Dgps technical requirements of differential global positioning system 差分全球定位系統(tǒng)
Differential global positioning system dgps 差位全球定位系統(tǒng)
Application of differential global positioning system in reservoir capacity measurement at hydropower station 技術在水電站庫容測量中的應用
The precision of traditional gps standard positioning is not satisfied , it is limited within 10 - 15 meters even though sa has been canceled . differential global position systems have been developed greatly 傳統(tǒng)的gps標準定位精度并不高,在取消sa選擇可用性之后為10 - 15米,這極大限制了中高等精度定位的應用。
Differential gps has become the prime and essential positioning system for many applications . this paper introduces the principles of the differential global position systems . clarifies the arithmetic of the pseudo - range dgps . by the high - class differential reference station receiver called javad receiver which being used in our laboratory now , some necessary work has been done : data digging from javad receiver ; data decoding , data encoding , and data transmission through the net and pc serial port ; further more , the gps receiver interface language has been analyzed to control differential reference station receiver 因此,差分gps技術( dgps )應運而生,并得到飛速發(fā)展,其市場前景看好。 dgps在許多定位應用中已經(jīng)成為重要的定位系統(tǒng),本文論述了差分gps的原理,闡明了偽距差分的基本原理與算法:在實踐上針對實驗室現(xiàn)有的比較先進的javad差分參考臺進行了偽距差分修正量數(shù)據(jù)的提取、數(shù)據(jù)解碼、數(shù)據(jù)編碼、數(shù)據(jù)的網(wǎng)上傳輸。