微波通信工程中天线系统的校准技术

ZAIWEIBOTONGXINZHONG,DUIYUTIANXIANFANGWEIJIAODEXIAOZHUN,CHUANTONGDEFANGFASHIGENJUSHEJIYAOQIUDEJIAODU,ANJINGWEIYIDEZHISHILAIDIAOZHENGCHUTIANXIANDECHUSHISHUIPINGFANGWEIJIAOHEFUYANGJIAODU,RANHOULIANGWEIBOZHANDETIANXIANLUNLIUSHANG、XIA、ZUO、YOUZHUANDONGLAIBUZHUODUIFANGDEXINHAO。1GETIANXIANYOU2GEJIAODUBIANLIANG,JISHUIPINGJIAOHEFUYANGJIAO,ZAILIANGGEWEIBOZHANJIANDE2GETIANXIANYAOQIUXIAOZHUNQIFANGWEIJIAODU,GONGYOU4GEDULIBIANLIANGYAOXIAOZHUN。RANERYOUYUXIANCHANGTIAOJIANDEXIANZHI,ANJINGWEIYIZHISHIDIAOZHENGCHULAIDEFANGWEIJIAODUYUSHEJIYAOQIUWUCHAJIAODA,JIDIAOZHENGGONGZUODAILAIHENDADEKUNNAN,WANGWANGXUYAOHUASHANGYILIANGTIANDESHIJIANCAINENGWANCHENG。

FG美人捕鱼ZAIWEIBOTONGXINGONGCHENGSHIJIANZHONG,WOMENZONGJIEYIWANGJINGYAN,TICHULE“ZHONGCHUIXIANFA”。SUOWEIZHONGCHUIXIANFA,JIUSHIZAITIANXIANKOUJINGPINGMIANQIANFANG,YONG1TIAOXIXIANGUASHANG1GEZHONGCHUI,YIZHONGCHUIXIANZUOWEIJIZHUNXIAN,DIAOZHENGTIANXIANDEFUYANGJIAO,SHITIANXIANKOUJINGPINGMIANYUZHEITIAOZHONGCHUIXIANPINGXINGHUOZHONGHE,ZETIANXIANJIUCHUIZHIYUDIPINGMIAN,YICIZUOWEITIANXIANZAICHUIZHIFANGXIANGSHANGDECHUSHIFUYANGJIAO。YOUYUZHONGCHUIXIANHENXI,TIANXIANKOUJINGPINGMIANJIAODA,SUOYIDIAOZHENGHAODETIANXIANCHUIZHIDUWUCHAHENXIAO。ZHEIYANGJIUBALIANGGETIANXIANDE4GEYAODIAOZHENGDEJIAODUBIANLIANGJIANHUAWEIGEZIDESHUIPINGFANGWEIJIAOLE。

1 LIANGWEIBOZHANDETIANXIAN-TIANXIANXITONGXIAOZHUN

FG美人捕鱼YONGZHONGCHUIXIANFABALIANGGEWEIBOZHANDETIANXIANDOUDIAOZHENGDAOCHUIZHIWEIZHIHOU,GUDINGTIANXIANCHUIZHIWEIZHI,LIANGGETIANXIANTONGSHILAIHUIZHUANDONGGEZIDESHUIPINGFANGWEIJIAO,ZHUANDONGJIGELAIHUIHOU,JIUYOUJIHUISHILIANGGETIANXIANZHIXIANGHUXIANGPINGXING,LIANGGEZHANDEWEIBOJIJIUCHUXIANJIESHOUDAODUIFANGXINHAODEDUSHUZHISHI。CISHI,ZAIDUIMEIGETIANXIANDEFUYANG、SHUIPINGJIAODUJINXINGWEIDIAO,SHIWEIBOJISHOUXINZHISHIDADAOZUIDAWEIZHI,LIANGGEWEIBOZHANDETIANXIANFANGWEIJIAODUDEXIAOZHUNBIANWANCHENGLE。

2 LIANGWEIBOZHANDETIANXIAN-FANSHEBAN-TIANXIANXITONGXIAOZHUN

FG美人捕鱼ZAITIANXIAN-FANSHEBAN-TIANXIANXITONGZHONG,FANSHEBANYEYOU2GEKEDIAOJIAODU,JIFUYANGJIAOHESHUIPINGFANGWEIJIAO。ZAIZHEIGEXITONGZHONGGONGYOU6GEDULIKEBIANJIAODUCANLIANGYAODIAOZHENG,SHIJIQIFUZADE。CHUANTONGDEXIAOZHUNFANGFASHIGENJUSHEJIYAOQIUDEJIAODU,ANJINGFANGWEIJIAOZUOWEICHUSHIJIAODU,RANHOU,FANSHEBANMEIFUXIAYIGEXIAOJIAODU,TIANXIANJIUFENBIESHANG、XIA、ZUO、YOULAIHUIZHUANDONG,DIAOZHENGQIFUYANG、SHUIPINGFANGWEIJIAO,ZHIDAOTIANXIANSHOUDAODUIFANGDEXINHAOZAIXIDIAO。YOUYUXIANCHANGTIAOJIANXIANZHI,YONGJINGWEIYIGENJUSHEJIYAOQIUDIAOZHENGCHULAIDECHUSHIJIAODUYUSHEJIJIAODUWUCHAJIAODA,ZAIZHEIYANGDEFUZAXITONGZHONG,JIXIAOZHUNDAILAILEGENGDADEKUNNAN。

