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探究GPS大地测量作业的质量控制措施

FABUYU2020-11-02 17:31:30 | LAIYUAN:【SICHUANYIKEKEJIYOUXIANGONGSI】

     GPSDINGWEIJISHUYINWEITADEJINGQUEXING,MINJIEXING,YIDONGXINGHEBIANLIXINGERBEIDALIANGSHIYONGZAIDADICELIANGZHONG。DADICELIANGBUZHISHIDUIWUTIFANGWEIDECELIANG,YESHIZONGHEYUNYONGZHISHIDETIXIAN。GPSDINGWEIJISHUKEYICHULIZHEILEIWENTI。GPSDINGWEIJISHUYEDALIANGSHIYONGZAIPINGCHANGSHENGHUOZHONG,JIRICHANGSHENGHUOZAOCHENGLEJIDADEBIANLI。BENPIANWENZHANGZHUYAODUIGPSJISHUJINXINGLEJIESHAO,BINGJIANYAOSHUOLEGPSJISHUZAISHIYONGZHONGDEJISHUYAODIAN,BINGJIANYAOSHUOMINGLEGPSDEZHILIANGKONGZHICUOSHI,WEIYIHOUDECELIANGJISHUTIGONGZHONGYAODECANKAO。

  0.YINYAN

  BANSUIZHEXINDECEHUIJISHUHEFANGFADECHIXUJINBU,FEICHANGDUODEDADICELIANGDANWEICAIYONGGPSWANCHENGXIANCHANGXIANGMUCELIANG。SHIYONGGPSJISHUZAIHENDACHENGDUSHANGJIANSHAOLECELIANGGONGZUORENYUANDELAODONGLIANG,GONGZUOLVDEDAOLEFEICHANGDADETISHENG。JINGUANGPSDECAOZUOFANGFABIZHIQIANDECELIANGYIQIJIANDAN,DANSHEJIHUORENWEIYINSUHUIDAOZHIZHURUDIJINGDUHEDIKEKAOXINGDEWENTI。ZAISHIJIGONGZUOZHONG,YIDINGYAOCHIXUFAXIANBINGHUODEYIXIEJINGYAN,YITIGAOGPSKONGZHICELIANGDEZHILIANG。

  1.GPS JISHUDEJIANSHU

  GPSSHIQUANQIUDINGWEIXITONG(GPS)DESUOXIE。GPSZUICHUSHIYOUMEIGUOKAIFADEQUANTIANHOU,GAOJINGDUQUANQIUWEIXINGDINGWEIHEDAOHANGXITONG,TAZHUYAOSHIYONGYUSHIJIEGEDIDEJUNSHI。TAKEYIJINGQUEDIQUEDINGSANWEIWEIZHI,DONGXIANGHESHIJIANDENG。ZHEISHIWEIXINGTONGXINJISHUYUDAOHANGXIANGJIEHE,DADATISHENGLESHEHUIDEXINXICHUANSHUSHUIPING,GAOXIAODECUJINLEHULIANWANGJINGJIDEFAZHAN。GPSXITONGDEKONGJIANWEIXINGBUFENDEZUCHENGBUFENSHI24KEWEIXING,ZHEIJINGMIAODEDEBUJUQUEBAOLEGPSDINGWEIDEJINGQUEXING。DIMIANGUANCEBUFENZHUYAOYOUSANBUFENGOUCHENG:ZHUKONGZHI,DIMIANTIANXIANHEJIANCEZHAN。ZHUKONGZHANWEIYUMEIGUOKONGJUNJIDI,SHIZHENGGEDIMIANJIANCEXITONGDEGUANLIHEJISHUZHONGXIN。JIANCEZHANSHOUJIZHUYAOSHUJU,YOUGPSWEIXINGXINXIHEJIANCEZHANWEIZHIDEHUANJINGXINXIZUCHENG,BINGJIANGTAMENFASONGDAOZHUKONGZHIZHAN。YONGHUBUFENZHUYAOSHIGPSJIESHOUQI。QIZHUYAOGONGNENGSHISHIYONGGPSWEIXINGXINXIJISUANSHIYONGZHEDANGSHIDESANWEIWEIZHIHESHIJIAN。

