【摘要】：近幾年來,隨著一股連續(xù)運行衛(wèi)星定位綜合服務(wù)系統(tǒng)(Continuously Operating Reference Stations,英文縮寫為CORS)的建設(shè)熱潮,至今為止中國絕大多數(shù)的省份和城市均已建成各自的CORS系統(tǒng),投入使用并取得了良好的效果。CORS系統(tǒng)現(xiàn)如今已然成為了我國地理空間參考框架的一項重要基礎(chǔ)設(shè)施,它要求根據(jù)用戶的不同需求向用戶提供不同精度的三維導航和定位服務(wù)。然而CORS系統(tǒng)的基準站網(wǎng)的自身的穩(wěn)定性對于保障CORS系統(tǒng)所分發(fā)數(shù)據(jù)的準確性和可靠性至關(guān)重要,是確保系統(tǒng)正常運行和提供優(yōu)質(zhì)服務(wù)的關(guān)鍵因素之一,也是系統(tǒng)運行維護過程中的一項重要內(nèi)容。本文以云南省綜合衛(wèi)星定位服務(wù)系統(tǒng)(Yun Nan Continuous Operational Reference System,英文簡稱為YNCORS)的部分基準站為例,探索利用GAMIT/GLOBK軟件研究和分析該CORS系統(tǒng)較大范圍內(nèi)各個基準站的穩(wěn)定性,以保證CORS中心所提供的基準站站點坐標信息及發(fā)送的差分數(shù)據(jù)準確性的方案。最后根據(jù)研究結(jié)果得到CORS站點的穩(wěn)定性結(jié)論,提出相應(yīng)的解決方案。研究結(jié)果表明:該研究區(qū)域內(nèi)所有基準站的自身穩(wěn)定性均較為良好,同時證明該方法在大規(guī)模CORS站穩(wěn)定性的研究中可行。
[Abstract]:In recent years, with the construction boom of (Continuously Operating Reference Stations, (CORS), the vast majority of provinces and cities in China have built their own CORS systems. CORS system has become an important infrastructure of geo-spatial reference framework in our country. It requires users to provide three-dimensional navigation and positioning services with different accuracy according to the different needs of users. However, the stability of the reference station network of CORS system is very important to ensure the accuracy and reliability of the data distributed by CORS system, and is one of the key factors to ensure the normal operation of the system and the provision of high-quality services. It is also an important part of the operation and maintenance of the system. This paper takes part of the reference station of Yunnan Integrated Satellite Positioning Service system (Yun Nan Continuous Operational Reference System,) as an example to study and analyze the stability of each reference station in the large range of the CORS system by using GAMIT/GLOBK software. In order to ensure the CORS center provided by the reference station point coordinate information and send the accuracy of the difference data scheme. Finally, according to the research results, the stability of the CORS site is obtained, and the corresponding solutions are proposed. The results show that the stability of all reference stations in the study area is good, and it is proved that this method is feasible in the study of the stability of large scale CORS stations.
【學位授予單位】：昆明理工大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：P228.4

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