Because ship rolling is the heaviest motion of a ship in waves, it is important to study ship rolling modeling and prediction in order to improve ship's seaworthiness and wave-resistance.
船舶横摇运动是对船舶航行影响最大的运动,研究船舶横摇运动的建模与预报对于提高船舶适航性、耐波性有重要意义。
The law of least resistance or shortest path of spread of stress wave as well as general propagation model of stress wave are given.
提出了前兆应力波扩展与传播的最小阻力或最短波径定律以及地应力波传播的概略模型。
The correlation between cyclic liquefaction resistance of undisturbed and remolded saturated loose silts was studied using the cyclic triaxial apparatus with measurements of shear wave velocity.
采用剪切波速与振动三轴联合试验装置,研究了具有松散结构的原状和重塑饱和粉土抗液化强度之间的相关性。
Complexity wave analysis is a very sophisticated computer model of the Resistance Movement which predicts future trends based on cosmic cycles and free will vector analysis.
复杂波分析是抵抗运动使用的电脑运算模型。这套非常复杂的电脑运算模型利用宇宙循环和自由意志向量分析预测未来的趋势。
The traveling wave fault location has high reliability accuracy and anti-disturbance capability , and it also immunes from the fault resistance and the neutral grounding modes.
行波测距法具有较高的可靠性和精度,抗干扰能力强,且不受故障电阻及系统运行方式的影响。
The effects of ship form parameters on wave resistance of SWATH are analyzed, and the select method of the parameters during ships design is presented.
讨论分析了船型参数对SWATH兴波阻力的影响,提出了船舶设计过程中对船型参数的选择方法。
In the wave of globalization, China is not an exception, but the history sedimentation of the national character will have a great resistance to globalization.
在全球化席卷全球的浪潮中,中国也当然不会例外,但是这种历史沉淀的民族性会对全球化产生很大的阻力。
Characteristics of wave making resistance of double rowing shell was discussed as well.
还分析了双人赛艇兴波阻力和所需功率随体重的变化特性。
It also analyses the influence of attenuation of stress wave cased by the soil resistance and the damp of pile shaft material in dynamic pile test on the precision of pile shaft integrity test.
分析了动力试桩中,因土阻力和桩身材料阻尼引起的应力波衰减作用对桩身的完整性检测精度的影响。
By comparative analysis, the dependence of the resonant frequency, voltage standing wave ratio, bandwidth and input resistance on different geometric parameters is obtained.
通过比较分析,得到了天线谐振频率、谐振点电压驻波比、带宽以及输入阻抗随不同几何参数的变化规律。
The resistance test, the regular wave test and the irregular wave test of a larger scale model are carried out.
进行了较大尺度模型的静水阻力试验、规则波试验和不规则波试验。
Penetration performance in surface layer of concrete target was analyzed by stress wave damage theory, calculating method base on "simplified equivalent resistance line" was presented.
从应力波表层损伤理论分析了混凝土表层“开坑区”的侵彻特性,提出“简化等效阻力线”的计算方法;
As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship's power and limits its speed.
作为一个船舶技师,科克雷尔在寻找解决波浪阻力的方法,因为波浪阻力浪费掉了船在水面行驶的大量动力,从而限制了船的速度。
Using this model and the relevant dyadic Green's function, some characteristics of a rectangular patch antenna near resonance, such as radiation resistance and space wave efficiency, are analysed.
应用此模型,并结合分层介质中的并矢格林函数,分析了贴片天线的辐射阻抗、空间波辐射效率等特性。
Based on results of the model test, the influence of chine strips on resistance, rolling, pitching, heaving, loss of speed in wave and turning qualities of this form is discussed.
本文主要根据模型试验研究的结果,介绍防溅条对高速排水量艇的阻力、横摇、纵摇、升沉、失速及回转性能等方面的影响。
The interrelated model of the shear wave velocity with the normal value of ultimate lateral resistance(qsik)and ultimate end bearing resistance(qpk)of the soil around the pile is established.
建立了桩周土的极限侧阻力标准值及极限端阻力标准值与剪切波速度的相关模型。
It has been discussed that the content and the granularity of SiC absorbent, the thickness of coat influenced the property of. Absorb-wave of the resistance high temperature stealth coating.
探讨了碳化硅吸收剂粒度、含量和涂层厚度对耐高温毫米波隐身涂料的吸波性能影响。
A theoretical analysis about the effect of bending wave on the slanted resistance wire, which are used in measuring the flyer velocity, is proposed in this paper.
本文对连续斜电阻丝测飞板速度时弯曲波的影响作了理论分析。
The simulation results shows that it decreases the negative influence made by wave velocity, line length and faults grounding resistance factors, and also improves the accuracy of faults locations.
仿真结果表明此算法减小了传统方法受波速、线路长度、故障接地电阻因素的影响,提高了故障测距的精度。
It shows that wave resistance experienced by a body is dependent upon whole process of motion.
研究结果表明所受阻力与整个运动的过程有关。
Concluding the wave resistance equation of steel spring and making foundation for the wave theory modeling and practical application of steel spring.
推导了钢板弹簧不同传递波的波阻公式,为钢板弹簧的波动理论建模及实际应用提供参考。
The results indicated that it has a remarkable influence on ballistic effectiveness. Among properties, plastics and wave resistance are two major effect factors.
结果表明,背板材料的性能对其抗弹效益存在着较大的影响,其中塑性和波阻抗是两个主要影响因素。
Based on linear wave making resistance theory and on & technique of boundary layer separation control, the present paper gives an optimized study of hull form below the design water line.
本文基于线性兴波阻力理论,把控制尾流分离作为约束条件,利用优化计算方法对设计水线下船体外形进行优化研究。
The result of polarization resistance of square wave, galvanic step and potential scan are according to the result of the electrochemical impedance spectrum.
恒电位方波、恒电流阶跃和动电位扫描极化阻力测试与电化学阻抗谱测试结果一致。
Frequency hopping technology has served in all kinds of communication systems with its excellent interference resistance ability, especially in short wave communication system.
跳频通信技术因其具有良好的抗干扰能力而被广泛应用于各类通信系统中,尤其是短波通信中。
Method The position of acupoints will be located by the measurement of skin resistance and that of sound wave conducting in the Channel.
方法应用皮肤电阻导电量测定技术及声测经络技术,将导电量较大,声波波幅值较高点确定为经穴点。
Wall heat transfer fluctuations have been measured using a platinum film resistance thermometer in forward facing steps induced shock wave and turbulent boundary layer interaction fields.
用铂膜电阻温度计测量了前向台阶诱导激波与湍流边界层相互作用流场中的表面热流率脉动。
The results supported that the initial shear wave velocity of loose saturated soils was a key parameter controlling its cyclic liquefaction resistance.
这里的研究结果支持饱和松散试验土样的初始剪切波速可以作为控制其抗液化强度的一个关键参数。
After deriving a simplified formula based on the linear theory of wave-making resistance, a method for design and improvement the ship-form is proposed.
通过导出简化的兴波阻力理论公式,提出一种运用线性兴波阻力理论进行船型设计与改进的方法。
Sand wave movement is an important form of sediment movement for alluvial rivers and has a great effect on stream resistance.
沙波运动是冲积河流泥沙运动的一种重要形式。沙波的消长对河道水流的阻力损失有很大的影响。
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