• ??ӭ?????й????????     
  • ?ղر?վ
  • |
  • ??ҪͶ??
  • ??ע???ǣ?
  •  ΢ ??
  • Cehui8.com ????????Ϣ??ҵ??һƷ???Ż?
???????| ???????| ר??̽??| 3S| ????б?| ???չ??| ??Ʒ????| ???淶| ????????| ???ñ???| ???????| ????| ??ַ??ȫ|?˲?|??̳
??ҳ > ???????? > ??·

??????????·GPSʩ??????????

2013-08-25 16:04:18????Դ: ?????̳
????
2 ʩ??????
3.2.1 ʩ??????????
3.2.1.1
??????֯??????ʽ????ģ
??Ա???Ŀ???ص㼰??????·?ĸ߱?׼Ҫ?󣬲?????֯?????????˾??????ᄀ??????ԭ?򣬴??ϵ??½???һ֧???ɸ?Ч????֯?????????Ĺ?????????????ȫ??Ŀ?IJ?????????????
??Ŀ???????IJ???????????Ŀ???ܹ???ʦ?ܸ????ɹ??̲?????IJ???????ʦ???帺????Ŀ??????????ʦ?͹??̲???ͳһ??֯??Э???ܶ??ڵIJ???????????????ҵ????????????ӣ?????????ҵ???????̲?????????Թܶη?Χ?ڵĿ??Ʋ????ʹ??͹?ͨ???????????Ӧ???в?????????ơ??????ɹ????????Լ????????????ϵļ???ȹ????????ɹ????빤?̲????;???ӳ????ˣ????˺ϸ???ܹ???ʦ??ˣ??????Ŀ???????????λ?????????ֲ????????뾭??????λ?????󷽿?ʹ?á??ճ?ʩ?????????????ɸ????㼼???????˺͹???רҵ????????ʦ????
3.2.1.2
??????Ա???????????ú?ԭ??
3.2.1.2.1
??????Ա?????ú?ԭ??
???ھ?????????·?Բ????????ĸ߱?׼Ҫ??Ϊ?˸??????????ʩ???????еIJ?????????????Ͷ?뾭??ḻ????????ǿ????Ա?齨???ɸ?Ч?IJ??????????顣
??ʩ????Χ????ĿͶ??߼?????ʦ2?ˣ?????????ʦ24?ˣ????3???????鸺??ȫ?ܶεIJ????????????ڹ??̲????????????ȫ?渺????????ϵ??ͨ???ڲ??IJ?????֯Э????????
3.2.1.2.2
?????????????ú?ԭ??
??Ը?????·?ĸ߱?׼????Ҫ?󣬾?????ʩ????Ͷ?뾫?ȸߣ????ܿɿ??IJ??????????Ա?֤?????ľ??Ⱥ?Ҫ??
??????Ͷ??GPSȫ??λϵͳ???⿨GPS3200???ջ???3̨???⿨TCA2003ȫվ??5̨???⿨TC1800ȫվ??5̨???⿨TC1200ȫվ??4̨?????տ?AT-G1??0.7mm/km???Զ?ˮ׼??5̨?????տ?AT-G3??1.5mm/km???Զ?ˮ׼??5̨??DSZ2ˮ׼??10̨??
3.2.1.3
ƽ????Ʋ???
3.2.1.3.1
ƽ????????ĸ??⼰????
???ܶ?ƽ????????ĸ???ͼ??ܷ?Ϊ?????֣?????ƽ?????????CP?????ĸ??⡢??·ƽ?????????CP?????ĸ???ͻ?׮????????CP?????IJ??輰???ܡ?
?ڽ???׮??ɺ???Ŀ????????֯??????Աչ??ƽ????????ĸ??⹤????ƽ????????ĸ???????Ŀ???ܹ???ʦ?ܸ????ɲ???????ʦǣͷ????????֯??ҵ?????????ʵʩ??
