移动通信天线测试问题探讨

TIANXIANZAIYIDONGTONGXINXITONGZHONGDEZUOYONGHAOBIRENDEYANJINGHEERDUO,HAOBIZUQIUDUIDELINMENYIJIAO,QIXINGNENGDEHAOHUAIZHIJIEYINGXIANGWANGLUOFUGAIDEXIAOGUO,QIKEKAOXINGSHUYUDANDIANSHIXIAO,HUIZHIJIEDAOZHIBENSHANQUFUGAISHIXIAO。ERRUHEZHUNQUEDECESHIJIPINGGUTIANXIANXINGNENG,MUQIANRENGCUNZAIYIXIEWENTIXUYAOTANTAOJIYOUHUA。

FG美人捕鱼YI、TIANXIANCESHICHANGDIJIYAOQIU

TIANXIANFUSHECANSHUYAOQIUZAIZIYOUKONGJIANZHONGJINXINGCESHI,XIANSHIZHONG,ZHINENGJINKENENGDEMONIZIYOUKONGJIAN,CHENGWEIZHUNZIYOUKONGJIAN。GAOZHILIANGDEXIANDAIWEIBOANSHISHIMUQIANZUIHAODEZHUNZIYOUKONGJIAN。TONGCHANGYOUSHINEIYUANCHANGCESHI、SHINEIJINSUOCHANGCESHIJISHINEIJINCHANGCESHISANLEICESHIFANGFA。LILUNSHANG,ZHEISANLEIFANGFADOUSHIZHENGQUEDE,DOUYOUKENENGSHIXIANZHUNQUEDECESHI,DANSHIJISHANGYOUYUGEZIYINGJIANTIAOJIANDEXIANZHI、JINGFEIYUSUANDEXIANZHI、YIJIDUICESHIXIAOLVDEQIWANG,DAOZHIMEIYIZHONGCESHIFANGFASUODUIYINGDESHIJIXITONGHUIYINRUGEZIGUYOUDECESHIWUCHA,CONGERXIANZHILEFUSHECANSHUCESHIDEZHUNQUEXING。DUICI,XUYAODUICHANGDIJINXINGLIANGHUADEYAOQIU,RUJINGQUFANSHEDIANPING、CHICUNDEYAOQIUDENGDENG,BAOZHENGCESHIJINGDU。JULIRUXIA(YIZHIJIEYUANCHANGHEJINSUOCHANGFUSHECANSHUCESHICHANGDIWEILI):

二、增益的准确标定

FG美人捕鱼TIANXIANZENGYICESHIZHONG,YINGXIANGQIJINGDUDEYINSUJIAODUO,RUBIAOZHUNZENGYITIANXIANDEZENGYIJINGDU、NIHEDEGUANGHUAZENGYIPINXIANGQUXIANDEZHUNQUEXING、BUTONGCHANGDIHUANJINGWUCHADEYINGXIANGJIBUTONGKOUJING、KUANDAI/ZHAIDAILABADEZHUBOBI、BOSHUKUANDUHEZENGYIZHICHABIEDAILAIDEZENGYIWUCHADENG。YINCI,JIANYIZAIDADAOJILIANGJINGDUYAOQIUDECHANGDIZHONG,CAIYONGLILUNSHANGYANGEDESANTIANXIANFAJINXINGZENGYIDEJUEDUICESHIHEBIAODING。QITACESHICHANGDISHIYONGDEBIAOZHUNZENGYILABABIXUJINGGUOJILIANGCHANGDIBIAODING。

SAN、FANGXIANGTUZHUPINGMIANDEQIEGEJIZHUN

ZAIXIANXINGDEJIZHANTIANXIANDEXINGYEBIAOZHUNHEGEJIAQIYEBIAOZHUNZHONG,DUIYUTIANXIANFUSHEXINGNENGZHIBIAOYAOQIUJUNSHIYIZHUMIANWEIJIZHUNDEDINGYITIXI。SUOWEIZHUMIAN,JIUSHIYIBIAOCHENGDEDIANZHOUXIANFANGXIANGWEIJIZHUN,CHENGWEIBOSHUZHIXIANGJIAO。ERYUTIANXIANZENGYIZUIDAZHIDESHIJIWEIZHIWUGUAN。DUIYUYONGHULAISHUO,TIANXIANDEDIANZHOUSHIWANGLUOFUGAISHEJIBOSHUZHIXIANGDEFANGXIANGYIJU,SUOYIZAIWANGLUODEGONGZUOPINDUANSHANG,TIANXIANDEDIANZHOUSHIWEIYI。YINCI。SHUIPINGMIANFANGXIANGTUJIUSHIBAOHANDIANZHOUHESHUIPINGZHOUDEQIEGEMIAN,CHUIZHIMIANFANGXIANGTUJIUSHIBAOHANDIANZHOUHECHUIZHIZHOUDEQIEGEMIAN,BOSHUZHIXIANGDEJIZHUNSHIDIANZHOU。

