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ProMark2???????顱 |
??????????ProMark2???????????Ashtech???????????????????GPS?????????????С?????????????????????????????????? ???????? 1?? ?????????5mm??1ppm??D?????????????????????????????????? 2?? ????8M??棬??洢72С????????? 3?? ???????????????????????????α?????????????????????????????0.64??? 4?? ???????????????ε?????????????????????????????? 5?? GIS?????????????????????????????????????? 6?? ?????????????????????????????????????????Ч?????????????????λ???????????????????????????????????????????? GPS??????? 10?????ж?????GPS?????? L1C/A????????????? ??????? ????????? ????0.005m??1ppm??D ?????0.010m??2ppm??D ??λ??<1?? ??????20??60???????????????????? ????????? ????0.012m??2.5ppm ?????0.015m??2.5ppm ??????????5???? ?????? ????????10?? ?洢????8M??棬???72С????? ???????? ????2??5???? ???????8С? ??????? ???????56mm??34mm ?????12?? ????1??RS232??? ??????? ?????? ?? ?? ????0.14Kg ????????0.45Kg ??磺 ???????158mm??51mm??33mm ????????190mm??96mm ???????? ??????? ????????-10????+60?? ?洢????-20????+70?? ?????MIL-STD 810E??????????? ???????1.5m??????????? ???ProAntenna????? ????????-55????+85?? ??????????????? ???????2m???????????
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