??????????·??ƽ?????????Ϊ????ƽ?????????CP????????·ƽ?????????CP??????????Ƶ?λ?ṩ??????????Ҫ??ߡ?????ƽ?????????CP????????·ƽ?????????CP????ͨ??????GPS B????GPS C???????ĵȵ??????????п??Ʋ??????ڿ??Ƶ??ƽ??Ժ󣬸??????Ժ?Ľ?׮???ϣ??ƶ??????ƻ??飬????˫Ƶ??̬???ջ???????CP1??CP2???Ƶ????ͬ???ȸ??⣬?????޲?;???Ҫ???Դ?Ϊ׼??CP1??CP2???Ƶ㸴????????ϱ??򱣴???ҵ?۲??¼??ԭʼ?۲????ݡ??????õ????Ժ????ԭʼ?????Լ????⾫?ȷ????ͼ??????档CP1?????????û???˫??̶??⣬??????ά??Լ??ƽ?CP2????????CP1???⹹?ɸ???????ͨ???????CP1??????????Լ??ƽ???????ת????
??׮????????CP????Ҫ????õ??߲??????м??ܡ??Դ??š??ش??Ž??м??ܿ??Ƶ?ѡ??????裬׮?IJ????????Ժ??׮һ?£???λӦԶ????ʵ????ߵ緢??Դ???????̨??΢??վ?ȣ???????벻С??400?ף?Զ???ѹ?????·???????Ӧ??????200?ף???????Ӧ??ǿ?Ҹ????????źŽ??յ????壬?ܿ??????ˮ??????֣?ѡ????λ??Ӧ???Ƶ??ʾ??ͼ?????õ?֮?ǣ?????1??2000ͼ?ϱ????λ?á??۲?????????ҵʵ??Ϊ׼?????????˹???Ԥ????δ?ﵽ?ļ??㾫??Ҫ??ĵ㣬һ?ɷ????ز⣻????ȼ??Ӧ???ϡ?????ר?????Ĺ????·???̲??????й涨????Ҫ?󣬲????????ز⡣CP????????Ӧ???ϵ?CP????CP???ϣ??????ù̶?????ƽ?
???⹤???????????ݺϸ??Ӧ????????ʽ?????渴?ⱨ?汨???????λ?????????ͽ??赥λ?浵??
???⹤?????????????????Ժ?????Ŀ??Ƶ?̤??һ?飬?Բ??ȶ???׮????ܱ??ƻ???׮???мӹ̡?
3.2.1.3.2
ƽ????????ĸ???ɹ???ȷ??
????????????Ƶ?λ????ɹ??IJ???ֵ????????Ҫ??ʱ??Ӧ??????Ƶ?λ????ɹ???
CP
?????Ƶ?ĸ???Ӧ????X??Y?????ֵ??????±2cm??Ҫ??
CP
?????Ƶ?ĸ???Ӧ?????3.2.1-1Ҫ??
??3.2.1-1  ??·??????(CP??)?????޲?Ҫ??
ˮƽ?? ???߷?λ?DZպϲ? ???루mm?? ???߳??ȱպϲ?
??″ ≤
????D ≤??????0000
ע??mDΪ??????ƾ??ȡ?
???ڸ???????з??ָ?????????Ƶ?λ?ṩ?Ŀ???ɹ?????ʱ??Ӧ?????²???????ȷ????Ƶ?λ??????????????߾??Ȳ????Ϲ涨Ҫ??ʱ??Ӧ?????汨????Ƽ???????λ????Ѱ?????ƵĽ????????
3.2.1.4
?߳̿??Ʋ???
3.2.1.4.1
ˮ׼??ĸ???
