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影響GPS天線性能的主要因素

文章出處:責任編輯:人氣:-發表時間:2015-01-21 17:31【

WOMENZHIDAO,GPS JIUSHITONGGUOJIESHOUWEIXINGXINHAO,JINXINGDINGWEIHUOZHEDAOHANGDEZHONGDUAN(GPSSHISHENME)。ERZAIZHEJIESHOUXINHAODEGUOCHENGZHONGJIUBIXUYONGDAOTIANXIAN,GUWOMENJIANGJIESHOUXINHAODETIANXIANCHENGZHIWEIGPSTIANXIAN。 GPSWEIXINGXINHAOFENWEIL1HEL2,PINLVFENBIEWEI1575.42MHZHE1228MHZ,QIZHONGL1WEIKAIFANGDEMINYONGXINHAO,XINHAOWEIYUANXINGJIHUA(GPSYUANLI)。XINHAOQIANGDUWEI166-DBMZUOYOU,SHUYUBIJIAORUODEXINHAO。 ZHEXIETEDIANJUEDINGLEYAOWEIGPSXINHAODEJIESHOUZHUNBEIZHUANMENDETIANXIAN。XIAMIANXIAOBIANJIUWEIDAJIAJIESHAOYOUGUANGPSTIANXIANXINGNENGYUSHIYONGZHUYISHIXIANGDEZHISHI(GPSDINGWEI)。

影響GPS天線性能的主要是以下幾個方面

欢乐生肖1、TAOCIPIAN:TAOCIFENMODEHAOHUAIYIJISHAOJIEGONGYIZHIJIEYINGXIANGTADEXINGNENG。XIANSHIMIANSHIYONGDETAOCIPIANZHUYAOSHI25×25、18×18、15×15、12×12。TAOCIPIANMIANJIYUEDA,JIEDIANCHANGSHUYUEDA,QIGONGZHENPINLVYUEGAO,JIESHOUXIAOGUOYUEHAO。TAOCIPIANDADUOSHIZHENGFANGXINGSHEJI,SHIWEILEBAOZHENGZAIXYFANGXIANGSHANGGONGZHENJIBENYIZHI,CONGERDADAOJUNYUNSHOUXINGDEXIAOGUO。

2、YINCENG:TAOCITIANXIANBIAOMIANYINCENGKEYIYINGXIANGTIANXIANGONGZHENPINLV。LIXIANGDEGPSTAOCIPIANPINDIANZHUNQUELUOZAI1575.42MHz,DANTIANXIANPINDIANFEICHANGRONGYISHOUDAOZHOUBIANHUANJINGYINGXIANG,TEBIESHIZHUANGPEIZAIZHENGJINEI,BIXUTONGGUODIAOZHENGYINMIANTUCENGWAIXING,LAIDIAOJIEPINDIANZHONGXINBAOCHIZAI1575.42MHz。YINCIGPSZHENGJICHANGJIAZAICAIGOUTIANXIANSHIYIDINGYAOPEIHETIANXIANCHANGJIA,TIGONGZHENGJIYANGPINJINXINGCESHI。

3、KUIDIAN:TAOCITIANXIANTONGGUOKUIDIANSHOUJIGONGZHENXINHAOBINGFASONGZHIHOUDUAN。YOUYUTIANXIANZUKANGPIPEIDEYUANYIN,KUIDIANYIBANBUSHIZAITIANXIANDEZHENGZHONGYANG,ERSHIZAIXYFANGXIANGSHANGZUOWEIXIAODIAOZHENG。ZHEYANGDEZUKANGPIPEIFANGFAJIANDANERQIEMEIYOUZENGJIACHENGBEN。JINZAIDANZHOUFANGXIANGSHANGYIDONGCHENGWEIDANPIANTIANXIAN,ZAILIANGZHOUJUNZUOYIDONGCHENGWEISHUANGPIAN。

欢乐生肖4、FANGDADIANLU:CHENGZAITAOCITIANXIANDEPCBXINGZHUANGJIMIANJI。YOUYUGPSYOUCHUDIFANDANDETEXING,DANGBEIJINGSHI7cm×7cmWUJIANDUANDADISHI,patchTIANXIANDEXIAONENGKEYIFAHUIDAOJIZHI。SUIRANSHOUWAIGUANJIEGOUDENGYINSUZHIYUE,DANJINLIANGBAOCHIXIANGDANGDEMIANJIQIEXINGZHUANGJUNYUN。FANGDADIANLUZENGYIDEXUANZEBIXUPEIHEHOUDUANLNAZENGYI。SirfDEGSC3FYAOQIUXINHAOSHURUQIANZONGZENGYIBUDECHAOGUO29dB,FOUZEXINHAOGUOBAOHEHUICHANSHENGZIJI。