RUHEJIANGFUZAXITONGDEDIAOZHENGGONGZUOJIANHUA?YONGFENDUANDIAOZHENGFA。SUOWEIFENDUANDIAOZHENGFA,JIUSHIBATIANXIANA-FANSHEBANB-TIANXIANCXITONG,FENJIEWEITIANXIANA-FANSHEBANBHEFANSHEBANB-TIANXIANCZHEI2GEXIAOXITONG,ZAIFANSHEBANBXIAMIAN,YONG1GEBIANXIESHIXIAOTIANXIANJIESHANG1GEBIANXIESHIGAOLINGMINDUGONGLVJIZUOJIESHOUXINHAOZHISHI,LAIDAITIFANSHEBANB。ZHEIYANG,YIGEFUZADEXITONGJIUFENJIECHENGTIANXIANA—XIAOTIANXIANJIXIAOTIANXIAN—TIANXIANCZHEI2GEJIANDANDEXIAODUANLE。

FG美人捕鱼YONGZHONGCHUIXIANFALAIDIAOZHENGZHANGJULIDUAN,RUTIANXIANA—XIAOTIANXIANDUAN,YONGTIANXIANADEWEIBOJIZUOXINHAOYUAN,XIAOTIANXIANDEGONGLVJIZUOJIESHOUCHANGQIANGZHISHI,DIAOZHENGDAOGONGLVJIDUSHUZHISHIZUIDASHI,JITIANXIANAJIUBEIRENWEIDUIZHUNLEFANSHEBANB。DUIYULINGYIDUANJULIXIAOTIANXIAN—TIANXIANCDUAN,YONGTIANXIANCDEWEIBOJIZUOXINHAOYUAN,XIAOTIANXIANDEGONGLVJIZUOWEIJIESHOUCHANGQIANGZHISHI。CIDUANJULIJIN,KEYIWANGJIAN,RONGYIDIAOZHENG。DAIGONGLVJIDEDUSHUZHISHIDIAODAOZUIDA,JITIANXIANCYEJIUDUIZHUNLEFANSHEBANB。RANHOUZAIDIAOZHENGFANSHEBANBDEJIAODU,FANSHEBANCONGCHUIZHIWEIZHIKAISHI,MEIFUXIAYIGEXIAOJIAODU,JIUZAISHUIPINGFANGXIANGLAIHUIZHUANDONG1CI。ZAIFANSHEBANDEDIAOZHENGGUOCHENGZHONG,A,CLIANGGETIANXIANJIUNENGSHOUDAODUIFANGFALAIDEXINHAOBINGZAIWEIBOSHOUXINJISHANGZHISHICHULAI。ZUIHOUZAIWEIDIAOTIANXIANA、TIANXIANCHEFANSHEBANB,DAILIANGGEZHANDEWEIBOSHOUXINJIZHISHIDADAOZUIDAWEIZHI,ZEZHENGGETIANXIAN-FANSHEBAN-TIANXIANXITONGDESHUIPING、FUYANGJIAODUJIUXIAOZHUNHAOLE。

3 DIAOZHENGSHILI

FG美人捕鱼JIUFENG—LECHANGWEIBOCHUANSHUDUAN,ZHONGJIANCHARULEFANSHEBAN,RUTU1SUOSHI。

 

FG美人捕鱼  用1个便携式、直径为1.2 m的小天线接上1个便携式能指示-65 dB的高灵敏度功率计放在反 射板下面。

DIAOZHENGBUZHOURUXIA:

FG美人捕鱼a)DIAOZHENGJIUFENG—FANSHEBANDUAN

YONGJIUFENGZHANDEWEIBOFAXINJIZUOWEIXINHAOYUAN,ZAIFANSHEBANXIAMIANDEXIAOTIANXIANJIEGONGLVJIZUOJIESHOUCHANGQIANGZHISHI。YINWEICIDUANJULIJIAOYUAN,YONGZHONGCHUIXIANFAJINXINGDIAOSHI,DAIGONGLVJIDUSHUZHISHIDADAOZUIDA,ZEJIUFENGZHANDETIANXIANJIUBEIRENWEISHIDUIZHUNLEFANSHEBAN。

