微波技术与天线答案-殷际杰.docx

《微波技术与天线答案-殷际杰.docx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯最新料推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯2.1题D30cm0.3m,R00.4cm4103m,04107L00lnDR011C00491096.431011Dln7536109ln75lnR0无损耗线L0lnDZ00R0120ln75518.1C00ΩL0C010061081100083108310vp3m/sp31083m1082.2解L01.65510Z00.66610C050Hz时：91249.85XL2f0L02501.6551091035.2104ΩBC2f0C02500.

2、66610121032.09107S100MHz时：XL2f0L021081.65510BC2f0C021080.66610z060rlnD2.3解：rdp0rr91031039.87Ω121030.42Sz60ln1096.57021.在空气里时由于Vp3108所以p02.在高分妇材料介质中z601ln1064.3801.521⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯最新料推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯Vp1082108由于2.251p20所以32.4形式上，低频或直流电功率传输线横截面为多连通区域，传送信号的有单连

3、通与多连通。在内容上，电力传输注重功率容量及传输损耗，信号线要求适应很高的频率，且有频带宽度要求，注重信息速率。2.5（1）zA1A2z012zLZA1A3Z1150ZAz01275237.5Z'L150（2）ZB1B2ZLZB1B3Z225ZBZ022502100Z2252.6频率为100MHz时31083m108ZDEZ023002150ZL600ZD150600120750ZCD120ZCFZ020ZLZBC0ZA0频率为200MHz时31081.5m2108ZDE600ZD300ZCD3002⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

4、⋯⋯⋯⋯最新料推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ZCFZC300ZBC300300600ZB200900ZA3002.7解：Z050ZCDZ250ZCFZL0ZC0ZBCZ02ZLZBEZ02502Z325100ZB25ZAZL252.8解：无损耗传输线Z0150ZL250dUrdZLZ0ej2d100ej2d0.25ej2dUidZLZ0400（1）d0.25P时2d20.5P2Pd0.25ej0.25（2）d0.5p时2d220.5P2Pd0.25ej20.251dS10.5SddS10.22.10解：由1得到2.5PVp31

5、080.3mf1109L2d4d40dP3j40dd0.2e33⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯最新料推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯在无损耗时，Z0为纯阻dLZ0100Z0Z0ZLZ0100Z0150终端最近的电压波腹点处40d03d3m7.5cm402.11解：由题意得dS10.50.2S12.5L2d当d0.01m时，2n14Ldmin2n1得p波节点相差50mm时由上式可知4d2pP0.1m且将波长和d0.01m代入后得到d0.2ej0.62gbd00.2ej0.60ZLZ00.2ej0.6由于ZLZ0ZL

6、Z010105010.2ej0.610.2ej0.6500.938j0.1901.062j0.19041j16.550Z02ZL2.12解：令Z*50200100ZLjZ0tgdZindZ0Z0jZLtgd求其实部4⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯最新料推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯Z0ZLZ0ZLtg2d1Z02ZL2tg2d1000010000tg2d250040000tg2d30000tg2d7500tg2d25100tgd51102darctg12d*7.4mmtg1d2200j25Zind50j7550

7、50j100串入Xind75j阻抗短路线ZindjZ0tgd75jtg3d2d1.56cmZ0ZLtg2dZ0ZL1并入导纳ZL2Z02tg2d400002500tg2d1000010000tg2d7500tg2d30000tgd40.1d1.1070.0182150j400Yind200j10050111.5j50并入导纳-0.03j欧化为阻抗100/3j，d=0.0094m2.13ZindZ0ZLcosdjZ0sindZ0cosdjZLsind600400cosdj600sind600cosdj400sind6002cosdj3sin

8、d3cosdj2sindAB段阻抗匹配5⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯最新料推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ZindZL4503.3答：微带线导行电磁波的模式：准TE