???????Ժ?ύ??ˮ׼???????ϣ????밴????ˮ׼???????Ҫ?󸴲⣬????????ˮ׼?ǰ?????ˮ׼?????ľ??Ƚ???ȫ?ܶε?ˮ׼???⣬ˮ׼??????????·Ӧ??ԭ?ȵ????ˮ׼·??һ?¡???????300???????????ڣ?Ӧ????ˮ׼?㣻???ܵ?ˮ׼?㵥?????ã?Ӧ??????ˮ׼??????Ҫ??ʩ?⡣
??ˮ׼?㸴???޲??????3.2.1-2Ҫ??ʱ??Ӧ??????Ƶ?λ????ɹ????γ???ʽ?ĸ??ⱨ?汨???????λ?????ͽ??赥λ?浵????????????????Ƶ?λ?Ŀ???ɹ??IJ???ֵ?????޲?Ҫ??ʱ??Ӧ???²???????ȷ????Ƶ?λ????????򾫶Ȳ??????޲?Ҫ??ʱӦ??????????ʽ?ϱ???Ƽ???????λ????Ѱ???ʵ??Ľ????????
3.2.1.4.2
ˮ׼???ļ???
??ˮ׼????ܶȲ???????ʩ????Ҫʱ????Ҫ????ˮ׼?㣬?????ˮ׼??һ?????·????Լ100?ס?150??Ϊ?ˣ??Ա???ʩ???????ƻ???????ˮ׼??Ӧ
??3.2.1-2  ˮ׼?㸴???޲?Ҫ??
???? ????ˮ׼ ???? ?ĵ?
 
12
20
30
3.2.1.4.2 ˮ׼???ļ???
??ˮ׼????ܶȲ???????ʩ????Ҫʱ????Ҫ????ˮ׼?㣬?????ˮ׼??һ?????·????Լ100?ס?150??Ϊ?ˣ??Ա???ʩ???????ƻ???????ˮ׼??Ӧѡ?????ʼ?ʵ????ȫƧ?????۲ⷽ??????ڳ??ڱ???ĵط?????ʯ????ɲ??û?????????Ԥ?ơ??ֳ?????򰴱?ʯ???????????????????ֳ????????裨?μ????????????ĵ?ˮ׼?????淶??????????ˮ׼?????۲?Ӧ?ڱ?߳????????ȶ?ʱ???У???????Ƿ????Ӧ???????߳??ȡ?
3.2.2
???¹???ʩ??????
3.2.2.1
һ?㹹???P·???Ŀ??Ʋ???
????ɹ??????Ժ󣬸?????Ƶ?λ??????GPS?㡢???ߵ?Կ????????м??ܣ???????·????׮?Լ????ߡ????ߺ?һ?㹹?????ʩ??????????Ҫ?????ܿ??Ƶ㰴?ĵȵ??߲??????Ƚ??п??ƣ?????DJ2??ȫվ??ʩ?⣬???ܵ????????Ƶ?λ??????GPS?㡢???ߵ㣬?ǶȲ?
?÷???۲ⷨ?۲?4??أ????????۲?2??ز????С??ӳ˳??????????????????ͶӰ????????ʩ??????????ʱ?ɲ??ÿ??ˮ׼?????????????Ǹ̲߳???ʩ?⡣
ˮ׼??????뵼?ߵ????ͬ?????У??????ĵ?ˮ׼?????????Ǹ̲߳???ʩ?⡣?????????Ǹ̲߳???ʱ??ֱ????˿???۲?3??أ????????۲?2??ز????мӳ˳??????????????????????ˮ׼??????????ˮ׼???㡣
???ߵ??????ˮ׼????ܲ???????????ƽ?????ƽ??
3.2.2.2
???ݴ?????ƽ?????
GPS
?????????ߴ???????ƽ???Լ??ƽ?Լ??ƽ?????ת???Ⱦ??????챦GPS???????????TGOffice???м??㡣????????ˮ׼??ƽ?????????人???Ƽ???ѧ????????ɵ???湤?̲???????ҵһ?廯??????ƽ??ģ?????????ƽ????㣬?ɹ??ļ???????????????㻥???ˡ?
3.2.2.3
???¹??̵?ʩ??????
