發(fā)布時(shí)間：2019-06-11 04:18

【摘要】：隨著經(jīng)濟(jì)快速發(fā)展,我國對于大比例尺地形圖的需求越來越高,傳統(tǒng)航測技術(shù)在生產(chǎn)效率和精度上都無法滿足要求。在本次試驗(yàn)中,通過研究GPS實(shí)時(shí)動(dòng)態(tài)差分技術(shù)和數(shù)據(jù)后處理等關(guān)鍵技術(shù),提高了數(shù)據(jù)精度。實(shí)現(xiàn)了固定翼無人機(jī)航攝系統(tǒng)在山區(qū)丘陵和城區(qū)居民地兩種復(fù)雜地形的1∶500大比例尺DOM和DEM的制作,通過精度檢查表明,其精度完全滿足1∶500大比例尺DOM和DEM的要求。同時(shí)擺脫了傳統(tǒng)航攝影像制作時(shí)需要外業(yè)像控測量的作業(yè)模式,大大提高了生產(chǎn)效率。
[Abstract]:With the rapid development of economy, the demand for large scale topographic maps in China is getting higher and higher, and the traditional aerial survey technology can not meet the requirements in terms of production efficiency and accuracy. In this experiment, the data accuracy is improved by studying the key technologies such as GPS real-time dynamic difference technology and data post-processing. The fabrication of fixed-wing UAV aerial photography system in 1 渭 500 large scale DOM and DEM in mountainous, hilly and urban residential areas is realized. the accuracy check shows that the accuracy fully meets the requirements of 1 脳 500 large scale DOM and DEM. At the same time, it gets rid of the operation mode which needs the field image control measurement in the traditional aerial photography production, and greatly improves the production efficiency.
【作者單位】： 國家測繪地理信息局第二地形測量隊(duì);
【分類號】：P231

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