1、电磁场与电磁波1 入入射射波波 反反射射波波 介介质质分分界界面面 iE ik rE iH rH rk o z y x 媒媒质质 1 媒媒质质 2 tE tH tk 透透射射波波 23 ，0111 、222 、111,222,iEiHikrErHrktEtHtk4，zmxeEE111 1111zmycEHe，zmxeEE111 1111111zzxmyccEEHee zmzmxxxeEeEEEE1111111 111111111()zzyyymmcHHHE eE e112111 11 11(1)cjkjjj 111121111(1)ccj5，zmxeEE222 2222zmycEHe21222
2、22222)1(jjjjkc 122222222(1)ccj2222zxxmEEE e222221zyymcHHE e6112121121212(0)(0)11()(0)(0)mmmmmmccEEEEEEEEHH，0201 zxzxEE0201 zyzyHH2111121ccmmmccEEE2211212cmmmccEEE121121mccmccEE 221212mcmccEE7 1)(2(1)0cfj，1 ；1 :0 12cc；0 ：1 821(1)(1)cfjj fjj)1(2c ，,，；21221212,91122210()c，10 、10)(kztjmxeEE )(kztjmxyeEE
3、H )(kztjmxeEE )(kztjmxyeEEH yHxE111,0 2 iEiHikrErHrk11jkzmjkzmxxxeEeEEEE 00 zxE mmEEkzjEeeEEmjkzjkzmxsin2)(2sinsinxmEEkzt1 kzEeeEHmjkzjkzmycos2)(tkzEHmy coscos2 12 4 23 25 4 4 23 25 42sinsinxmEEkzt nkz 0 xE)2,1,0(n2)12(nkzmaxEEx tkzEHmy coscos2 nkz 2)12(nkz；maxHHy 0 yH 25 4 413，mE2，mE22；4 144。mxzmyz
4、zynsEekzEeezHeJ2cos2)(00*im1av11im112cos()11ReRej2sin()022xyEzSEHeEze 15、111 222 j，121211 mmEE122122 mmEE，12 ，0 ，12 0，16)(111111zjzjmxxxeeEEEE )(1111111zjzjmyyyeeEHHH ，zjmxeEE212 zjmyeEH2212 11,22,iEiHikrErHrktEtHtk17)()1()()(11111111zjzjzjmxzjzjmxeeeEeeeEezE sin2)1()(111zjeEezEzjmx 1111111111()()(1
5、)()jzjzjzjzjzmmyyEEH zeeeeeee11111()(1)2 cosjzmyEH zeez 18111111jj1imjjjimjim1()(ee)(1)e(ee)(1)ej2sin()zzxzzzxzxE ze Ee Ee Ez191j221imim1()1e12cos(2)zE zEEz1immax()1E zE1immin()1E zE(0,1,2,)n(0,1,2,)n 2/1 1 2/31 12 2/51 41431451491471201j221imim1()1e12cos(2)zE zEEz1immin()1E zE1immax()1E zE(0,1,2,)n
6、(0,1,2,)n 2/1 1 2/31 12 2/51 4143145149147121，12 ，0 ，11mmEE，110mmzxEEE，12 0，1111111mmmHEE ，zE2E1Eo14121341541 zE2E1Eo1412134154122 11min1max1EES11 SS 10 23*2iaviiim111Re22zSEHeE22121(1)(1)1av2avSS*22ravrrim111Re22zSEHeE 2*2im1av1111Re(1)22zESEHe2*2im2av2221Re22zESEHe2425 tri，26)cossin(1011 zxjkeEE )
7、cossin(1011 zxjkeEE)cossin(2022 zxjkeEE ttEE21)cossin(10)cossin(10111 zxjkzxjkeEeEE sin20sin10sin10211)(xjkzxjkxjkzeEeeEeEe 211211sinsinsinxxxkkkkkk 211xxxvvv 27 sinsinsin211vvv 12221121sinsinvvkk 021 2121sinsinnn 11vcn ，22vcn 28皮肌炎图片皮肌炎的症状表现301iij(sincos)iim()ekxzyE re E 1ii1iiiii1j(sincos)iiim1(si
8、ncos)imii11()()1(sincos)e(sincos)ekxzxzyjkxzzxH reE reee EEee ii1111iii,sincosxzxyzke kkeeere xe ye z iEiHierHrEretHtEterit31r1iijrimj(sincos)im()eek rykxzyE reEeE 1ii1iirrr1j(sincos)iiim1j(sincos)imii11()()1(sincos)e(sincos)ekxzxzykxzzxHreE reeeEEee rr1111rii,sincosxzke kkeee iEiHierHrEretHtEterit3
