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    īͶӰ˹-ͶӰUTMͶӰصȽԲ׶ͶӰ

    2013-07-01 16:54:20Դ:

    1ī(Mercator)ͶӰ
    1.1 īͶӰ
    ī(Mercator)ͶӰһ”ȽԲͶӰ”ͼѧīУGerhardusMercator151215941569ⶨΧһпյԲ׼γԲнӴȻټһյƣϵͼͶӰԲϣٰԲչһѡ׼γϵ“īͶӰ”Ƴĵͼ
    īͶӰûнǶȱΣÿһijȱȣľγ߶ƽֱߣֱཻǣ߼ȣγ߼ӱ׼γīͶӰĵͼϳȺԣ׼γޱΣӱ׼γ󣬵Ϊиԣ˷໥λùϵȷ
    ڵͼϱַͽǶȵȷīͶӰŵ㣬īͶӰͼͼͺͼѭīͶӰͼֱߺУ򲻱һֱĿĵأԴںжλȷ򶼾ߴܴ󷽱㡣
    “׵ͼ淶”GB/T17834-1999ݣй涨125򼰸СߵĺͼīͶӰлߺ׵ͼ151251100򣩲ͳһ׼γ30°ǻͼͼγΪ׼γߡ׼γȡȻ֡
    1.2 īͶӰϵ
    ȡ߻Զԭ㾭(L0)ͶӰΪԭ㣬߻Զԭ㾭ߵͶӰΪXᣬͶӰΪYᣬīƽֱϵ 


    2˹-(Gauss-Kruger)ͶӰUTMUniversalTransverseMercatorͶӰ
    2.1 ˹-ͶӰ
    ˹-Gauss-KrugerͶӰһ“ȽǺԲͶӰ”¹ѧҡѧҡѧҸ˹CarlFriedrichauss1777һ1855ʮͶʮⶨ󾭵¹زѧҿJohannesKruger185719281912ͶӰʽԲ䣬һԲͶӰ뾭ߣͶӰ뾭ͶӰΪֱҳȲͳͶӰΪֱߵ뾭һΧڵͶӰԲ档ȻԲعϱĸ߼չƽ˹һͶӰƽ档
    ˹һͶӰ󣬳뾭ߺͳΪֱ⣬߾ΪԳ뾭ߵߡ˹-ͶӰûнǶȱΣڳȺϱҲС뾭ޱΣ뾭ͶӰԵӣͶӰڳˡͶӰȸߣСҼ㣨ͶӰһ£ֻҪһݣӦã**ߵͼӦãϸҪͼϽоȷ㡣
    һ滮ֳͶӰǸ˹ͶӰƳȱεЧִʱҪƳȱʹ䲻ڲͼҪʹ¹Լٻ㹤ݴԭ򽫵߻ֳɾȵĹϰεشԱִͶӰͨ6Ȼ3ȷΪȴȴȴ0ÿ6򶫷ִαΪ12…60ȴȴĻϷֳɵģȴߺͷִغϣ1.5ÿ3򶫷ִαΪȴ12…120ҹľȷΧ73°135°ɷֳȴʮһ뾭Ϊ75°81°87°……117°123°129°135°ȴʮ
    ҹڵ50Ĵбߵͼȴ˹-ͶӰȴ˹-ͶӰ**߲ͼǽȴĸ˹-ͶӰ
    2.2 UTMͶӰ
    UTMͶӰȫΪ“ͨúīͶӰ”һ“ȽǺԲͶӰ”Բγ80ȡγ84ȸȦͶӰľûбΣ뾭ϳȱ0.9996UTMͶӰΪȫսҪģ1948ͨͶӰϵͳļ㡣˹-ͶӰƣͶӰǶûбΣ뾭ΪֱߣΪͶӰĶԳᣬ뾭ߵıȡ0.9996Ϊ˱֤뾭Լ330kmʧı׼ߡ
    UTMͶӰִ˹-ͶӰƣ180°ÿ6򶫷ִ򻮷Ϊ60ͶӰ
    ҹӰϳUTMͶӰ
    2.3˹-ͶӰUTMͶӰͬ
    ˹-(Gauss-Kruger)ͶӰUTMͶӰUniversal Transverse MercatorͨúīͶӰǺīͶӰı֣ĿǰһЩָ֧˹-ͶӰ֧UTMͶӰ˳аUTMͶӰ˹-ͶӰ󡣴ͶӰηʽ˹-ͶӰ“ȽǺԲͶӰ”ͶӰ뾭ֳ߱Ȳ䣬ϵΪ1UTMͶӰ“ȽǺԲͶӰ”Բγ80ȡγ84ȸȦͶӰûбΣ뾭ϳȱ0.9996ӼҪڱϣ˹-ͶӰ뾭ϵıϵΪ1 UTMͶӰΪ0.9996˹-ͶӰUTMͶӰɽƲ X[UTM]=0.9996 * X[˹]Y[UTM]=0.9996 * Y[˹]תע⣺500000ףתʱ뽫Yֵȥ500000ϱӺټ500000ӷִʽߵķִ㲻ͬ˹-ͶӰ0ÿ6򶫷ִ1뾭Ϊ3°UTMͶӰ180°ÿ6򶫷ִ1뾭Ϊ-177°˸˹-ͶӰĵ1UTMĵ31⣬ͶӰĶαƫƶ500˹-ͶӰαƫΪ㣬UTMͶӰαƫΪ㣬ϰΪ10000
    2.4˹-ͶӰUTMͶӰϵ
    ˹- ͶӰUTMͶӰǰִԽͶӰʸɶϵͳ뾭ߣL0ͶӰΪXͶӰΪYύ㼴Ϊԭ㡣Ϊ˱ֵָ˹- ͶӰUTMͶӰй涨500ﵱʼᣬUTMϰͶӰ˽500⣬10000ڸ˹-ͶӰUTMͶӰÿһͶӰ궼ǶԱԭֵԸȫͬΪijһϵͳһͨںǰϴţ(4231898m21655933m)21Ϊš


    3صȽԲ׶ͶӰ
    صȽԲ׶ͶӰҲԲ׶ͶӰͶӰ΢ԲͶӰΪԲΡΪֱߣγΪͬԲԲָ׼γQ1Q2γûгȱ,M=N=1ͶӰҲеȽǸԲ׶ͶӰУСߵͼȽԲ׶ͶӰй㷺ӦãرΪγȴγչͼ֮ͶӰͶӰΪֱ,γΪͬԲԲҹķʡͼΪ׼γΪQ1=25ȣQ2=45ȵصȽԲ׶ͶӰ1962Ժ󣬰һͼ˵ȽԲ׶ͶӰ(γ80ȣγ84)õȽǷλͶӰ(ͶӰ)
       ͼַΪ:
       γ60£γȲ4     6ȷַ
       γ60-76γȲ4      12ȷַ
       γ76-84γȲ4     24ȷַ
       γ84-88γȲ4     36ȷַ
       88-90Ϊһͼ
       ÿͼ׼γߵγ:
       Q1=QS+40  (γ)   Q2=QN-40(γ)
       ͶӰǷֱߣͼȫƴӣϱͼ϶
       ҹõȽǸԲ׶Q1=PHIS+35    Q2=PHIN-35

       вشijڴݸϢ֮Ŀģζͬ۵֤ʵݽο
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