2(x,y,0)E2x(x,y,0)exE2y(x,y,0)eyE2z(x,y,0)ezD20r2E230E2z0(E1E2)ez0(D1D2)ez02yex3xeyE2x(x,y,0)exE2y(x,y,0)ey25030E2z(x,y,0)E2x(x,y,0)2y,E2y(x,y,0)3x,E2z(x,y,0)1032E2D2z0E2(x,y,0)2yex3xey(103)ezD2(x,y,0)0(6yex9xey10ez) 2-24x0xaxx00x0a)20C/mxx0xx0xx02d1(x)20(0xx0)dx2d2(x)20(x0xa)dx1(x)C1xD1(0xx0)2(x)C2xD2(x0xa)1(x)2(x)1(0)0,2(a)02(x)1(x)01(x0)2(x0),[]xxxx00D10yC2aD20C1x0D1C2x0D2()x()x12CC02100oxx00(x0a)C1,D100a0x00x0C2,D20a02-240(ax0)1(x)x(0xx0)0a0x02(x)(ax)(x0xa)0ad1(x)0(ax0)E11(x)exex(0xx0)dx0ad2(x)0x0E22(x)exex(x0xa)dx0a2-27ab12q(1)(2)(3)12E1E2D1D2r(arb)E(1) 2DdS2r(D1D2)q(arb)bSDEDEEEE1a11122212q2E(r)er(arb)22(12)rqb1q(br)(r)dr(arb)2()rr22()br2-271212(2)(10)q(20)qP1(10)E12erP2(20)E22er2(12)r2(12)r(10)q1d21(20)q1d21p1P12(r2)0,p2P22(r2)02(12)rdrr2(12)rdrr(10)q(20)qpb1P1errb2,pa2P2erra22(12)b2(12)a(10)q(20)qpb1P1errb2,pb2P2errb22(12)b2(12)bp12(P1P2)e0(3)1q2qa1E1erra2,a2E2erra22(12)a2(12)a1q2qb1E1errb2,b2E2errb22(12)b2(12)bDED11E1D22E2E1E2E2-28x0xay00,yb0220,0xa,0yb22xy0,x0,0yb0,xa,0yb0,y0,0xaz,yb,0xaay012y2-30aaxxya1(x,y,a)U0sinsin(0xa,0ya)ab2-30xy2(x,a,z)U0sinsin(0xa,0za)abU0 U0xy2zz2y(x,y,z)sinsinsinhsinsinhsinh(2)aaaaa2-31qmhq3(m210kgh0.02m)2qmg240(2h)28q160hmg5.910C2-3210220q1q22h(1)q1(2)q1q1q2q1q1hAhh112=+212hhhq2qqq2121214q1q1q1q1q1q1q112332112q2q2q2q2q2q2q22133q1q1q24q1q2A41(h/2)41(3h/2)91h2q1q2q1q2q12q1q2Fq1q1Eq1q1229h41(2h)481h12-33Rqqq-qhhbbh+q-q2RRb,qqhh2qqqqqRhRh1FqqEq222222222240(hb)(hb)(2h)40(hR)(hR)4h 2-38RqbbRqq1qq2qqq1q2q2qq1q1q1tq1td2dRbqq1tq1tdRq1tqqRbqq1tqq1tq2q22-41aq(1)E(2)(3)Emaxao00ar(a)(b)2-411ErErar9EdS2qEdSErodS4rEroS0qEro240rqEo2er(ra)40rrar2qEdSEridS4rEriSq34343qqrqrr()33334a/3aqrqrEri3Ei3er(ra)4a4ara qqErimax2Eromax24a40a12q(0)rP(0)Ei3er4a123(0)qpP2(rPr)3rr4a(0)q0(EE)prorira4a2321212q11WeEidV10EodV22V12V28a502-42ab020bWln4aE0(arb)2r2212bbWEDdVE2dV(0)2dr0ln222a2r4a2-43ab(ba)Vab2(0)VFblnaVErbrlna11bE22rz()zV2W()E2dV00(0)drdz2v2ab220b(ln)rlnaa2W(0)VFzbVconstlna 2-44mABl0l1l2(KKg/m)BmgTKmgTK(l1l0)(1)BBmgTK(l2l0)Al2,21QF420l221Qmg2K(l2l0)(2)40l2(1)(2)21Ql2l0l2l12mg1mgA40l2l1l0l1l0Ql4mgl2l1B20l1l02-44 