逆采样变换方法(The Inverse Transform Method): 如果X为连续型随机变量,它的累积分布函数(cdf)为FX, 则,X=FX−1(U),U∼U(0,1) 证明: 定义 FX−1(u)=inf{x:FX(x)=u} 若随机变量则对所有有U∼U(0,1),则对所有x∈R,有P(FX−1(U)≤x)=P(inf{t:FX(t)=U}≤x) 因此,
There is provided a method and apparatus based on internal transform and inverse transform to perform interpolation. 所述方法包括:根据内插位置从多个不同的滤波器中选择用于在整数像素单元的像素值之间进行内插的第一滤波器;以及通过使用选择的第一滤波器,在整数像素单元的像素值之间进行内插来产生至少一个...
Finally, the method reconstructs the phase-modulation by calculating the inverse Fourier transform: \(O(N\log N)\) and smoothing it: \(O(N\log N)\) (Step 5). Therefore, the computational complexity of the proposed algorithm is \(O(N\log N)\), which is comparable to that of the ...
aThey hope to induce other countries to reduce their barriers to international movements. 他们希望导致其他国家使他们的障碍降低到国际运动。[translate] aBy using the inverse Z-transform, get the impulse response h(n). 通过使用反面Z变换,得到冲动反应h( n)。[translate]...
In the general case, i.e., when A,W∈C∖{0}, that method generates a transform that does not invert the CZT. This paper describes an O(nlogn) algorithm that computes the ICZT. The algorithm was derived by expressing the CZT formula using structured matrix multiplication and then ...
A NEW METHOD OF CRYPTOGRAPHY USING LAPLACE TRANSFORM OF HYPERBOLIC FUNCTIONS In this paper we proposed a new method of cryptography, in which we used Laplace transform for encrypting the plain text and corresponding inverse Laplace transform for decryption. Starting with basic theory of Laplace transf...
GWAS表型的标准化方法一般有Quantile normalization、Inverse rank normalization、Z-score normalization等。 各自区别如下: 一、Quantile normalization 该方法将每个样本中表型值进行排序,然后将其规范化到一个标准分布,通常是正态分布。规范化是通过将每个样本的分布等同于目标分布来完成的,使得同样比例的样本落在目标分布...
2.1First Method: Fourier Transform Formulation In the above Eq. (2.2), the d-bar derivatives appear with respect to both complex spatial variablesxandy. As an important first step towards solving the system Eq. (2.2), we will start by disentangling these derivatives. This can be achieved by ...
this explains the name of the method. This Fourier analysis applies to the inversion problem because the Fourier coefficients are just values of the transform. The mathematical centerpiece of the Fourier-series method is the Poisson summation formula, which identifies the discretization error associated...
This article deals with the implementation of fuzzy differential transform method for solving a system of nonlinear fuzzy integro-differential equations. This system appears in a model of biological species living together. Though the differential transform method is an iterative method, the current appro...