????ʩ??ʱ??????ȫվ?ǰ??????귨????ʩ?????????????ظ???????պϲ????ķ??????У??????????м?ˡ?????׮λ??????ɲ????þ???ͬ?Ŀ??Ƶ????ͬһ??׮λ????顣???ڲ?????????Ƶ??ʩ?????ؽϽ??????׷???λ?ƣ?ÿ??????ʩ??????ǰ????????ÿ??Ƶ???м?˲?????????ʩ?????Ƶ???ж??ڻ򲻶??ڵĸ??˲?????????ʩ??????ʹ?õ???ʱˮ׼??Ӧ???????߳̿??Ƶ??ϣ?ÿ??ʹ?ö?????˲?????
3.2.2.4
???¹??̹?ͨ????
???¹????깤?Ժ???Ŀ??????????ʦӦ??????֯??ҵ????????ӽ??йܶ?ȫ?ߵ???·???ߺ͸̲߳???????ͨȫ?ߵ???̺͸̣߳?????????¹??̵?׼ȷ?ԡ???ɺ󽫹?ͨ???????ϱ??ͼ?????λ??˺??ƽ????ʩ????ҵ?ӣ????ж?̨?????????????Ӧ?ֱ??ƽ???????ҵ?Ӻ͹??ʩ????ҵ?ӡ?
3.2.3
???¹???????β???
3.2.3.1
???μ?????Ľ????????ι۲?㲼??
3.2.3.1.1
???μ?????Ľ???
Ϊȷ?????Ĺ????????ʱ?????Լ?Ϊ??Ӫ??????ά???ṩ???ݣ????????¹??????ݺ?????????μ???????????????ˮƽλ?Ƽ????????ֱλ?Ƽ??????
ˮƽλ?Ƽ???????ö???????ϵͳ??????ƽ??????????????һ?β?????ɡ?????????CP????CP?????Ƶ?ļ????ʱ????????һ??CP????CP?????Ƶ????⣬?Ա????????ר?????Ĺ????·???̲???ƽ??????ϵͳ??ʵ??ˮƽλ?Ƽ??????????ʩ??ƽ?????????????໥ת????ˮƽλ?Ƽ????????Ҫ????Ҫ?????3.2.3-1??
??
?? ???ڻ?׼???
??λ????mm?? ƽ???߳???m?? ????????
???? ?????????
????? ??ҵҪ??
һ
?? ±1.5 ??300 ±0.7 ≤1/250000 ?˰?????һ??ƽ????Ʋ???Ҫ??۲?
  
??150 ±1.0 ≤1/120000 ?˰????Ҷ???ƽ????Ʋ???Ҫ??۲?
??
?? ±3.0 ??300 ±1.0 ≤1/120000 ?˰????Ҷ???ƽ????Ʋ???Ҫ??۲?
  
??150 ±1.8 ≤1/70000 ?˰?????????ƽ????Ʋ???Ҫ??۲?
??
?? ±6.0 ??350 ±1.8 ≤1/70000 ?˰?????????ƽ????Ʋ???Ҫ??۲?
  
??200 ±2.5 ≤1/40000 ?˰??????ĵ?ƽ????Ʋ???Ҫ??۲?
??
?? ±12.0 ??300 ±2.5 ≤1/40000 ?˰??????ĵ?ƽ????Ʋ???Ҫ??۲?
??ֱλ?Ƽ?????ɸ?????Ҫ????????????????ˮ׼????????ʩ?⣬?̲߳???ʩ???߳̿?????ϵͳ??????????ˮ׼????ļ????????ʩ???׶???????һ??ʩ???߳̿??Ƶ????⣬ʹ??ֱλ?Ƽ??????ʩ???߳̿??????̻߳?׼һ?£?ȫ?߶???ˮ׼??ͨ?󣬽???ֱλ?Ƽ?????????ˮ׼???????⣬????ֱλ?Ƽ?????̻߳?׼?黯??????ˮ׼?????ϡ??۲?ʱ?????Ҷ???ˮ׼?????ļ???Ҫ??ʩ?⡣??ֱλ?Ƽ????????Ҫ????Ҫ?????3.2.3-2??