  2.GPS JISHUZAIDADICELIANGZHONGDETEDIAN

  2.1 GPSDINGWEIXITONGZHONGSHIFENZHONGYAODETEDIANSHIQIJINGDU,KEANZHAOBUTONGDECELIANGJINGDUHEBUTONGDECAOZUOMOSHIJINXINGDIAOZHENG。ZAIDADIKONGZHIWANGLUOZHONG,KEYIZHIJIECONGGPSFASONGDEXINHAOZHONGHUODESANWEIDINGWEIDEZHUNQUEXINXI。KONGZHIWANGLUOZHONGDEBUTONGJIEDIANZHIJIANBUHUIYINWEICHUXIANSHULIANGLEIJIHUOZHEMEIGEDIANDOUYAOJISUANERZAOCHENGJISUANCUOWU。

  2.2YIQIDECAOZUOJIANDANFANGBIAN。

  XIANZAI,BANSUIZHEKEXUEJISHUDECHIXUFAZHAN,GPSJIESHOUJIYEZAIJINXINGXIANGYINGDEWANSHAN。YIBANQINGKUANGXIA,ZAICELIANGSHI,GONGZUORENYUANZHIXUYAOJIANGYIQIFANGZAISHIDANGDEWEIZHI,LIANJIEDIANXIAN,CELIANGTIANXIANDEGAODU,BINGGUANCHAYIQIDEYUNXINGQINGKUANG。SUOYOUQITAGONGZUODOUKEYIYINGYONGGPSCELIANGYIQIWANCHENG,LIRUWEIXINGFAXIAN,GENZONG,CELIANGHEJILUDENG。ZAICELIANGWANSUOYOUSHUJUHOU,GONGZUORENYUANZHIXUYAODABAOCELIANGGONGJUBINGDUICAIJIDESHUJUJINXINGBAOCUN,FANGZHICHUXIANXINXIYILOUDEQINGKUANG。MUQIAN,ZAIYIGEGUANCHADIANJINXINGLIANXUCELIANGGENGFANGBIAN。KEYITONGGUOSHUJUTONGXINZIDONGDUISHUJUJINXINGCHULI。HEJISUANJIYIYANG,JIESHOUQIDETIJIHEZHONGLIANGYEYUELAIYUEXIAO,ZHEIDADAJIANSHAOLECELIANGYUANDEGONGZUOLIANG。

  2.3ANPAIBUDIANSHIGENGJIALINGHUOFANGBIAN。

  TONGYIQIANSHIYONGDEDADIJINGWEIYIHEJUANCHIXIANGBI,GUANGDIANCEJUYIHEQUANCHENGCELIANGYIKEYIZHUNQUE、BIANJIEDICELIANGLIANGFEIWEIZHIZHIJIANDEJIANJU。DANTAZHINENGYONGYUBIAOMIANKUAN,BINGQIEMEIYOUSHENMEDONGXIFUGAIDEQUYU。TABUNENGYONGYUSENLINHESHANQU。GPSDINGWEIXITONGBUXUYAOCELIANGQUYUDEBIAOMIAN,BINGQIEBUXUYAOGUANCHAZHANBICIKANDAO。YINCI,BUZAIXUYAOJIANLICHAOXIANGBIAOJI,TAZHIXUYAOCELIANGQUYUDEKUANDU,GPSDINGWEIDEJINGDUYUCELIANGDEWULIXINGZHUANGWUGUAN。YINCI,GPSJISHUZAIDADICELIANGZHONGDEYINGYONGJUYOUGENGDUOYOUSHI。

