查询词典 impact wave

The different running speeds of the robot excited by sinusoidal wave and square wave were compared experimentally with each other, with the impact of the driving signal amplitude/frequency on the running speed verified.

在实验过程中，分别比较了在正弦波激励和方波激励下机器鱼的游动速度的差异，同时验证了驱动信号的幅值与频率对机器鱼游动速度的影响。

The speeds of different kinds of stress waves(such as compressed stress wave and torsional stress wave) are unequal under coupled impact load. So the internal forces in structure are different between different areas, and the boundaries of these areas are changing with time.

在耦合冲击载荷作用下，注意到各种应力波(如轴向压缩应力波和扭转应力波)的波速不同，结构被分成若干区域，各区域的内力不同，且这些区域的边界随时间变化。

By using wave mechanics , the process of impact driving pile is analyzed,and a mechanics mode of impact driving system which consists of hammer spring cup and pile is established.

应用波动力学分析了冲击沉桩过程，建立了由冲锤、桩帽和桩组成的冲击沉桩系统的力学模型，研究了冲锤重量、桩帽刚度和桩波阻抗对效率的影响，在此基础上，提出了冲锤、桩帽和桩的最佳方案。

After graduation, he continued to work at the same institute, engaged in the research of shock wave propagation in solids, hyper-velocity impact and shock wave consolidation. He obtained PhD in applied mechanics from the University of Cambridge in 1998 with a thesis about constitutive relations and elastic waves for cellular solids modeled as a micropolar solid.

毕业后继续在力学所从事高温高压下固体中冲击波传播、高速冲击及爆炸冲击波压实金属粉末的机理研究。1998年获英国剑桥大学应用力学博士学位，论文研究胞状固体材料本构关系及微极材料中弹性波传播的问题。

First, systematic study on propagation, reflection and interaction of axial stress wave is made to deduce the calculation equation for axial elastic and plastic stress wave, which fit for analysis of impact buckling of axial compression member.

本文首先对轴向应力波在构件中的传播、反射及相互作用进行系统分析，推导出适合轴心受压构件冲击屈曲分析的轴向弹、塑性应力波计算公式。

According to the results of the dynamic model tests of a 100,000-ton- berthing tanker, some analyses are given as follows: the dynamic characteristic of the drum-shaped rubber fender, the impact action of a tanker on wharf under action, the possibility for resonance of tanker impact with wave action, as well as the various factors which influence the tmpact energy of the tanker.

本文根据10万吨油轮系泊码头动力状态的试验成果，对鼓型橡胶护舷的动力特性、波浪作用下油轮对码头的撞击作用、油轮撞击与波浪形成共振的可能条件以及影响油轮撞击能量的诸因素等问题进行了分析。

Based on the wave theory oflongitudinal impact of a rigid mass on a elastic rod, this paper suggests asimple but believable method of calcu1ation of impact stress of buffer spring.

本文在综合分析刚性质量对弹性杆件的纵向撞击的波动理论的基础上，对缓冲簧的撞击应力提出了一个简便而信得过的计算方法。

The ANSYS/LS-DYNA software was used to simulate the stress wave pattern and the pulse width in the process, as the hammers had different masses and the radius of impact head and its elastic modulus had different impact velocities, and the prestressed bolt was excited by hammers with different masses and different hardnesses in laboratory.

然后运用ANSYS/LS-DYNA软件模拟了不同质量、撞击头半径和弹性模量的撞击杆以不同的速度撞击长杆的应力波形态和脉冲宽度，并在实验室对预应力锚杆用不同质量、不同硬度的力锤进行了激振试验。

Though in the impact process exists rebound phenomenon and the wave form becomes interrupting impulses, yett the energy loss of the mass is very low. So it is thought to link the interrupting impulses to a continuous wave form by using proper way and then to process the data by mature vibration analyzis technique.

该方法认为，尽管冲击过程中存在着&回弹&，波形成为断续的脉冲，但质量块在空中运动中能量损失很小，可以用适当的方法把它们组合成连续波形，以致我们可以用成熟的振动分析技术进行数据处理。

The impact of the vegetation changes in this region is analyzed, especially that of the agriculture area and evergreen area in the same period and the usefulness impact of the precipitation and evergreen needle-leaved forest or evergreen borad-l wave forest. The temperature changes is highly related with the NDVI.

降水量对地表植被的变化起重要的作用，特别是对农业用地植被和草地植被的影响；对于常绿针叶林和落叶阔叶林植被，降水的年际变化对地表植被的影响较小；温度的变化对地表植被的变化影响显著。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。