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    GPS̬붯̬ģʽ

    2014-10-23 11:20:21Դ:
     ̬GPSStatic differential GPSϽǣнϳʱ䣨ͨΪСʱϣIJһǼľ
    αԭ
    αĿǰ;һּеòGPSջּʺ ߵίԱƼRTCM SC-104Ҳּ
    ڻ׼վϵĽջҪɼǵľ룬˼ľ뺬IJֵ ԱȽϡһα-β˲˲ֵ˲ƫȻǵIJ ûûô˲αࡣûøαλã Ϳȥ߶λȡ
    GPSĽͽջѸٷչGPSڲλѵõ˽Ϊ㷺ӦáǣԲͬûIJͬҪҪõľDzһġһ˵GPSģʽɷΪ̬Ͷ̬ģʽ̬ģʽֳַ澲̬ģʽͿپ̬ģʽ̬ģʽ׼̬ģʽ̬ͣͣʵʱ̬ģʽʵʱ̬ģʽDGPSRTKʽֱ£

    1澲̬
    ģʽ̨(̨)GPSջֱһߵˣͬ۲4ǣÿʱθݻ߳ȺͲȼ۲45ϵʱ䡣ģʽһԴﵽ5mmʮ1ppmԶλȡ 澲̬ڽȫԻҼؿؿ˶Уߡе½⡢꾮λܹ̿ȡ
     
    2پ̬
    ģʽһ֪վϰһ̨GPSջΪ׼վпɼǡƶվջεվÿվ۲ӡģʽڿĽܡ̲ؼȡ ҪעַҪڹ۲ʱȷ5ǿɹ۲⣻׼Ӧ20km

    3׼̬
    ģʽһ֪վϰһ̨GPSջΪ׼վпɼǡƶվջڽгʼεվÿվ۲⼸Ԫݡַͬڿپ̬˹۲ʱ䲻һ⣬ҪƶվڰվвʧҪ֪ʽгʼOTFܵʱ⣩
    ģʽڿļܿƲ̶λ鲿·ȡҪעַҪڹ۲ʱȷ5ǿɹ۲⣻׼Ӧ20km
    ⣬һ̬Ҳģʽֲһ׼㰲ýջпɼǡջڳʼʼ˶ָʱԶ¼ݡַھܲⶨ˶ĿĹ켣ⶨ·ߡȡ

    4ʵʱ̬DGPSRTK
    ǰ潲IJڲɼݺضĺдȻܵõȽϸߵIJʵʱ̬ʵʱõ߾ȵIJģʽ巽ǣһ֪վϼGPS׼վջпɼǣͨƶվݡƶվջͨƶվջ׼վݣڻдӶʵʱõƶվĸ߾λá
    DGPSͨʵʱֲΪ׼׼ַʽǻ׼վ׼վϲõRTCMͨ䵽ƶվƶվյRTCMݺԶн㣬õָԺꡣ
    RTKزλ۲ΪݵʵʱGPSGPSչеһͻơĹ˼·DGPSƣֻǻ׼վ۲ݷ͵ƶվǷRTCMݣƶվջٲøȽڻдӶõȱDGPSߵöʵʱַľһΪ2ҡ

     

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