声学相似性是水下结构噪声模型试验的基础。
Acoustic similarity is the base of scaled model tests of underwater structure noise.
水下结构物的安全拆除是一个世界性的难题。
Safe Dismantlement of underwater structures is a worldwide hard work.
识别结果为水下结构物的安全可靠性评估提供基础数据。
The results of flaws recognition can provide the basic data for safety evaluation of underwater structure.
对某水下结构，依据声辐射规律，利用互易方法估计了该结构的振动状况。
The vibration status of a certain structure was researched on the basis of the sound radiation property by using the reciprocity method.
根据水下结构混凝土裂缝中富含水分的特点，设计一种高性能复合注浆修补材料。
According to the characteristic of the cracks in underwater concrete structure that are full of water, a new type of high performance composite grouting was designed.
水下结构的自振频率不仅受流体动水压力和水深的影响，还受其运行速度的影响。
The self-vibration frequency of submarine structures are influenced not only by fluid dynamic pressure and water depth, but also by its moving speed.
水下结构声辐射和声传输的数值分析和主动控制研究，具有重要的理论意义和应用前景。
Numerical analysis and active control of underwater structural acoustic radiation and transmission are very important for achieving quiet submerged structures.
水下结构物在水下这种特殊的环境中会受到不同程度的损伤，其中裂缝缺陷是评估结构物安全可靠性的重要因素。
Underwater structure will be damaged in different degree in this kind of particular environment. Among these defections, the crack is the important factor to evaluate the reliability of structures.
在对裂缝的特征进行定量分析之后，应用计算机视觉技术计算出裂纹的真实长度和面积，相关的计算结果可为水下结构物的安全评估提供基础数据。
The real length and area of the crack are calculated by using computer vision technology. The relative calculating results provide the basic data for safety evaluation of underwater structure.
借助已有的水下爆炸理论，分析试验结果，总结了地基及结构振动的规律，指出二次振动现象与水中爆炸产生的气泡脉动有关。
According to the existing theories on underwater explosion and based on the analysis of experimental results, the laws of foundation and structure vibrations are summarized.
并基于某导弹缩比模型进行了实际测试，取得了导弹模型水下发射时发动机推力以及相应的结构壳体应变量等参数。
Practical tests of launching under water have been carried out based on a missile model, and parameters such as driving force of the engine and the structural strain of the model are obtained.
研究了加肋锥柱双层壳结构在水下爆炸作用下冲击响应的规律。
The paper researched on the rule of impact response for double taper-column shell structure with stiffening ribs subjected to underwater explosion.
本论文以双层加筋筒形结构为主要研究模型，探讨了水下爆炸作用下潜艇结构冲击环境研究的如下几方面的问题。
In this paper, double cylinder shell structure with stiffening ribs is used to solve some problems about the impulsive environment of underwater explosion for submarine structure.
针对水下作业环境的特点，对机器人的本体结构、磁路结构、控制系统和清刷作业装置等关键技术进行了系统的研究。
According to the particular condition of underwater robot work, the paper studies the related key technology, including body structure, magnetic structure, control system, cleaning work set etc.
整体式全封闭结构，确保在各种潮湿(可在水下1.5米处正常工作)、粉尘及腐蚀性环境中工作。
This product is fully closed structure and can work in every moist (it still can normal working under water 1.5 meter), dust and corrosiveness environment.
水下喷发火山岩典型标志为珍珠岩、玻璃质结构、枕状构造、纹层状凝灰岩和膨润土。
Typical features of subaqueous volcanic rocks include perlite with glassy structure and pillow structure, lamellar tuff, bentonite.
试验结果表明，该REPMBLDCM结构性能优良，能满足水下航行器操舵系统的要求。
The experimental results has shown that the high performance of the REPM BLDCM can meet the requirement of actuation system for underwater vehicle.
附加质量对水下航行器的结构设计有着重要的影响。
In the structural design of underwater vehicle, added mass plays an important role.
通过工程试验研究，观测到水下爆炸引起的地基及水中结构物的二次地震波现象。
The phenomena of secondary vibration of structures induced by underwater explosion are observed in the experiments.
在海底油气管道维修过程中，针对海底作业工况和油气管道的特殊结构采用水下金刚石绳锯机完成管道切割作业。
The job of maintenance adopts the underwater diamond wire saw for cutting the oil - gas pipelines aiming at the characteristic of the benthal condition and the structure of the pipelines.
沉没的宝藏，海洋动物和人造结构的所有组成的水下世界的神秘深处。
Sunken treasures, Marine animals and man-made structures all make up the mysterious depths of the underwater world.
使用ANSYS有限元软件建立带有推进轴系的潜艇尾部结构模型，用直接边界元方法进行潜艇尾部结构水下辐射噪声特性分析。
The finite element model of underwater structure with shafting is built by ANSYS. The characteristics of structural acoustic radiation are investigated by the direct boundary element method.
通过用声强测量系统对水下大型结构体进行了辐射噪声声功率的测定以及噪声源的识别和定位的实验。
The measurement of radiation noises from an underwater structure body and identification and location of noise sources were carried out by using a sound intensity measurement system .
采用数值计算和试验手段相结合的方法，对潜艇艇体结构在水下爆炸载荷作用下的损伤进行了研究。
The Dynamic response of submarine structure subjected to underwater blast loading was investigated by using both numerical calculation and experimental methods.
本文对水下航行器制导控制半实物仿真系统的结构和功能作了详细介绍，并以此半实物仿真系统为试验平台，通过试验对实时调度算法进行应用和验证。
This paper introduces the frame and function of underwater vehicle control and guidance hardware-in-the-loop simulation system in detail, which actor as the test flat, through.
研究开发了用超声法探测结构物水下裂缝的方法。
Untrasonic pulse method was developed to explore the cracks of structures under water.
采用非线性动力有限元软件LS-DYNA对典型舰船弦侧防护结构在水下接触爆炸载荷作用下进行数值仿真。
Simulated the typical ships broadside protection structure under the underwater contact explosion load by non-linear dynamical finite element software LS-DYNA.
提出了一种完全新型的旋转式水下运载器的系统结构，简要介绍了系统的工作原理，设计了模糊控制器。
This paper introduces a new type of spinning underwater vehicle with detailed il-lustration of its system structure and working principles and offers the design of a fuzzy con-troller.
介绍了USG600H水下切粒机的结构及工作原理，分析了主要操作条件对产品质量的影响。
The structure and runing principle of underwater strand-granulator type USG600H were in- truduced; The main operation conditions were analyzed how to affect the quality of the product.
另外由于水下爆炸对舰体结构的破坏其可能会降低轻型舰船的总纵强度并使其从靠近中间处断裂成两段。
Also, in addition to local structural damage, the longitudinal strength of a light ship may be so impaired that she will break in two near the middle.
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