YI5DUXIAQINGJIAOTIANXIANWEILILAISHUOMING:DUIYUSHUIPINGMIANFANGXIANGTU,YINGGAIQIEWULISHANGDEΘ=95DUMIANSUODUIYINGDEFANGXIANGTUQIEYIΦ=0 WEIFANGXIANGJIAOJIZHUN;DUIYUCHUIZHIMIANFANGXIANGTU,YINGGAIQIETIANXIANFAXIANGMIAOZHUNZHOUDEPINGMIAN,BIRUJIAOΦ=0DUMIAN。DANGRAN,RUGUOSHI0DUXIAQINGJIAOTIANXIAN,JIUHUIGUIWEICHANGGUIDINGYISHANGDESHUIPINGMIANHECHUIZHIMIAN。

ZAIJINCHANGCELIANGMEIYOUTOURUGUONEIYIDONGTONGXINTIANXIANCESHIYUNYINGZHIQIAN,XINGYENEIDEZHUANJIADUIYUSHANGSHUDINGYIMEIYOUYIYI。DANZAIJINCHANGCELIANGTOURUCESHIYUNYINGZHIHOU,YOUZHUANJIADUIFANGXIANGTUDEQIEGEJIZHUNYOULELINGWAIYIZHONGSHUOFA,JIANZUIDAZENGYIFANGXIANGJINXINGQIEGE。TONGYANGYISHANGMIANDETIANXIANWEILI,DUIYUBUTONGDEPINDIAN,ZHENSHIDEBOSHUSHUIPINGMIANZUIDAZHIXIANGKENENGFASHENGZAI96DU,YEKENENGZAI94DU。CONGLITITUKAN,Θ=95DUDESHUIPINGMIANFANGXIANGTUKENENGSHIGEZHONGGEYANGDE:DUICHENGDEBIAOZHUNYUANHUJIANDING、YUANHUPINGDING、PIANXIEYICEHUOZHETONGSHIJIANYOUPIANXIE、MAANDINGHUOZHEDUOBOLANGDING,YIJIGEPINDIANZHIXIANGDELISANXINGDENG。TONGYANG,DUIYUCHUIZHIMIANFANGXIANGTU,RUGUOZAIZUIDAZHISUODUIYINGDEΦJIAOQUQIEGE,ZEHUIYOUYUBOSHUPIANXIEDEBUTONG、YIBIAOJIESHOUZHIDOUDONGDEBUTONG、PINDIANDEBUTONG,DAILAIΦJIAODEJUDABIANHUA。RUXIATU1、2SUOSHI,ANZUIDAZENGYIFANGXIANGQIEGEFANGSHI,TIANXIANDECESHIWUCHAJIANGHUIZENGDA。

四、副瓣抑制评判

FG美人捕鱼FUBANYIZHISHITIANXIANDEZHONGYAOZHIBIAO,MUQIANTONGCHANGKAOHECHUIZHIMIANFANGXIANGTUDEDIYISHANGPANGBAN,RUTU3SUOSHI。DANZAIYIDINGPINDUANNEI,ZONGYOUYIXIEPINDIANDEDIYISHANGPANGBANHENBUMINGXIAN,SIHUWEIANYUDINGWEIZHICHUXIAN,RONGYIJIANGDIERSHANGPANGBANWURENWEIDIYISHANGPANGBAN,RUTU4、TU5SUOSHI,DAOZHIZHIBIAOPINGPANCUOWU。DUICI,DANGDIYIFUBANBUMINGXIANSHI,XUYAOZAIYUDINGDEDIYILINGDIANHEDIERLINGDIANZHIJIANDEJIAOYUNEIZHAOZUIDAZHILAIQUEDING,TONGCHANGSHI1~2BEIθ3dBJIAOYU,RUTU6SUOSHI。LINGWAI,YEKEANSHANGCEMOUGEJIAOYUFANWEINEIDEFUBANDIANPINGJINXINGPINGGU,RUCONG1BEI θ3dBCHU~30DUFANWEINEI,ZHEIYANGJIKEBIMIANSHANGSHUQINGKUANG,YEYOULIYUWANGLUOFUGAIXIAOGUO。

