而海底地形主要由水下山脉与山谷组成。
The underwater terrain is rough with underwater mountains and valleys, the BEA has said.
然后建立一组反映海底地形及其变化的数学模型。
Then a group of mathematical models for submarine topography change are established.
本文设计了一种适于水下应用的海底地形匹配系统。
Seabottom Matching System suited to underwater applications is designed.
地形匹配算法是海底地形辅助导航系统的关键技术之一。
Terrain match algorithm is one of the key technologies in seabed terrain aided navigation system (STAN).
海底地形的复杂多样也为冲绳独一无二的海洋美景增色。
The complex patterns in the sea floor geography gave rise to Okinawa 's unique ocean beauty.
水深(或海底地形)的数据往往是在船只上使用声纳测量海底采集的。
Bathymetric (or sea floor terrain) data is often collected from boats using sonar to take measurements of the sea floor. The lines reflect the path of the boat as it gathers the data.
但海底地形变化在不同的地段是不同的，且冲淤变化差异明显。
But submarine topography changed differently in the different area, especially in the kinds of erosion and siltation.
科学家基于海底地形图的最新数据，测量出地球上到底有多少海水。
Researchers put a number on how much seawater the world has, based on new data about the shape of the ocean floor.
利用海底地形进行辅助导航是水下潜器导航技术致力于研究的新方向。
Seabottom terrain mapping assistant navigation is a new method in navigation technology of underwater vehicles.
并提出用差分gps配合声纳测深进行动态连续定位，从而建立海底地形模型的设想。
The author proposed a tentative idea about forming the model of submarine terrain by the model of DGPS combining with Sonar system.
美国和日本的防务官员解释说，这可能是探测东海至太平洋路线的海底地形和搜集情报。
S. and Japanese defense officials interpreted it as a possible effort to map and gather intelligence about routes from the East China Sea to the Pacific.
控制本区有孔虫分布的主要因素是深海碳酸盐溶解作用、水团、海底地形以及残留沉积。
The main factors controlling the distribution of foraminifera in the area are dissolution of deep-sea carbonate, water masses, sea-floor relief and relict sediment.
不同分辨率模式模拟结果的对比表明，海底地形对海峡通道中的流动有着十分重要的影响。
The comparison of numerical results based on different resolution shows that the bathymetry has significant influence on the circulation in strait.
此外，南海北部深水区海底地形崎岖、多火山，还面临着地震采集、处理等地球物理难题。
Additionally, the topography in deep water area of the northern SCS is rugged, along with multiple volcanoes, which undoubtedly arises difficulties for geophysical data acquisition and process.
海底地形地貌能表现海洋世界重要的空间信息，也是常规光学和电磁手段难以探测的水下区域。
Seafloor terrain and relief can express spatial information of oceanic world, and they are also seafloor field that are difficult to be detected by optics and electromagnetism.
沙波沙脊区海底管线悬跨的产生，主要是海底地形、沙波的移动和区域性冲沟的发育所造成的。
The seabed terrain, sand wave migration and the growth of regional erosion ditch create subsea pipeline suspended span.
在此基础上，通过可视化处理，形成该区1968至2000年海底地形及其变化的多种可视模型。
Based on this, by the visualizing treatment, manifold visual models of submarine topography and its change have been formed in the area beginning from 1968 to 2000 year.
测高空间重力异常也可刻画陆架构造及盆地分布，由其推算出的海底地形含有大量的海底构造信息。
The altimetry free air gravity anomaly can describe structure and basin on continental shelves, and its derived submarine topography contains lots of submarine tectonic information.
利用历史资料实现了海域水深注记点的自动内插、海底地形特征点的自动选取和等深线的自动生成。
Automatic interpolation of charted depth annotated point, automatic selection of Marine topography feature point and automatic build of bathymetric contour come true by using history data.
它是一种高测量效率、高测量精度、高分辨率的海底地形测量设备，特别适合大面积的扫海测量作业。
It fits especially for mapping of large area of seafloor because of its high efficiency, high accuracy and fine terrain resolution.
多波束测深仪是一种高效率、高精度、高分辨率的海底地形测量设备，特别适合大面积的扫海测量作业。
Multi-beam swath bathymeter is a seafloor mapping equipment with high efficiency, high accuracy and excellent resolution, especially fitted for wide sweep mapping.
通过海洋物探方法和地质钻探施工，基本揭示了本区海底地形地貌特征、岩土层结构及土的物理力学性质。
By methods of engineering drilling and geophysical investigation, this survey had ascertained the topographical feature of seabed, strata structure and physical mechanics property within survey area.
现在已有足够的水深测量数据来绘制一张大西洋洋底地形图，而且我对海底地形的千变万化也有了一定的了解。
Today, enough soundings are available to enable a relief map of the Atlantic to be drawn and we know something of the great variety of the sea bed's topography.
可视化是地形数据解译的关键，它为揭示海底地形与其他海洋要素之间所蕴含的关系和规律提供了独到的方法。
Visualization is the key to understanding the topographical data and provides a special way of revealing the relationship and laws between submarine landform and other Marine factors.
海底地形不但考虑了离散点电子海图数据，而且也将某些特征数据考虑在内，从而生成相对精度较高的海底地形。
In order to get the more accuracy benthos terrain, not only the discrete electronic chart data but also the fathom lines etc data are considered.
该文提出的新思路对海底数字地图的模拟具有重要的参考价值，为海底地形匹配定位技术的研究提供了必要的前提。
The new idea of this article is significantly valuable to the simulation of sea-bottom digital cartographic, and it is the precondition of researching of sea-bottom terrain matching technology.
如何将GPS位置实时推算至海底地形点位置、获取海底测点在地理坐标系中的精确位置是一套十分复杂的计算过程。
It is complicated procedures that how to transfer the location of GPS to accurate survey point on sea-bed in geographic coordinate system.
波浪是最常见的海洋动力因素之一，波浪由深水传播至浅水后，受到水深、海底地形等因素的影响，逐渐表现出非线性特性。
Water waves are the most common dynamic factor of the ocean. Due to water depth and terrain, shallow water waves show nonlinear characteristics gradually that impact the coastal engineering.
波浪是最常见的海洋动力因素之一，波浪由深水传播至浅水后，受到水深、海底地形等因素的影响，逐渐表现出非线性特性。
Water waves are the most common dynamic factor of the ocean. Due to water depth and terrain, shallow water waves show nonlinear characteristics gradually that impact the coastal engineering.
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