  2.4DUIHUANJINGSHIYINGXINGQIANG

  GPSDINGWEIXITONGJIBENSHANGNENGGOUSHIYINGWAIBUDESUOYOUHUANJING,ZHEISHIDEDUIWAIBUHUANJINGDEYILAIXINGJIAODI。BUGUANSHIZAISHANDI,HAIYANG,PINGYUANSHENZHISHENSHAMO,CONGLINDENGELIEHUANJINGZHONG,DOUNENGBIAOXIANCHUCELIANGDEZHUNQUEXING,QISHIYINGXINGXIANGBIQITACELIANGXITONGGENGJIADEYOUSHIYINGXING。YUZHIQIANDEDADICELIANGFANGFAXIANGBI,GPSKEYIZAIDUOZHONGSHIJIANHEDUOYANGDEHUANJINGXIAGENGJINGQUEDICELIANGMUBIAO。

  3.GPSKONGZHICELIANGDEZHILIANGKONGZHI

  3.1SHIDANDUJIXIANDESHULIANGZENGJIA。ZAISHEJIGPSWANGLUODEJIEDUANZHONG,KEYIHELIDIZENGJIAGUANCHAZHOUQIDESHULIANG。BANSUIZHEGUANCEZHOUQIDECHIXUZENGJIA,DUIYINGDEJIXIANDESHULIANGYEJIANGHUIZENGDUO,BINGQIEZAIJIXIANSHULIANGZENGJIAHOU,GPSWANGLUODEKEKAOXINGKEYIYOUXIAOTIGAO。

  3.2QUEBAOYIDINGSHULIANGDEZHONGFUZHAN。WEILEBAOZHENGYIDINGSHULIANGDEZHONGFUZHAN,WOMENBUJINKEYIJISHIFAXIANZHANDIANDEWUCHA,JISHIDIAOPINGHEJIUZHENGCUOWUDESHUJU,HAIKEYITONGGUOTONGYIZHANDIANDEDUOCIGUANCELAIZENGJIAGUANCEZHOUQIDESHULIANG。

  3.3QUEBAOMEIGEZHANZHISHAOLIANJIESANGEDULIDEJIXIAN,ZHEIYANGKEYISHIZHANDIANYONGYOUHENGAODEANQUANXING。ZAISHEZHIGPSWANGLUOSHI,MEIGEDIANDEANQUANXINGYUDIANDEWEIZHIMEIYOUZHIJIEGUANXI,DANYUGAIDIANLIANJIEDEJIXIANSHULIANGXIANGGUAN,GAIDIANLIANJIEDEJIXIANYUEDUO,ANQUANXINGJIUHUIBIANDEYUEGAO。

  3.4JIANCHAGPSGUANCEJIXIANZHILIANGDEZUIJIAFANGFASHIYIBUBIHUANWUCHA。SUIZHEGOUCHENGYIBUHUANLUDEJIXIANSHILIANGSHULIANGDEZENGJIA,QIJIANCHAZHILIANGDENENGLIJIANGJIANJIANJIANGDI。SUOYI,YOUBIYAODUIYIBUXUNHUANDEZUIXIAOBIANSHUJINXINGYOUXIAOKONGZHI。SUOWEIDEZUIXIAOYIBUBIHUANYIWEIZHEBIHUANDEJIXIANBIANYUANSHIYIBUDE,BIANYUANDESHULIANGSHIZUIXIAODE。