五、有限距离的远场方向图修正

DANGYONGYUANCHANGJINXINGTIANXIANFANGXIANGTUCESHISHI,QIJIBENTIAOJIANSHIDADAOBEICETIANXIANKOUJINGSHANGDEFASHEXINHAOKEYIKANCHENGSHIPINGMIANBO,JISHOUFATIANXIANZHIJIANDEJULIL > 2(D12 + D22)/λ(BEIZHU:D1BIAOSHIBEICETIANXIANKOUJING,D2BIAOSHIYUANTIANXIANKOUJING),JIBEICETIANXIANCHICUNYUEDA,XUYAODECESHIJULIYEYUEDA。YIGSM900PINDUAN 65DU18dBiZENGYITIANXIANWEILI,ZHANGDU2.6m,YUANTIANXIANKOUJING0.6m,XUYAODECESHIJULIYUE46m。JIANZAORUCIDADEWEIBOANSHIHUAFEISHIHENDADE,JINGQUEGAOXIAOKEKAODEPEITAOZHUANTAISHIXIANNANDUYESHIHENDADE。YINCI,ZAICESHIDACHICUNTIANXIANSHI,KECAIYONGDUICHUIZHIMIANFANGXIANGTUJINXINGJULISUANFABUCHANGDEFANGSHI,JIANGDIYINCHANGDIJULIBUZUDAILAIDEZENGYIHECHUIZHIMIANFANGXIANGTUWUCHA。

XIDIANHEJINGXINFENBIEDUIBUTONGDEXIUZHENGSUANFAZUOGUOYANJIU,DEDAOLEXIANGTONGDEJIEGUO,BINGTONGGUODUIBIQIUMIANJINCHANGCESHIJIEGUO、ZHUNYUANCHANGTIAOJIANXIACESHIJIEGUOJIYUANCHANGXIUZHENGJIEGUO,ZHENGMINGLEXIUZHENGSUANFADEYOUXIAOXINGHEZHUNQUEXING,RUTU5SUOSHI。

图5

FG美人捕鱼LINGWAI,XUYAOSHUOMINGDESHIZHENGQUEXIUZHENGDEQIANTIWEI:ANSHIFANSHEDIANPINGZUGOUDI、JINGQUQIFUXIAO,JIDADAOANSHIDEJINGQUZHIBIAOYAOQIU。

LIU、JIESHUYU

TIANXIANCESHIWENTIKANSIJIANDAN,DANFEICHANGZHONGYAO,YIFANGMIAN,SHIKEHUDUICHANPINXINGNENGJINGQUEPANDINGDEWEIYISHOUDUAN,LINGYIFANGMIAN,GONGZHENGZHUNQUEDECESHIPINGPANSHITIANXIANQIYEDECHANPINHUODEJISHURENKEHESHICHANGJIHUIDEBAOZHANG。

WOWANQUANZANTONGLIANMENGZHUXIDUANBAOYANYUANSHIDEGUANDIAN:“XUYAOCONGTONGYIJILIANGBIAOZHUN、JIANLITIANXIANCHANGSHANGZIGERENZHENGJIZHI、ZHIDINGKEXUEHELIDEJISHUGUIFAN、CHUTAIKEGUANGONGZHENGDEPINGJIAGUIZE、JIANLIKEXUEHELIDEJIANCEJIZHIDENG5GEFANGMIANCHUFA,JIANLIYITAOWANZHENG、KEXUE、KEGUANDETIANXIANZHILIANGPINGPANTIXI,YIYINDAOQIYEJINRULIANGXINGJINGZHENGDEGUIDAO。”

XINGYEPOQIEXUYAOCHUTAITIANXIANCESHIGUIFAN,MINGQUEJIEDINGYIBANCESHIJINGDUHEGAOCESHIJINGDUYAOQIUDUICHANGDIHESHEBEIDEMENJIANYAOQIU,JICHUKEXUEHELI,ZHUNQUEWENDING,KEKAOGAOXIAODECESHIFANGFAHEBUZHOU。XIWANGLIANMENGHEXIANGGUANRENZHENGJIGOULIANHEZUOHAOZHEIJIANSHI。YIBIANDUITIANXIANCHANPINXINGNENGZHIBIAOZUOCHUGONGZHENGZHUNQUEDEPINGPAN,YIBIANTIANXIANQIYEYOUYIGELIANGXINGJINGZHENG,CHIXUJINBUDESHENGCUNHUANJING。

说点什么

FG美人捕鱼 NINJIANGSHIDIYIWEIPINGLUNREN!

提醒
avatar
wpDiscuz