?ȼ? ???ڻ?׼??߲?????mm?? ÿվ?߲?????mm?? ?????ϲ???ͻ??߱պϲmm?? ????Ѳ?߲?ϲmm?? ʹ?????????۲ⷽ????Ҫ??
һ?? 0.3 0.07 
 
DS05
???????????߳???≤15m??ǰ???Ӿ??≤0.3m???Ӿ??ۻ???≤1.5m???˰?????һ??ˮ׼?????ļ???Ҫ??ʩ??
???? 0.5 0.13 
 
DS05
?????????˰?????һ??ˮ׼?????ļ???Ҫ??ʩ??
???? 1.0 0.3 
 
DS05
?ͻ?DS1?????????˰??ݹ????ˮ׼?????ļ???Ҫ??ʩ??
?ĵ? 2.0 0.7 
 
DS1
?ͻ?DS3?????????˰??ݹ?????ˮ׼?????ļ???Ҫ??ʩ??
3.2.3.1.2
???β??????????
???β??????Ϊ??׼?㡢????????ͱ??ι۲?????֡?ÿ???????ļ???????ò?????3???ȹ̿ɿ??Ļ?׼?㣬??׼??ѡ???ڱ???Ӱ?췶Χ??????ڳ??ڱ?????ȶ?λ?á?ʹ??ʱ???ȶ??Լ??????飬?????ȶ???????ȶ??ĵ???Ϊ?ⶨ???εIJο??㣬??׼??ļ?಻????1km??
Ϊ??????ι۲⾫??Ҫ??????ˮ׼????֮??????·???򰴼?಻????200m??ԭ???蹤?????㡣???????????????ø???ʽ??պ?ʽʩ?⣬?????ڲ???ʩ?????ŵ??ȶ??????ڣ??Ա㳤?ڱ????ʹ?õĵص㡣?????????????20mm??60cm????Բ???ĸֽ???????У?׮???ϲ?30cm?û???????ע?̶?????š??Թ۲??????Ϻû?۲???Ŀ???ٵĹ??̣??ɲ??蹤?????㣬?ڻ?׼????ֱ?Ӳ??????ι۲?㡣?????۲?????У?????????Ӧ??????ˮ׼???????У?ˡ????Գ????۲?ɹ?????????ʱ??Ӧ??ʱ???и???У?ˡ?
3.2.3.2
???ι۲ⷽ??
?۲⾫??????????ˮƽ???ι۲????????????ȱ??벻????1?롢2mm+2ppm??????ˮ׼????????Ϊ1???ס??۲?ʱ?估?۲?Ƶ?Σ?һ??Ϊ1??/?졣??????ͻ??ʱ2-3??/?졣???Ĺ????????һ????1??/2??,??2??3????1??/?£???3??12????1??/3?¡?
ˮƽλ?Ʋ???Ӧ???????й涨??
??????ǰ?????ᷨʱ???????Ӧ??60°??120°֮?䣬???˲??????㽻?᣻
?????þ?γ??Ͷ?㷨??С?Ƿ?ʱ???Ծ?γ?ǵĴ?ֱ????б??Ӧ???м??飬????ֱ?dz???±3°??Χʱ??Ӧ???д?ֱ????б??????
?????ü????귨ʱ????߳?Ӧ????ȫվ?Dzⶨ???????øֳ?????ʱ?????˳???һ?߶Σ???Ӧ???г߳??????????¶Ⱥ͸߲?????????
????????׼?߷?ʱ??????????ƫ???׼?ߵľ??룬??Ӧ????2cm???Ի??????λ?Ӧ???вⶨ??
????ֱλ?Ʋ???Ӧ???????й涨??
?? ??ֱλ?ƹ۲??ľ??Ⱥ͹۲ⷽ??Ӧ?????±??Ĺ涨??