  3.5TIGAOGPSWANGLUODEZHUNQUEXING。

  YIXIAFANGFAKEYONGYUTIGAOGPSWANGLUODEZHUNQUEXING:WEILEQUEBAOGPSWANGLUOZHONGXIANGLINDIANDEXIANGDUIZHUNQUEXING,BIXUTONGBUGUANCHAWANGLUOZHONGDEGUANBIDIAN,YIHUODELIANGZHEZHIJIANDEZHIJIEGUANCEJIXIAN;WEILETIGAOZHENGGEGPSWANGLUODEZHUNQUEXING,ZHENWANGLUOKEYIPUSHEZAIZHENGGEWANGLUOZHISHANG,ZHENWANGLUOSHIZHENGGEGPSWANGLUODEKUANGJIA;WANGLUOZHONGYIBUHUANDEZUIXIAOBIANSHUBUYINGCHAOGUO6。YAOTONGGUOGAOCHENGNIHEFANGFAQUEDINGWANGLUOZHONGMEIGEDIANDEZHENGCHANGGAODU/ZHENGGAODU,YINGXUANZEYIDINGSHULIANGDEPINGZHENGDIAN。DIAOPINGDIANDESHULIANGYINGJINKENENGDUO,BINGQIEYINGHELIDEFENBUZAIWANGLUOZHONG,BINGQIEYINGZAIWANGLUOZHOUWEIFENBUYIXIEDIANLAIBAOHANZHENGGEWANGLUO。WEILEZENGQIANGGPSWANGLUODECHIDUJINGDU,KEYIZENGJIAZHANGSHIJIANHEDUOZHOUQIDEJIXIANSHILIANG。

  3.6GPSJIXIANJIEJUEFANGANDEJINGQUECHULI

  GPSJIXIANJISUANTONGCHANGYOURUANJIANZIDONGWANCHENG,BUXUYAOFEICHANGDUODERENGONGGANYU。ZAIJIXIANJISUANZHIHOU,RUANJIANJIANGSHUCHUZHURUFANGCHABILVRATIO(YAOQIUDAYU3),RMS(ZHILIANGYUEXIAOYUEHAO)HERDOP(<5)DEYINZI。SHANGSHUZHILIANGZHIBIAOJINJUYOUYIDINGDEXIANGDUIYIYI,FANYINGLEJIXIANJISUANDEZHUNQUEXING,BINGBUNENGJUEDUIJIESHIJIXIANZHILIANG。KAOLVDAORUANJIANBENSHENSHEJIDEJIXIANQIUJIESUANFADEJINGDUBUTONG,DANGSHANGSHUZHIBIAOMANZUGUIFANYAOQIUSHI,YINGDAKAIJIXIANJIEDECANCHATU,YIJINYIBUKONGZHIJIXIANZHILIANG,JIXIHUAJIXIAN。JIEJUEFANGANBAOKUO:MINGQUEJIXIANCHULIZHONGDECHUXIANWUCHADEWEIZHI(ZHOUQIHUACHAXIUFUSHIFOUWANHAO,DUOJINGXIAOYINGDEYINGXIANG,WEIXINGGENZONGSHIFOUZHONGDUAN),QUCHUWUCHASHUJUZAICIJIEXIJIXIAN,YIQUEBAOZHILIANGJIXIANSHUNLIJIEJUE。SHUNBIANZHICHU,BINGBUSHIBAQUANBUDEJIXIANJINXINGXIHUA,DANJINXIANYUJUYOUXIANGDUIJIAOCHADERATIO,RMS,RDOPHEQITAZHIBIAODEJIXIANHETONGBUHUAN,YIJICHAOCHUXIANZHIDEYIBUHUANZHONGDEJIXIAN。

  4.JIEYU

  ZONGZHI,GPSCELIANGJUYOUGAOJINGDUHEGAOXIAOLVDETEDIAN。ZONGDELAISHUO,GPSCELIANGJISHUZAIYIDINGCHENGDUSHANGYIJINGQUDAILEZHIQIANDESANJIAOCELIANGHEHENGXIANGCELIANGFANGFA。TONGGUOYISHANGDUIGPSCELIANGJISHUDEYUANLIHETEDIANDEJIESHAO,WEILAIGPSCELIANGJISHUJIANGGENGYINGYONGZAIDADICELIANGZHONG,ZHEIYANGDEHUABUZHIHUIJIANGDILAODONGLIANG,HAIKEYITIGAODADICELIANGDEJINDUHEZHUNQUEXING。

 

 

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