RTK与PPK在江苏近海水下地理信息数据获取中的应用对比研究

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中图分类号：P229 文献标识码：A 文章编号:1672-3791(2026)02-0047-03

Comparative Study on the Application of RTK and PPK in the Acquisition of Offshore Underwater Geographic Information Data of Jiangsu

LIU Yang

Jiangsu Province Surveying & Mapping Engineering Institute,Nanjing, Jiangsu Province, 21oo13 China Abstract: This paper introduces the application principles of Real-Time Kinematic (RTK)and Post-Processed Kinematic (PPK) technologies,and compares their performance in underwater surveyingand mapping of non communicationareas near Jiangsu.The study reveals that both methods have their own advantagesand disadvantages in communication mode,operation mode,operation distance,and positioning accuracy,but the acuracy of PPK is significantly higher than thatofPTK.RTK technology，which reliesonreal-timecommunication,issuitable for small-scale real-time operations near the shore;PPK technology,with thehelpof post-procesing data,can overcome communication limitations and playan advantage in surveying and mapping in remote areas without communication.Therefore,it has higher applicability in underwater surveying and mapping inremoteareas near Jiangsu and can achieve the expected results.

Keywords: Real-Time Kinematic; Post Processed Kinematic; Underwater surveying and mapping; Ofshore noncommunicationarea

随着海洋工程建设的不断深入推进，江苏近海区域的水下测绘需求增长。（剩余5052字）