研究表明，磨合表面变化的分形参数表征是简单有效的。
It is shown that the fractal parameters are simple and effective to characterize the variations of surface topography during running - in process.
本文引入分形理论，用分形参数表征磨合表面的形貌变化。
The fractal theory is introduced and variations of running-in surface topography are characterized by fractal parameters in this paper.
基于BP人工神经网络的L M算法，建立了磨合磨损的分形参数预测模型。
Based on L-M algorithm of BP artificial neural network, the fractal parametric prediction model of running in and wear was established.
其次，给出了分形参数的提取方法和无标度区间，并分析了变换阶数对分形参数估计的影响。
Then, determination method of fractal parameters and scale-invariant interval is given and influence of transform order on the estimation of fractal parameters is also discussed.
在对M - B接触分形模型改进的基础上，根据阿查得粘着磨损理论导出了基于分形参数的粘着磨损模型。
An adhesive wear model based on fractal parameter is derived on the grounds of adhesive wear theory by modifying the M-B fractal contact model.
本文从分数布朗随机场模型的描述出发，提出并构造了一种广义多尺度分形参数，用于描述图像的纹理信息。
In this paper, a kind of generalized multiscale fractal parameter is proposed and constructed for the description of image textures, which is based on fractional Brownian random field model.
并根据水驱前后的毛管压力曲线资料计算了水驱前后孔隙结构的分形参数，研究了水驱对孔隙结构变化的影响。
The fractal parameters of pore structure are estimated based on the capillary pressure data before and after waterflooding to investigate the effect of waterflooding on variation of pore structure.
为了便于分析研究设备的磨损状态等相关性规律，研制了基于计算机的磨粒图像轮廓识别和轮廓分形参数分析软件。
This paper presents the fractal parameter and its calculation method of the worn particles based on particles contours chain code.
进一步，基于广义多尺度分形参数，本文提出了一种具有抗噪性能的稳健的目标提取算法，并用于海上小目标的提取。
Furthermore, an robust algorithm which is based on generalized multiscale fractal parameter is proposed for the small target extraction on ocean with good noise immunity.
依据分形几何理论，结合不可压缩粘性流体层流流动理论，建立基于分形参数的金属垫片泄漏模型，该模型揭示了泄漏率与密封表面形貌之间的关系。
According to the fractal geometry theory and the non-compressed viscous fluid laminar flow theory, the leakage model of metallic gasket based on fractal parameter was established.
分形维数是描述图像粗糙程度的主要参数。
Fractal dimension is an important parameter to characterize roughness in an image.
基于分形的故障检测方法可以实现实时的检测系统的状态，包括系统的动态变量以及静态参数。
With the method the system condition described by dynamic variables and static parameters can be detected in real time.
文中对牛顿迭代及其相关方法的分形几何集进行构建，将动态参数和异步用于牛顿迭代，构造并研究了广义牛顿变换的J集。
In this paper create and study the generalized Newton transform J-Set, dynamic parameter and asynchronous Newton's method, analyze the effect of error and dynamic parameter.
采用快速模拟退火算法来计算分形插值函数的关键参数——纵向比例因子，进一步加快了数据压缩的速度。
Fast simulated annealing is used in calculating the key parameter of fractal interpolation function - vertical scaling factor, thus makes further improvement of data compression speed.
结果表明，在表面外延生长初期沉积层呈现出非常丰富的分形几何特征，通过控制生长参数，可以得到不同微结构的团簇。
It is shown that at the initial stage of growth, the morphologies present ample fractal shape and by controlling growth parameters it is possible to obtain nano clusters with different structures.
基于分形理论研究了玻璃切削时不同切削参数对切削力及其分形维数以及表面粗糙度的影响。
The influences of cutting parameters on cutting force and its fractal dimension, surface roughness on the fractal Theory during glass cutting is presented.
最后给出了算法及由该方法得到的二维分形图示例，并通过参数表与其他方法进行对比。
This method picks-up multi-dots along the contour of original and mosaic graphics to construct over determined equations, solves them and gets the parameters.
利用分形理论中的L -系统法，适当修改相关参数就能得到各种不同的图案。
With L-system method, we can obtain all kinds of different patterns by revising the correlation parameter.
以分形理论为依据，在雷达坐标中对电力系统负荷序列的分形维数、膨胀系数等参数进行了计算。
In accordance with the methods of fractal theory the parameters of power load series, such as fractal dimension and dilatation coefficient, are calculated in radar coordination.
在图像分形信息的提取方面，本文提取了灰度图像的分形维数及自然景物图像的IFS参数。
In this paper, the fractal dimension of gray images and the IFS parameters of natural scene graphics are extracted.
本文讨论了参数形式分形插值问题(PFIP)。
This paper discusses fractal interpolating problem of parametric form (PFIP).
结果表明，分形维数是一个能反映岩石损伤断裂机理的特征参数。
The result of this study shows that the fractal dimension of fracture surfaces is a characteristic parameter capable of reflecting the damage-fracture mechanism of rocks.
论文的研究重点是从三个不同的方面将多重分形谱及其参数应用于股价波动性的预测研究。
And from there different aspects, this thesis forecasts the fluctuation of stock-price with multifractal spectra and its parameters.
从实验结果看，分形维数可以很好地作为图像分类与分析的参数。
The result of the experiment showed fractal dimension can be a good parameter in image classified and analysis.
对于井间断面采用三角形剖分，并给定单元节点的速度和位置参数；
We take a triangular grid, where velocity and position parameters of each grid-point must be given.
采用适合离散函数的网格法研究小麦籽粒的长度、宽度、厚度、单粒质量等参数间的分形特性。
Fractional characteristics between length, width, thickness and weight of a single kernel were studied by using net method that adapted to the discrete function.
本文研究多径衰落信号的多重分形性质，分析并指出了信号多重分形维数是描述无线信道传播特性的重要参数；
Fractal characteristic of multipath fading signal is studied in the paper which shows that multifractal dimension is a key parameter for describing the signal propagation in wireless channels.
用于描述石墨形态的特征由分形维、粗细参数和二维自回归系数共同组成。
Parameters describing character of gray cast graphite morphology such as fractal dimension, roughness and regression coefficients were used to the classification.
本文将分形理论引入多径衰落信道的描述，提出了一种利用分形滤波进行最小均方误差意义下信道参数估计的方法。
The fractal theory was applied to describe multipath fading channels, and a novel channel estimation scheme using fractal filter in the sense of minimum mean square error (MMSE) was presented.
本文将分形理论引入多径衰落信道的描述，提出了一种利用分形滤波进行最小均方误差意义下信道参数估计的方法。
The fractal theory was applied to describe multipath fading channels, and a novel channel estimation scheme using fractal filter in the sense of minimum mean square error (MMSE) was presented.
应用推荐