海洋地形

但是，在近海，由于受到近岸陆地、海洋地形、地球物理环境等因素影响，高度计数据质量下降，导致近海高度计数据缺失较为严重。

However , in coastal water the quality of altimetry data decline severely due to the influence of coastal land , ocean topography , geophysical environmental factors , leading to the lack altimetry data in coastal water .

海洋学家称，海事安全局或许还需求助于美国国家航空及太空总署（NationalAeronauticsandSpaceAdministration，简称NASA）的卫星技术，用于从太空中研判海洋地形，以精确定位移动物体的位置。

Oceanographers say the maritime authority may also be relying on National Aeronautics and Space Administration , or NASA , satellite technology used for studying ocean topography from space to help pinpoint the location of moving objects .

自主水下航行器（AUV.AutonomousUnderseaVehicles）无论是从民用还是军用的角度上讲，都具有广泛的应用前景和开发潜力，如进行海洋地形勘察、矿场侦察、海洋污染侦察等。

AUV ( Autonomous Undersea Vehicles ) has large-scale applied prospect and potential in both military and civil application , for instance , the reconnaissance of ocean terrain 、 the recce of mineral resources and the reconnaissance of ocean pollution etc.

新一代卫星重力探测任务GRACE大大提高了地球重力场模型中长波分量的精度，使得联合卫星测高平均海面分离更精细稳态海洋动力地形成为可能。

The new gravity explore mission GRACE , which provides significant improvement in global gravity field model of the Earth , makes separating precise mean dynamic ocean topography ( MDOT ) from altimeter-derived mean sea surface ( MSS ) possible and efficient .

联合卫星重力和卫星测高数据确定稳态海洋动力地形

Combining altimeter and gravity satellite to compute quasi-stable dynamic ocean topography

GB17501-1998海洋工程地形测量规范

Specification for marine engineering topographic surveying

特殊的低纬高原、邻近热带海洋、地形地貌复杂、山高坡陡、植被少、降雨集中、地质构造复杂、断裂活动强烈是形成云南气象灾害的地理环境因素。

The geographical environment elements to form weather disasters in yunnan include low latitude plateau , approaching tropical oceans , complicated topographical features , cliffy mountain , few vegetation , concentrated rainfall , complicated geological structure and strong fault actions .

近年来，我国陆续从国外引进大量多波束测深系统，并广泛应用于江河、水库、湖泊、海洋水下地形的测量；

Many multibeam systems have been imported to China in recent years for applications in the fields of : underwater topographic mapping of rivers , reservoirs , lakes and seas ;

多波束测深声呐是当代海洋开发、地形测绘、资源探寻的重要设备，在我国开展高分辨率多波束成像声呐技术的研究具有广阔的应用前景和重要的战略意义。

Multi-beam bathymetry sonar is an important tool which is widely used in sea exploration and seafloor mapping . Research on the technology of high-resolution multi-beam imaging sonar in our country has wide prospects and great significance .

提出了一种用于AUV视景仿真的海洋环境中海底地形和海流的虚拟实现方法。

One kind of virtual implement method of benthos terrain and current in the ocean environment , which was used to realize AUV visual simulation , is presented .

有些研究人员认为，火星曾有广大的海洋：影像和地形资料暗示著有海岸线与平缓海底的存在。

Some researchers have argued that Mars had extensive oceans : images and topographic data hint at shorelines and smooth ocean floors .

为了降低问题的复杂度和提高算法的求解效率，本文提出了一种海洋环境下的地形预处理方法。

A simple method of pretreatment to the terrain environment is proposed to reduce the complexity of problem and improve the computational efficiency .

海表面温度是海气界面上的一个物理量，受到海洋潮汐、海底地形等因素影响，并对海洋大气边界层有着重要的影响。

It is affected by ocean tide and ocean bottom topography etc * SST has an impact on marine atmosphere boundary layer ( MABL ) .

于是我们很容易得到了非常简单的谐波形式的本征模态解，为进一步讨论海洋内波与海底地形相互作用带来很大方便。

In this way , we are easy to obtain a very simple harmonic solution , which facilitates the further discussion on the interaction between ocean internal wave and submarine topography .

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 .

本视景系统从真实的电子海图数据中提取海洋地理信息数据库，并根据这些数据库建立海洋地形模型利实体模型库。

In this scene system , Derive ocean geographic information database from actual electronic chart data , and according to these database build ocean terrain and entity model database .