水面航行

AUV在近水面航行时，复杂的海流、海浪干扰将使其精确航向控制更加困难。

It is more difficult to achieve the accuracy heading control for AUV when it navigates near surface under the influences of ocean current and ocean waves .

第二，针对近水面航行的AUV路径跟踪控制问题进行研究，在载体坐标系下建立AUV路径跟踪误差动力学模型，提出了基于神经网络的自适应输出反馈控制器。

In the body coordinate frame , the path following error dynamics of AUV in set up and an adaptive output feedback controller based on neural network is proposed .

近水面航行二维水翼的水动力特性研究

Hydrodynamic Characteristics of 2-Dimensional Hydrofoil Moving near to Free-water Surface

近水面航行的导弹运载器弹道稳定性

Trajectory Stability of Missile Capsule Moving Near Water Surface

近水面航行物体绕射问题的时域解

A time-domain simulation of diffraction for a body near free surface at forward speed

牛牛，你天性喜欢在平静的情绪水面航行，但当别人的价值观与你冲突时你也会激起些许的浪花。

You naturally prefer to sail on calmer emotional waters , but you can also stir up a few waves of your own when your values clash with someone else 's.

数学仿真和稳定性分析结果表明导弹运载器在近水面航行时具有较强的抗纵向扰动能力，运动是稳定的。

The results of mathematical simulation and stability analysis show that the missile capsule has good performance of anti-longitude disturbance when navigating near water surface , and the motion is stable .

文中介绍了关于三种不同声源的声图像试验及试验结果，即：水下五元十字形声源的声图像；某型水下发动机的声图像和一艘水面航行船模的声图像。

Three experiments are described in the paper , i.e. the sound image of cross array with five elements , the sound image of underwater engine , and the sound image of moving ship model .

8月23日，核潜艇首次出海进行航行试验，先后进行了水面航行，潜望镜深度潜水和深潜试航，一切顺利，潜艇航行性能良好。

The nuclear-powered submarine went to sea on August 23 for the first navigating experiment , carrying out the water surface navigation having been in progress successively navigates , the periscope 's depth diving and the deep diving trial . The whole process of navigation was smooth and the function of the boat was fine .

我们在明亮如镜的水面上航行。

We were sailing on a glassy sheet of water .

船舶在水面上航行，受到海风、波浪等随机干扰后，会产生复杂的非线性运动。

When ship sailing on the sea , it will produce complex non-linear movement for the disturbance of wind , waves and other random noise .

船舶在水面中航行，由于外部的极端复杂环境的影响可能会导致船舶发生非线性运动。

The ship to sail on the water , due to the extreme complexity of the environment may lead to non-linear movement occurs to a ship .

帆船运动是一项水上运动项目，在水面上航行时帆和风向之间的夹角，风向和风力的大小等都是不断地变化的。

Sailing is a sport on water , the angle between wind direction and the sail as well as the wind direction and the wind speed will always change , especially the wind direction .

另外，文章对AUV近水面定深航行的情况进行了研究，针对二阶波浪力的特点，应用均衡系统来克服二阶波浪力对AUV定深航行的影响。

In addition , the motion of AUV when it navigates near surface in fixed-depth was researched . Aimed at the characteristic of the second-order wave force , the balanced system was used to overcome the influence of the second-order wave force .

目前，国内外综合补给船主要用于大型水面舰艇的航行补给，其自身的吨位、尺度都比较大。

At present , the most replenishment ship is designed for large naval vessel , which require their tonnage and dimensions is also large .

超声心动图评价水面舰艇艇员环球航行后心功能变化

Echocardiographic evaluation of cardiac functions of surface-vessel sailors after global sailing

水面舰船迎浪航行时大幅运动预报的切片算法

Numerical algorithm for predicting large amplitude motion of ship in head waves

海军水面舰艇编队环球航行中晕船者24小时动态心电图分析

Analysis of 24-h Holter on seasick sailors in Chinese PLA navy global visiting task group

同时，仿生射流表面减阻技术在水面、水下航行器、管道输送以及航空等领域具有广阔的应用前景，对节约能源及经济发展具有重要意义。

Simultaneity , using bionic jetting surface drag reduction technology has a broad prospect in the fields of above-water and under-water vehicle , pipelines and aeronautics .

先生，那完全是出乎意外.我那时正在水面下二米航行，所以发生了冲撞。可是我也看到斯各脱亚号并没有受到很大的损失。

Entirely accidental , sir . I was navigating two meters beneath the surface of the water when the collision occurred . However , I could see that it had no dire consequences .

目的：比较研究长时间水面和水下航行对艇员心身健康水平的影响及其特点，为提高长航艇员的心理健康水平提供科学依据。

Objective : To study and compare the effects and features of long term voyage on psychological health of sailors in naval ship and nuclear-powered submarine , so as to provide scientific basis for enhancing the level of psychological health of sailors during long term voyage .