PPP、GPS-PPK、大地水准面精化技术在勘界立标中的应用——以新疆巴尔鲁克山国家级自然保护区勘界立标工作为例

Application of PPP, GPS-PPK, Geoid Refinement Technology in Demarcation and Marking——Taking the Demarcation and Marking Work of Ballukshan National Nature Reserve in Xinjiang as an Example

由于连续运行参考站系统未能完全覆盖高山、沙漠地区,考虑利用精密单点定位、GPS-PPK和大地水准面精化技术,完成新疆地区自然保护区勘界立标工作。通过收集塔城自然保护区已有资料,在不同区域采用RTK与PPK相结合的模式进行标点测量,针对保护地勘界的涉及的差分信号缺失问题,采用与GPS连续运行参考站(IGS站)联测方法,保障了定位精度。

Because mountainous and desert areas are not fully covered by continuous operational reference sysem, it is considered to use precise single point positioning, GPS-PPK and geoid refinement technology to complete the demarcation and marking of nature reserves in Xinjiang. Based on the collection of the existing data in Tacheng Nature Reserve, the punctuation measurement is carried out in different areas by using the mode of combining RTK with PPK. Aiming at the lack of differential signals involved in the protection of geological prospecting, the joint measurement method with GPS continuous operation reference station(IGS station) is adopted to ensure the positioning accuracy.