b)DIAOZHENGFANSHEBAN—LECHANGZHANDUAN

FG美人捕鱼YINWEICIDUANJULIJIN,YONGYANJINGJIUNENGHUXIANGWANGDAO,SUOYIDIAOZHENGJIUHENRONGYI。YONGLECHANGZHANWEIBOFAXINJIZUOXINHAOYUAN(CISHIYINGGUANDIAOJIUFENGZHANWEIBOFAXINJIDEXINHAO,YIMIANXIAOTIANXIANSHOUDAOJIUFENGZHANLAIDEXINHAOERDUIGONGLVJIDUSHUZHISHIZAOCHENGGANRAO),ZAIFANSHEBANXIAMIANDEXIAOTIANXIANJIEGONGLVJIZUOJIESHOUCHANGQIANGZHISHI。DIAOZHENGLIANGGETIANXIAN,DAIGONGLVJIDUSHUZHISHIDADAOZUIDA,ZERENWEILECHANGZHANTIANXIANDUIZHUNLEFANSHEBAN。

c)DIAOZHENGFANSHEBANJIAODU

YONGJIUFENGZHAN、LECHANGZHANDEWEIBOSHOUFAXINJIZUOXINHAOYUANHEJIESHOUCHANGQIANGZHISHI。

FANSHEBANCONGCHUIZHIWEIZHIKAISHI,MEIFUXIAYIGEXIAOJIAODU,JIUZAISHUIPINGFANGXIANGSHANGZHUANDONG1GELAIHUI。YINWEIZAISHANGLIANGGEBUZHOUZHONG,JIUFENG、LECHANGZHANDETIANXIANJUNYIDUIZHUNLEFANSHEBAN,ZAIDIAOZHENGGUOCHENGZHONG,FANSHEBANFUDAOMOUYIGEWEIZHISHI,JIUFENG、LECHANGDEWEIBOSHOUXINJIJIUNENGZHISHICHUJIESHOUDAODUIFANGDEXINHAO。DAILIANGBIANDEWEIBOSHOUXINJIDEJIESHOUXINHAOZHISHIDADAOZUIDA,FANSHEBANDEFUYANG、SHUIPINGFANGWEIJIAOJIUCHUBUDIAOZHENGHAOLE。

d)XITONGWEIDIAO

FG美人捕鱼ZAIQIANSANGEBUZHOUWANCHENGHOU,ZHUYIDUIJIUFENGZHANTIANXIAN、LECHANGZHANTIANXIAN、FANSHEBANDEFUYANG、SHUIPINGJIAODUJINXINGWEIDIAO,ZHIDAOLIANGGEZHANDEWEIBOSHOUXINJIZHISHIZUIDAWEIZHI。ZHENGGEXITONGDESHUIPING、FUYANGJIAOJIUXIAOZHUNWANBI。CIBUZHOUSHIBIYAODE,ZAIDAXINHAOXIAJINXINGWEIDIAO,CAINENGTIGAOJIAODUDIAOZHENGDEJINGQUEDU。

4 TAOLUN

FG美人捕鱼CONGTIANXIANFANGXIANGTUDEZHUBANTEXINGLAIKAOLV,ZHUBANTEXINGBIAOMINGLETIANXIANZAIZHUYAOTONGXINFANGXIANGSHANGCHANGQIANGDEFENBUQINGKUANG,BANGONGLVJIAOSHIZHUBANLIANGCEDIANCICHANGGONGLVBIANHUAZAIZUIDAFUSHEFANGXIANGSHANGDEGONGLVZHIXIAJIANGYIBAN(JI3 dB)SHIDEJIAJIAO。

SHELIANGGEWEIBOZHANXIANGJU40 km,JUNYONGZHIJINGWEI3 mDEPAOWUMIANTIANXIAN,QIBANGONGLVJIAOWEI0.8°。40 000 m×sin0.8°=528 m,BIAOMINGDANGLIANGGETIANXIANJIANDEGAOCHENGCHAZAI528mFANWEINEISHI,JUNCHUZAIDUIFANGTIANXIANDEBANGONGLVJIAONEI,KE HENHAODIJIESHOUDAODUIFANGTIANXIANFALAIDEXINHAO。3 mZHIJINGDEPAOWUMIANTIANXIANDEBANGONGLVJIAOWEI0.8°,2 mZHIJINGDEPAOWUMIANTIANXIANDEBANGONGLVJIAOWEI1.5°,1.2 mZHIJINGDEPAOWUMIANTIANXIANDEBANGONGLVJIAOWEI3°。SUOYITIANXIANDECHUIZHIWEIZHIKEYIZUOWEITIANXIANDECHUSHIFUYANGJIAOLAICHULI,JIUSHILIANGGETIANXIANDE4GEDULIKEBIANJIAODUJIANHUAWEIZHIYOUSHUIPINGFANGWEIJIAODUDEERBIANLIANGXITONG。

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FG美人捕鱼 NINJIANGSHIDIYIWEIPINGLUNREN!

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