3-1aqrvr=sinQ=3(4/3)aa3QrsinJv==r3O4aQuvuva3QrsinI==JdS22rdrdòSòò004a3233QaQ=2(-=cos)34a3203-122223-2J=10yzex-2xyey+2xzezA/m1)x=32£y£33.8£z£5.2ex2)3)xJxuuvuvuuvuuv22(1)dS=dydzeJddSS=-(102yzexyexxyuvuuv22+=2xze)dydzee10yzdydzzxuvuv35.232222I=JdS=10yddyzdz=5y(5.2-=3.8)dy399(A)zòSò2òò3.82uv(2)x=3y=2.5z=4.5Jzuvuuvuuvuv2J=281.25e-+45ee81(A/m)xyzyuv22225.2J=(281.5)+(-+45)(81)296.121A/m)33.8(3)JJxx2Ix3992J===285(A/m)x3xS1´1.4321PDF"pdfFactoryPro"www.fineprint.cn uvJx3-32.0cm2.5cm20A0.01W×m-88.7´10R22S(0.025-0.02)0.01R2S0.0220AIR-51.5´10(1)IRII20A(2)(1)(2)I0I20A3-4Izz=0z0JS60zo60r3-4z=0uuvuvIJe=sr2ro60o60III=Jdld==òòs026rJA/ms2PDF"pdfFactoryPro"www.fineprint.cn I=JdlI=JdSòsò3-5()=E×(Ñ-Ñ)Ñ·J=0Ñ·J=Ñ·(E)=E·Ñ+Ñ·E=0ÑÑ·E=-·E=Ñ·D=Ñ·(E)=E·Ñ+Ñ·EÑ=E·Ñ-E=E·(Ñ-Ñ)3-61212U0(1)JE(2)2211abc3-6I1Jr=1E1ra>arr()00EU0ha,arr,0=F()(1)21ddÑ=×(sin)2rsindddd(sin)0=ddd=Csin1d=+CCln(tan)1226PDF"pdfFactoryPro"www.fineprint.cn CC120==UCU=ln(tan)00102°=90=0C=02U0×ln(tan)02ln(tan)2uv(1)EuvE=-Ñuvuuv1¶¶uuvU0E=-ee=-×[ln(tan)]r¶¶22rln(tan)2uuvU0=-e0rln(tan)×sin2U0E=-0rln(tan)×sin23-12zl(0,d)yay=0=0a211h00hda211x=0drr0=0x3-113-12¥nn-z=åAsinyea(0)0)0nn=1naa¥n1nnxla2=åsin(d)sin()ye(x<0)0nn=1naa3-13Sd1d212U0IJJJ12J=J=J=,E=,E=,1212S12Id1d2U=Edl=Ed+Ed=(+)0ò1122S128PDF"pdfFactoryPro"www.fineprint.cn SUI=dd12+12UU0201E=E=12d+dd+d21122112U1dd012R==(+)IS123-14a=10=0.01S/m100A=U0Id11d2a2=03-133-3-14G=2a11R==G2a222I1006P=IR==»1.59´10W2a2´0.01´0.13-15ac12bU0òJ·=dSIJ22r22+=JrIIs12EE=12ttE12==EEJE1=11JE2=2222r()+=EI12IE=(a<>R1,d>>R2)q-qd>>R,dR>>12qæö11=-ç÷14èøRdR-1210PDF"pdfFactoryPro"www.fineprint.cn qæö112=--ç÷4èøRdR-21q4C==-111112+--RRd--RdR2112I4G==-111112+--RRd--RdR2112I1æö1111R==ç÷+--G4rRèøRd--RdR21123-19E(r),02100V/m(r)=0+(r-r0)S/m-14-2036=3´10S/m=0.5´10S/mr=6´10m00(1)I(2)(3)()r01ururuur-122J=(r)Er()r)=-´a310/Am00rur2I==Jddss4rJòs062-12=´4(610)´3´=101357.2A2uurruurIuurr2(r)Er()000JJr()=-a=->a()rrrr2204rrururéùJr()1¶éù2Jr()=ÑEr=Ñ=êúêú0002ëû()rr¶rrëû()2r¶éù10=-Er()êú0200r¶rrëû()22()rr-0=2rEr()/Cm000022rr()11PDF"pdfFactoryPro"www.fineprint.cn uurur=aEr()=-Er()sr0000-102=-´8.8510/Cm1¥urr()r=E()rdr0òr02¥rEr()000=-ò22drr0réù+-()rrëû00éù2æö20êúr+0ç÷r-200E()rræö2èø=-0000êúç÷++rln202æö20êúèørr000ç÷r+êú0èøëûéùE()rrêúæö»-00êú++ç÷001ln2rr00êúèø0êú2ëû»-384000V3-20acr=b1122(1)UJra=bc0(2)(3)òJ·=dSI1Is22J22r+=JrI12EE=12ttE12==EEJE1=11JE2=2222r()+=EI12IE=(a<aB==22rr4-8aJrJ=e0Jx0ar0J02rraB=ae3r4-9SlrNI(1)HB(2)(3)(4)NI1òHd=NI2H=NIH=e2lvNI0rB=H=e0r2l2NISI0r2=N=2l0r3L==NSI2lI44-10abb>>azMzvvM=MeMz4-10vvJM=Ñ´=0mPDF"pdfFactoryPro"www.fineprint.cn