??3.2.3-3  ??ֱλ?ƹ۲??ľ???Ҫ??͹۲ⷽ??
?ȼ? ?߳??????
??mm?? ???ڵ???????
??mm?? ?۲ⷽ?? ?????ϲ???ϻ??߱պϲ?
??mm??
һ?? ±0.3 ±0.15 ???˰?????һ?Ⱦ???ˮ׼?????⣬??????˫ת?㣬????≤15m??ǰ?????Ӿ??≤0.3m???Ӿ??ۻ???≤1.5m?? ≤0.15
???? ±0.5 ±0.3 ?˰?????һ?Ⱦ???ˮ׼?????? ≤0.30
???? ±1.0 ±0.5 ?˰??????й涨????ˮ׼?????? ≤0.60
?ĵ? ±2.0 ±1.00 ?˰??????й涨????ˮ׼?????? ≤1.40
?? ??ֱλ?ƹ۲?ĸ????¼??????ע???۲?ʱ??????ͺ??ر仯?????
3.2.3.3
???μ??۲?ɹ???????
?۲?????Ӧ??ȫ????ϸ???淶??????Ƽ???ϸ??Ҫ?󡣸??ֹ۲????ݱ????ڹ۲⵱?켰ʱ???????????۲???????緢?ֱ????쳣?????ʱ֪ͨ???̲????з??????????۲????Ͼ????????ܺ??йع涨???ɲᱨ???????λ??˲??浵??
3.2.3.3.1
???ι۲?????
????γɵı??μ??????Ӧ????????
?? ʩ?ⷽ???뼼??????飻
?? ???Ƶ???۲??ƽ?沼??ͼ??
?? ??ʯ????־???????ͼ??
?? ??????????У?????ϣ?
?? ?۲??¼?ֲ???
?? ƽ????㡢?ɹ????????????ϼ??????ɹ?????
?? ???ι??̺ͱ??ηֲ?ͼ????
?? ???η????ɹ????ϣ?
?? ???β??????????档
3.2.4
?????۲?
???ܶο???ר?߳????۲???ҪΪ?????????۲⡣
3.2.4.1
?????????۲?
?????????۲??Զ?̨?????ij?????ԤӦ??????????????????Ϊ?????????????깤?Ժ?????Ӧ??λ????
?۲????й۲⣬?????۲???һ?㲻????6???£??ػ??????????Ϻõ??????????۲??ڲ?????2???£????۲????ݲ???򹤺????????????????Ҫ??????Ӧ?ӳ??۲?ʱ??
?????Ķ?̨?۲???????ڶն??????????̨?ϣ?ÿ????̨?ϵIJ??????????????4????
?????????۲??Ƶ?β??ա?????ר????·?޲???????????????????ָ?ϡ??????Ҫ??ִ?С?
3.2.4.2
?????۲?????
????γɵij????۲?????Ӧ?ð?????
?? ????????۲???桢??λ???ñ???
?? ??????۲????ϻ??ܱ???
?? ??????̨?????۲????ϻ??ܱ???
?? ԤӦ??????????????Ϲ??۲????ϻ??ܱ???
3.2.5
????ʩ??????
3.2.5.1
???????̻???
???????̻?????Ӧ????????Ҫ??
?? ????????Ϲ????????Ĺ???????????????IJ???????Ϲ?ֵ??????7mm??
?? ???????ˮƽ??????ˮƽ???????β?????????????ȵ?1/4000????????????ˮƽ????????ĸֹ?????֧??ĺ???λ?Ʋ?????1mm??
?? ??̨Ӧ???Ƴ??????????Ĺ??????󣬶?̨?ij?????????20mm?????ڶ?̨?ij????????5mm??
3.2.5.2
??׮??????(CP??)?IJ???
