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本文介绍了应用PC—1500计算机实时以坐标记入水深测量后方交会定位点的方法。它有助于在控制点分布条件较差的海区和气象条件欠佳的季节开展水深测量,且提高精度和工效。一年来,此法已在黄大岙航道(温州港咽喉)浅滩(每月两次)定期重复测深中取得了满意的效果,保证了精度要求和任务的完成,为该航道的可行性研究提供了基本资料。
This article describes the application of PC-1500 computer real-time measurement of water depth into the cross-dating method of positioning points. It helps to make water depth measurements in poorly controlled sea areas and in meteorologically poor seasons, with improved accuracy and ergonomics. In the past year, this method has achieved satisfactory results in regular and repeated sounding of the Huangda River Channel (Wenzhou Port Throat) shoal (twice a month), which has ensured the accuracy requirements and the completion of the task, and provided a feasibility study for this channel Provided the basic information.