2、

Secondly, the Genetic Algorithms are introduced, and the position optimization and the dimension optimization of the bulbous bow are carried out in turn, and the optimal wave-making resistance coefficients are reached for different speeds and the form parameters of the bulbous bows are obtained.

然后通过引入遗传算法,先后进行了单体船的球首位置优化以及球首主尺度优化,得到各种速度下的最小兴波阻力系数,同时得到球首各形状参数。

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3、

The frequency dependent parameters of the interconnection lines are extracted by the full wave method firstly.

首先运用全波方法提取互连线的频变等效电路参数。

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4、

A Time Domain Full Wave Method for Extracting of Frequency Dependent Equivalent Circuit Parameters of Multiconductor Interconnection Lines

一种提取多导体互连线等效电路频变分布参数的时域全波方法

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5、

Applying those parame ters, the propagation law of ultrasonic wave in the reservoir is studied, the elastic modulus of rock are calculated, the fracturing parameters are designed, and the rock stability and the fracture height is Judged.

利用这些参数,可以研究超声波在岩体内的传播规律,了解岩石动弹性模量,提供压裂设计事数,判断油层岩石稳定性和缝高。

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6、

Some necessary parameters were obtained after having verified the method for calculating the wave runup, and also the wave forces acting on the top walls were measured, so that the criterions for designing the seawall were given.

验证了计算波浪爬高的方法,得出了必要的参数。还测定了作用于顶墙上的波浪力,为设计提供依据。

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7、

Through measuring elastic wave velocity of rock and soil layers with P and S wave well logging technique, we can supply elastic dynamic parameters for engineering design, plot out the site grade of building, evaluate earthquake's effcet, analyze site earthquake response and potential damages.

S测井可测定岩土体的弹性波速(Vp、Vs),为工程设计提供所需的动弹性力学参数、划分建筑物场地类别、评价地震效应、进行场地地震反应分析和地震破坏潜势分析等。

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8、

The parameters of formation water, including volume density, hydrogen index and P wave transit time, are always given in the digital processing of conventional log data.

在常规测井资料数字处理过程中,经常要给定地层水参数,包括地层水体积密度、含氢指数和纵波时差等。

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9、

Body wave propagation in homogeneous transversely isotropic medium and the inversion of elastic parameters

轴对称各向异性介质中体波的传播及弹性参数反演

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10、

Based on the frequency parameters, a new transformation method to determine the response to lightning impulse wave on transmission line with corona is proposed in this paper.

本文在频变参数基础上提出了一种计算电晕线路响应特性的新变换方法,并用其计算了线路的雷电波响应。

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11、

We also tried to explain the neural mechanism of pathological EEG wave by changing parameters of the model.

另外,通过改变模型的参数,我们初步解释了病理条件下的脑电波形的神经机理。

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12、

The influence of two parameters, frequency and pulse width ratio of wave pulse brush plating speed about, is studied on the base of experiment in this paper.

在低频范围内,通过试验研究了矩形波脉冲频率f,脉冲宽度比B对刷镀速度的影响规律。

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13、

The beach design should obey the dynamic equilibrium of the beach, including the slope of beach face, filled grain, the berm height and wave elements parameters.

在沙滩设计方面以遵循沙滩动态平衡为依据,其设计参数包括滩面坡度、填沙粒径、滩肩高程以及波浪要素等参数。

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14、

The parameters of the wave F is the most susceptible parameters in earlier diagnosis.

下肢F波的指标是早期诊断慢性肾衰竭周围神经病变的最敏感的指标。

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15、
16、

element potential approach and its application to calculation of characteristic parameters of detonation wave

元素势法在爆震波特征参数计算中的应用

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17、
18、

Homotopy method for inversing parameters of wave equation in porous media

用同伦方法反演流体饱和孔隙介质的参数

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19、

Homotopy method for inversing two parameters of 2-D wave equation in porous media

双相介质二参数反演的同伦方法

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20、

Pulse parameters and its influence on pulsed antenna measurements is presented in this paper. On the basis of the plane-wave theory of time-domain fields, formulae for time, frequency-domain far-field pattern and near-field far-field transformation is given.

研究了脉冲参数及其对测量的影响,根据时域场的平面波理论,给出了根据惠更斯源得到的时、频域远场方向图以及近远场变换公式。

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