查询词典 spectral function

Three methods for the computation of the isotropic tensor function,spectral decomposition method,eigenprojection operator method and representation theorem method,are compared.Different approaches to calculate the eigenvalues and their corresponding eigenvectors are also discussed.As an example,the exponent tensor function is calculated.

对计算各向同性对称张量函数的3种方法(谱分解法、特征投影算子法和表示定理法)进行了分析比较，同时也对如何计算特征根与特征向量的技巧进行了探讨，并利用3种方法对指数张量函数进行了实例计算。

On the basis of the power spectra of earthquake records, the parameters of the power spectral density function of the twice filtered Gaussian white noise process are determined by adopting the least squares procedure of a nonlinear function.

根据地震记录的功率谱，采用非线性函数的最小二乘法，确定了两次过滤Gauss白噪声过程的功率谱密度函数的参数。

The results of measurement showed that for the spectral range from 590 to 1 064 nm pathological changes of colon epithelial tissues were induced so that there were significant differences in the averaged values of the Kubelka-Munk function f and logarithmic Kubelka-Munk function log［f］ of the DNA absorption bands at 260 nm between normal and adenomatous colon epithelial tissues, and the differences were 218%(p＜0.05) and 68.5%(p＜0.05) respectively.

结肠上皮组织的癌变导致其上皮组织在蛋白质吸收带的Kubelka-Munk光谱函数f 及其对数log［f］的平均值在280 nm处也都有非常显著性的差异，其差异分别为208%(p＜0.05)和59.0%(p＜0.05)。

To extract the parameters in partial coefficients matrix of potential efficiently in silicon substrate integrated circuits, an approximated closed-form three-dimensional multilayered Green's function is derived with a modified complex fitting the exponential function method in spectral domain.

为了有效地提取硅衬底集成电路中导体单元之间的电位系数矩阵，在谱域中采用了改进的复数拟合指数函数方法，导出了三维有耗多层介质中的近似闭式格林函数。

Based on the model of stiffened plates with concentrated added mass, a study of the stochastic vibration was carried out, and system's mean value, mean square value, cross-correlation function, cross-spectral density function were calculated.

从带有附加集中质量加肋板的力学简化模型出发，推导给出了该模型的随机功率谱密度，并分析了系统随机振动响应的其他统计数字特征：均值、均方值、互相关函数和协功率谱密度。

It obtained analytic expression or arithmetic solution of the mean value, the mean square value, the related function and the spectral density function of heat conduction system of 0-D, 1-D, 2-D and 3-D, by applying stochastically theory of linear system and the results of the first part.

该部分利用线性系统的随机理论和第一部分的成果，获得了0维、1维、2维和3维导热系统均值、均方值、相关函数、谱密度函数的解析表达式或数值解。

In the method, the probability density function of a stochastic process is described from the spectral density function of the stochastic process.

根据S。 O。 Rice对随机过程峰的一维概率分布的研究方法，扩展到对随机过程峰的联合概率密度的分析。

The logic function classification with spectral coefficients is discussed and the definition of characteristic threshold logic function is given.

由于阈值逻辑门具有很强的逻辑功能以及其它独特的优点，受到了国内外学术界的重视[1～3]。

In the method,the probability density function of a stochastic process is described from the spectral density function of the stochastic process.S.O.

根据S.O.Rice对随机过程峰的一维概率分布的研究方法，扩展到对随机过程峰的联合概率密度的分析。

To improve classification reliability, aGaussian Radial Basis Function is chosen on the Spectral Histogram Representation and the Support Vector Machines is used as classifying function.

为了保证分类的可靠性，选择高斯径向基函数进行谱直方图表示，采用支持向量机作为分类函数。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。