??????????ʩ????ǰ??Ӧ?????????ƽ????Ƶ????·???Ƶ???ĵȵ??߲??????ȶ???·???߽??й?ͨ?????????????Ĺ??ʩ????Χ???????׮????׮??Ϊ???ƻ?׮?ͼ??ܻ?׮???֡????ƻ?׮ԭ????ֱ?߶?100m??һ???????߶?50m??һ????????·????ضΡ????߿??Ƶ㡢??·???µ㡢????????ֹ???Ӧ??????ƻ?׮????׮һ??????????·????ȹ̡??ɿ????????ƻ??ͱ??ڲ????ĵط?????Ӧ??ȡ?????????????Ϳ??ƶ???ʩ?????Ƶ??ʶӦ????????ȫ??????׼ȷʶ???ʹ?á?????????ʱ???ƻ?׮???????????ǿ?ƶ??бꡣ
??׮??????(CP??)?IJ?????????ȵ??߲??????Ƚ??п??ƣ??̲߳?????ƽ????Ƶ㹲׮?????þ???ˮ׼????ʩ?⡣????ˮ׼????????ڶ???ˮ׼?㣬ˮ׼·?߳??Ȳ??˳???2?????ʩ??ʱ?侫??Ӧ?????±?3.2.5-1Ҫ??
?????õ??߲???ʱ????׮??????(CP??)Ӧ???͵?CP????CP???ϣ?????λ?DZպϲ????ȫ????Ապϲ????Ҫ??ʱ??????ù̶????ݽ???????ƽ????㣬?????ú󷽽??ᷨ????ʱ????׮??????(CP??)Ӧ???ö???ƽ?????CP????CP??????ƽ???ֶθ??ͻ???ƽʱ???ڶ?Ӧ?ص????ص????Ȳ?ӦС??1km??
??3.2.5-1  ???߲?????Ҫ????Ҫ??
?????????? ???ϳ??ȣ?km?? ?߳???m?? ????????
??mm?? ????????
???? ???ڵ?λ?????????
??mm?? ????ȫ????Ապϲ??޲? ??λ?DZպϲ??޲?? ??Ӧ???ߵȼ?
CP
?? ≤1 150??200 3 4 5 1/20000 ±8
???
??׮??????(CP??)???Ƶ?????????޲?Ҫ???Ӧ???ù̶??????Ƶ??ʶӦ????????ȫ??????ʹ?ã??????Ʋ???ƽ??ʾ??ͼ?Ϳ??Ƶ???????õ?֮?ǣ???????λ?á???̡????ƾ??Ҫ?ء?
?ڻ?׮??????????????Ժ?Ӧ????????м?⣬???????ݡ???????????޲?Ӧ????????Ҫ??
?? ?????Ƶ??н?ʱ??????۲ⲻӦ????????أ??????????۲??????أ?
?? ???Ƶ??ľ???????ƫ??Ϊ1/20000??ֱ?߶ο??Ƶ??н???180°?ϲ?ӦС??8″?????߶ο??Ƶ??н??????ֵ?ϲ?????????·????ƫ??ӦС??1.5mm???ҳ?????ֵ?????ֵ?ϲ?ӦС??2mm??
3.2.5.3 
??·????????
??·????????ǰӦ??CP?????Ƶ???и??⡣??Ҫ??????ʱ?̹??׮ʱ??Ӧ??CP?????Ƶ?Ϊ??׼????????·?????ϣ??侫??Ӧ???㡶??桷??7.3.1????Ҫ?󡣸ֹ????ʹ?õ?????
?˲??ù??С????????Ҳ?ɲ???ȫվ??+ˮ׼?Dz????????ù??С??????ʱ????????????Ϊ1????????ࡣ????ȫվ?ǣ?ˮ׼?Dz???ʱ??Ӧ???????й涨??
?? ????CP?????Ƶ??????ƽ??λ?ú͸̣߳?????಻Ӧ????2m??
?? ??10m??ȷ???ֹ?Ĺ???͸ߵͣ?10m?Ҳ?????Ӧ????2m??