vvvvvKm1=M´en=Meezz´(±=)05.9vvvvvvK=M´e=Me´=eMemnzI=Kbmba22IaMba00B==3232222222()z++a()za2BMbaH==322202()za+vvBHz0æövv0ç÷1-=BM0èøvvBM»04-11H012H1H2vvvB==BB12vH1vvHH202Dhl´DPDF"pdfFactoryPro"www.fineprint.cn 4-11vvòHdl=H1(P1)Dh+H2(P1)Dh-H1(P2)Dh-H22(P)D=hIcvvvHHlD=0IvvòH0dl=22H0(P1)Dh-H02(P)D=hIcPP12vvvH+=HH2120vvBBv+=2H012vv212BH=012+vvvB22HH==10112+vvvB21HH==20212+4-12y=0K=4eA/mxH1=2ex+3ey-3eZA/mH24-13y<0r=5000y>0B=0.5e-10emT0xyBB=10e+0.5emTxyB01B=eB++eBeBxxyyzzB==B,HH1n2n12ttBB==-10yy0PDF"pdfFactoryPro"www.fineprint.cn BB0.5xx0==0r00BBz0z==000rB=2500,BB=-=10,0xyzB=-ee250010xy2B=eB++eBeB0x0xy00yzzB==B,HH1n2n12ttBB==0.50yyBB100xx==5000000rBB0zz==000rB=0.002,BB==0.5,00x00yzB=+ee0.0020.50xy4-14deJz0auur±aJz0urBuuraJz0uuruuræödB=aJxç÷x<1y00èø2uur-aJz0uurJuuruur00222B=-()ayax()x+zA=Aazz2ÑAJ=-0AA121¶¶A1ra£()r=+rJ00r¶¶rr1¶¶A2ra³(r)0=r¶¶rr13A=Jr++ClnrC100129A=+ClnrC234C,C,,CC1234r=0C=01131313C=-JaC=JaC=-Jaaln2003004009331133A=aA=-()JrJaa1zz1000099133=-Jr()aa00z913rA==aAJaaln2zz2003a¶A112BA=Ñ´B=ÑÑ´A=--a=-Jra1100¶r3¶A213B=ÑÑ´A=-=-a=-Jaa2200z¶rr34-18x=±1y=0zI-IBPDF"pdfFactoryPro"www.fineprint.cn yPr(,,0)rzrr1-101xIr00Aa=lnz2rr0px=-1x=+1Irr000Aa=-(lnln)z2rr12Ir02=alnz2r120I1++rr2cos=aln()z221+-rr2cos¶¶AA1zzB=ÑÑ´A=Ñ´()aA=-+aazzr¶¶rr2Ir(1+)sin0B=-r22rr122Ir(-1)cos0B=22rr12B=0z4-19K=eKcosz0PDF"pdfFactoryPro"www.fineprint.cn m1m2arm1m2211¶æö¶¶mm11ç÷r+=022rr¶èø¶¶rrr211¶æö¶¶mm22ç÷r+=022rr¶èø¶¶rrrcosm1m2=+CrsinDrcos(ra<)m111CD22=+sincos(ra>)m2rrvvv¶¶1mm11H=-Ñ=--ee11mr¶¶rrrvv=-eCr(1sin+D1cos)--e(CD11cosossin)vvv¶¶1mm22H=-Ñ=--ee22mr¶¶rrrvv11=-er22(C2sin+D2cosos)--e(CD22cossin)rrra=HH=H-=HJcos12rr210SDD==012112CJ=C=-Ja10S20S22vJJvvvSS00H1=-(erysin+eecos)=-(ra<)22v2vvJaS0H2=--(eersincos)(ra>)24-20r0=15cma=2cmr=1400N=1000I=0.7Al0=0.1cm()rPDF"pdfFactoryPro"www.fineprint.cn 1ar<<0NIH=2r022aNIY==NSH2r022-722YaN1400*4*10*0.02*1000LH====2.346Ir22*0.1502B==BB0Hl+H(2)r-=lNI0000B==H,BHB==BB0000r0NI0rB=l+-(2)rl0r0022aNI0rY==NSBl+-(2)rl0r00222-722YaN4*10*1*1400*0.02*10000rLH====0.944Il+(2(rl-)1400*0.001+-2**0.150.0010r00122W=0.5HSlm00002W=-0.5HS(2)rlmr000Wl1400*0.001mr00===1.487W2rl--2*0.150.001m004-21ab12I1r

您可能关注的文档