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声速是多波束测深系统进行水深测量的重要参数。Acoustic velocity is an important bathymetric parameter for the multibeam sounding system.

在海底地形测量中，由于波束角效应导致探测的海底地形存在失真。In bathymetric survey, the recorded seabed is distorted due to the beam-width of the echo sounder.

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其次，对基于幅度和基于相位的测深算法的原理进行比较和分析。Secondly, bathymetric algorithm theory based on amplitude and phase has been compared and analyzed.

们与水深图稍有不同，后者实际上是洋底地形图。They differ somewhat from bathymetric charts which are virtually topographic maps of the ocean floor.

在海洋测深过程中，回声测深仪波束角效应使记录的测深图像失真。In bathymetric survey, the record seabed image is distorted due to the angular beam width of an echo sounder.

其中的地形变化包括慢变分量和小振幅快变分量。The bathymetric variation consists of a slowly varying component and a fast, small amplitude varying component.

探讨了基于高精度多波束水深数据的底质分类方法。In this paper, the bottom sediment classification method by using high precision multibeam bathymetric data is discussed.

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激光海洋测深仪是一种快速便宜的海深勘测系统，对绘制沿海区域海图有重大意义。Laser sounder bathymetric system is of great importance to be capable of charting coastal bathymetry rapidly and cheaply.

高精度的差分GPS定位是实现多波束系统高精度测深的最基本前提。The use of a high-accuracy DGPS is the premise for getting the high-accuracy bathymetric data by multibeam echo sounding.

文章还讨论了该测深数据绘图方法结合其他类型的测量仪器和其他打印机应用的问题。Additionally, the combination of this bathymetric data plotting scheme with other calibrating meters or printers is also discussed.

利用1958～2005年长江口地形图及实测水、沙资料，对瑞丰沙嘴的产生、演变过程进行了分析。Bathymetric maps from 1958 to 2005 and hydrographic and sediment data are used to analyze the form and revolution of Ruifengsha Spit.

机载激光海洋测深系统对快速而便宜地绘制沿海海图和探测潜艇有重要意义。An airborne laser sounder bathymetric system is of great importance to chart coastal bathymetry rapidly and cheaply and to detect submarines.

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根据大量测深和旁侧声纳资料，对南海北部海底微地貌特征进行了分析，并探讨了近代微地貌动态变化。Based on a large amount of bathymetric and side-scan data, the micro-geomorphic features and their recent change were discussed in the present paper.

通过对具体算法的主要影响因素进行仿真研究，得到算法在此因素影响下的测深精度和算法的适用条件。By simulating the mainly influential factors of specific bathymetric algorithm, the multibeam accuracy and the condition of application has been given.

在海洋测量中特别是大比例尺海洋工程水深地形测量中，极易产生水深数据的误差。The errors in water depth data are easy to be generated in the marine surveys, especially in the large scale bathymetric surveys for marine engineerings.

为了得到精细而准确的海底深度数据，提高多波束测深算法的精度和性能就显得十分关键。In order to obtain the data of depth precisely and accurately, it is important to improve the performance and accuracy of the multi-beam bathymetric algorithms.

利用多波束、侧扫声纳以及单道地震资料对胶州湾湾口潮流作用下形成的典型海底沙波地貌的平面形态、剖面特征和分布特点进行了分析研究。Based on multibeam bathymetric data, side-scan data and seismic profiles, morphology and migration of submarine sand waves in the Jiaozhou Bay mouth are studied.

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遥感测深技术是河口、海岸及其他水体的水深测量的一种新方法，运用该技术可以快速、准确地获取大范围的水下地形信息。Remotely sensed bathymetric technology has a wide application for thew ater-depth measurement in a co ast al zone, an estuary and other water bodies of different types.

应用近几年的水文和地形实测资料，研究了磨刀门拦门沙区域近期的动力和地貌演变特点。Hydrographic and bathymetric data have been applied to review the dynamic regime and morphological evolution in recent years in the sandbar area of the Modaomen estuary.

利用格网分块结构高效组织海量多波束水深数据，分别采用三种数学模型内插网格节点水深值，实现了不同网格尺度下的数据抽稀。The proposed method organized bathymetric data utilizing grid block structure, interpolated depth at grid node adopting three mathematical models and thinned data with multi-scale grid.