??ȫվ?Dz?DZ?ƾ???≤1"??????ƾ???≤1mm??1ppm???̲߳?????????ˮ׼????Ҫ??ʩ?⡣
??·??????????????ɺ?Ӧ??????·???̳߳ɹ?????
3.2.6
????????
???ܶο???????Ϊ???¹??̽׶??Կ???????
3.2.6.1
???¹??̽׶??Կ???????
?????¹????깤?Ժ?????Ŀ??????????ʦ??֯ǣͷ????Ӧ?ܶεľ????????չ????????????????????????Ӧ???㡶????ר?????Ĺ????·???̲??????й涨????Ҫ?󡣸??????ݺϸ?ʱ?γ???ʽ?Ŀ????????ļ??????????λ??˲??鵵???档
3.2.6.1.1
??·???߲???
??????·??ͨ?????Ľ????????·??׮??ֱ????ÿ50mһ??????????ÿ20mһ?????????蹫??׮??????׮???????????յ㡢???µ㡢?????????յ㡢?????????ġ??ź????ĵȴ????ü?׮??
??·???߼?׮????CP?????Ƶ???裬????׮λ?޲?Ӧ????????S/20000+0.005(SΪת????׮λ?ľ??룬??m??)??????±10mm??Ҫ????·???߼?׮?߳????ö???ˮ׼???????????׮?߳??޲?Ϊ±10mm???ڼ??????߼?׮??ͬʱͬʱ????·?????????Ƿ??????޽?Ҫ??
3.2.6.1.2
??̨????
??????̨ʩ????ɺ?????????????ǰҪ??ȫ????????̨???ݡ??????????ߡ?֧?е?ʯ???̡߳???Ƚ??й?ͨ???????????????̨?ݡ??????????ߡ?֧???????ߡ??????߼?ê˨??ʮ???ߣ???ɺ󽫲????????????????ҵ?ӡ?
??????̨????ƫ?????
??3.2.6-1  ??????̨????ƫ??
??Ŀ ƫ?mm??
??̨?ݡ??????????߾???????ĵľ??? ±20
??һ????֧?е?ʯ????̲߳? 4
֧?е?ʯ????߳? 0
-4
??????????ɺ??ȫ?????߹?ͨ?????????????ϱ????????????λ?á????????ƽ???ȡ????????˵ĸ߲???????Ⱥ???????ȣ???ɺ󽫲????????????????ҵ?ӡ?
3.3
???鼰???
???顢????DZ?֤????????????Ҫ?ֶΣ???ʩ????Χ??ʩ??ȫ?????ϸ?ִ?????е?ʩ???淶????????????????׼????????????̺??йس????ļ????⽨????????????????????ҵ???Ȩ??,????ҵ?????????Լ???Ȩ??λ??ͬ???ա?
3.3.1
??֯????????
???ݱ??ܶεĹ?????????????ֳ???ʵ???????????????Ŀ?ܹ???ʦΪ?쵼?ļ???????????鹤??????С?飬?齨?????????ң???ɸ???Ŀ????????ͼ????????
?? ??????Ŀ?ܹ???ʦ
???鳤????????????
?? Ա????Ŀ????רҵ???ܹ???ʦ??????ҵ????רְ?ʼ?Ա??????Ա??
3.3.2
????ְ??
???????????ҵ??쵼?£???????Ͻ??Χ?ڵ??????⹤?????????ټ????????׼????̡??????ƶȵ?ִ???????????????з??????йؼ??????⣻?????ҽ??????Ƶ???????֤??ϵ??????ʩ????????????ϵ?ļ?Ҫ???д?????ֲᣬ???ݰ????????豸?????ƶȡ???Ʒ?????ƶȡ??????ƶȡ??????ļ?????ҵָ????ȡ?
?е????ܶ?ί?еĸ?????ϱ?ѡ???????Լ?ɰ??ʯ??ˮ?ࡢ??Ӽ????????????ֲ???ѧ???ܺ͹??????ܡ???ˮ????ϵ????鼰???顣
???ָ????????????Ա?ڸ????ܻ?????