9、21ii1ii1i1i1i1irj(sincos)j(sincos)imjcosjcosjsinim()()()ee(ee)ekxzkxzyk zk zk xyE rE rE re Ee E 1ii1ii1ii1ii1i1i1i1j(sincos)j(sincos)imi1j(sincos)j(sincos)imi1jcosjcosjsinimi1im()()()sineecoseesineeeirkxzkxzzkxzkxzxk zk zk xzxHrH rHrEeEeEeEe 1i1i1ijcosjcosjsini1coseeek zk zk x 332tt2tj(sincos)im()()
10、ekxzyErE reE t2t222ttt,sincosxzxyzkk ekeeere xe ye z t2tt2ttt2jttim2j(sincos)imtt21()()()1(sincos)e(sincos)ek rxzykxzzxHrH reE reeeEEee iEiHierHrEretHtEterit3412(,0)(,0)yyxxEE12(,0)(,0)xxxxHH211ti122,sinsin2i1t2i1t2i2i1tcoscoscoscos2coscoscos 2i21i2i21ii2i21icossincossin2coscossin 1ti12coscos(1)35ii
11、1i11iii,sincosxzke keeee 1iiiii1j(sincos)im11()()ekxzyH reE rEe 1iij(sincos)iiiim()(sincos)ekxzzxE reeE iEiHierHrEretHtEterit361iij(sincos)rii/im()(sincos)ekxzzxE reeE rr1111rii,sincosxzke kkeee rm/imEE 1iirrr1j(sincos)/im11()()ekxzyHreE rEe iEiHierHrEretHtEterit371i1i1i1irjcosjcosjsinim/1()()()(ee)
12、ek zk zk xyH rH rHrEe 1i1i1i1irjcosjcosjsinimi/imi()()()sin(ee)ecosk zk zk xzxE rE rEre Ee E 382tt2ttt2j(sincos)/im21()()()ekxzyHrH reE rEe t2t222ttt,sincosxzkk ekeee 2ttj(sincos)2ttt/im()()(sincos)ekxzzxErE reeE tm/imEE iEiHierHrEretHtEterit391020()|()|xzxzErEr1020()|()|yzyzHrHr/1211(1)/i/t(1)cosco
13、s1i2t/1i2t2i/1i2tcoscoscoscos2coscoscos 211ti122,sinsin221i21i/221i21i21i/221i21i()cos()sin()cos()sin2()cos()cos()sin 40ir1i1r2tsinsinsinkkk1i2tsinsinnn 1i2tsinsinkk 411020,2.25,120/422i21i2i21icos/sincos/sin 22i1sin0120i21sin/|1221i21i/221i21i(/)cos/sin(/)cos/sin 43 c12/1ot90cc21arcsin,1tc2sinsin1
14、441ti2sinsin122t2t212i22cos1sinjsin1jtzkkkkk 2tt2t2j(sincos)jsinttmtm()eeekxzk xkzE rEE /1 c1245460sin)/(cos)/(sin)/(cos)/(2121221212/21212sin)/(cos)/()(sin212 22211arcsinarctanB470sin)/(cossin)/(cos212212 ，21 21 480/B2 B21arctanBB49 理理想想导导体体 iE rE iH x rH rk i r 11,ik z iE rE iH x rH rk i r 11,ik z
15、 理理想想导导体体 502i1t2i1t2i2i1tcoscoscoscos2coscoscos 22c22c22/(j)0 10 120,511ii1rr1ij(sincos)j(sincos)1imimjsinim1i()eej2sin(cos)ekxzkxzyk xyE reEEeEk z 1i1ijsinimi11i1jsinimi1i1j2sin()sin(cos)e2sincos(cos)ek xzk xxEHrek zEek z 521i/(2cos)zn 1av1111112imi1i11Re()()21Re()()()()24Esinsin(cos)xyzzyxxSE rHre Er Hre Er Hrek z531ijsinim11i12()cos(cos)ek xyEHrek z 1i1ijsin1imi1ijsinimi1i()j2cossin(cos)e2sincos(cos)ek xxk xzE reEk zeEk z 22c2c0 1i2t/1i2t2i/1i2tcoscoscoscos2coscoscos /10541i/(2cos)zn 55本章结束56
