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介绍基于HZMB-CORS的GPS-RTK三维多波束水深测量的基本原理、外业采集软件QINSy中的关键设置与操作、内业处理软件Caris中的GPS-RTK潮位的导入与计算方法。通过实地水深数据采集试验与传统验潮的多波束水深测量方式进行比对,分析其验潮精度、外符合精度以及内符合精度,指出了GPS-RTK三维多波束水深测量在显著提高作业效率以及降低作业成本的同时,有效提升了多波束测深精度以及测深稳定性。
This paper introduces the basic principle of GPS-RTK 3D multi-beam water depth measurement based on HZMB-CORS, the key setting and operation in field acquisition software QINSy and the introduction and calculation method of GPS-RTK tide level in Caris. Based on the comparison of the multi-beam water depth measuring method with the traditional tide-measuring method, the accuracy of the tide-measuring, the external coincidence and the internal coincidence are analyzed. The results show that the GPS-RTK 3D multi-beam water depth measurement can significantly improve the working efficiency and Reduce operating costs at the same time, effectively improve the multi-beam sounding accuracy and sounding stability.