欢乐生肖GPSTIANXIANYOUSIGEZHONGYAOCANSHU:ZENGYI(Gain)、ZHUBO(VSWR)、ZAOSHENGXISHU(Noise figure)、ZHOUBI(Axial ratio)。QIZHONGTEBIEQIANGDIAOZHOUBI,TASHIHENGLIANGZHENGJIDUIBUTONGFANGXIANGDEXINHAOZENGYICHAYIXINGDEZHONGYAOZHIBIAO。YOUYUWEIXINGSHISUIJIFENBUZAIBANQIUTIANKONGSHANG,SUOYIBAOZHENGTIANXIANZAIGEGEFANGXIANGJUNYOUXIANGJINDEMINGANDUSHIFEICHANGZHONGYAODE。ZHOUBISHOUDAOTIANXIANXINGNENG、WAIGUANJIEGOU、ZHENGJINEIBUDIANLUJIEMIDENGYINGXIANG。

GPS天線使用注意事項

1.GPSBUNENG100%DINGWEI,GENGBIEXIANGXINSHINEIDINGWEIDEGUIHUA-GPSBUXIANGSHOUJIGUANGBO,SUIDIDOUNENGSHOUDAOXUNHAO,HENDUODONGXIDOUHUIYINGXIANGgpsSHOUXUN,BAOHANTIANKONGXINGFENBUZHUANGTAI,DALOU, GAOJIAQIAO,DIANBO,SHUXIE,GEREZHIDENG,HUIYINGXIANGDEDONGXITAIDUOTAIDUOLE,YIBANLAISHUO,CONGgpsWEIZHIXIANGSHANGKAN,NENGKANDAOTIANKONGDEMIANJI,JIUSHIgpsNENGSHOUDAOXUNHAODEMIANJI。

2.BUYAOYONGYILIANGCI,HUOYILIANGTIAN,JIUJUEDINGgpsDEHAOHUAI-YOUYUTIANKONGWEIXINGZHUANGTAIMEITIANDOUBUTONG,YEXUTONGYIGEDIFANG,SHANGWUSHOUXUNMANGE,DANWANSHANGWUFADINGWEI,DOUYOUKENENG,YEYOUKENENGYILIANHAOJITIANDINGWEIZHUANGKUANGDOUBUHAO。

3.BIJIAOgpsDEHAOHUAI,BIXUTONGSHITONGDIBIJIAO-HENDUORENXINMAIgps,DOUHUISHUO,WOZHIQIANYONGDENEIKEBIJIAOHAOZHILEIDEHUA,DANSHIZHEYANGSHUO,BUJIANDEZHENGQUE,YINWEISHIYONGSHIJIANDIDIANBUTONG,ZUIHOUDEJIEGUOSHICHAHENDUODE,BIXUCHANGQISHIYONG,HUOTONGSHITONGDI,CAINENGGANSHOULIANGZHONGgpsDEBUTONGDIAN。

4.GPSSHOUXUNQIANGDUBIAO,YIJINGBUZUYIZUOWEIGPSGOUMAICANKAO-DAJIAMAIgps,ZHIHUIKANZAIDIANZIDITUZHONGDESHOUXUNBIAO,YIQIANKENENGHUANMANZHUNDE,DANXIANZAIDEgps,WEILERANGSHOUXUNBIAOKANQILAIHAOKAN,SUOYIYOUJIAXUNHAO,HUOSHIFANGZHENDEXUNHAODENGDENG,SHOUXUNBIAOQUESHIHENPIAOLIANG,DANYEXUDINGWEIBUZHUN,SHENZHIBUNENGZHENGQUEXIANSHIYEBUYIDING。

5.MEIYOUSUOWEISHINEIDINGWEIDEgps-JIBENSHANGSHINEIMEIYOUXUNHAOJIUSHIMEIYOUXUNHAO,ZHENZHENGSHINEIDINGWEI,YAOCONGcold startKAISHIJIUZAISHINEI,DANYIYANGNENGDINGWEI,CAISHIZHENZHENGSHINEIDINGWEI,BUGUOJIBENSHANGSHINEIDINGWEIYIDIANYIYIYEMEIYOU,YINWEIWOBUHUIZAIJIALIDAOHANG。

6.GOUMAIgps,BUXUYAOYICHANGPAIWEIGOUMAIXUANZE,DANKEYIXUANZENEIBUSHIYONGDEXINPIAN-JIBENSHANG,ZUOgpsCHANGSHANGHENDUO,XUANZECHANGSHANGZHISHIKAOLVSHOUHOUFUWUERYI

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