离散

Based on the discrete Fourier transform analytical method, this paper discusses the influence of the pixel size of CCD and proposes a new filtering method.

本文在离散傅里叶变换分析理论的基础上，深入讨论抽样对FTP的影响。

According to the characteristics of unbalance signal, the fast algorithm of discrete Fourier transform is presented and accomplished by using microcomputer.

针对测试环境中不平衡量信号的特点，提出了离散傅里叶变换快速算法，并在通用微机上实现。

Discrete fast Fourier transform has been widely applied to signal spectral analysis and can figure out the entire bandwidth spectrum of a signal.

离散快速傅里叶变换算法在频谱分析中得到了广泛的应用，这种算法得到的计算结果是在整个频段上的频谱信息。

This algorithm is based on two dimensional discrete Fourier transform (2DFT).

该水印算法基于二维离散傅立叶变换(2DFT)。

The main work of the dissertation is summarized as follows:First, a new method of digital watermarking scalable vector graphics based on discrete fractional fourier transform is proposed.

本文主要的工作归纳如下：首先，提出了基于离散分数傅立叶变换的SVG图形水印算法。

Ordinary image signals in discrete Fourier transform and inverse transform.

详细说明：普通的离散图像信号的傅里叶变换和逆变换。

Displacement curve of fringe center was drawn and the spectrum of the displacement was analyzed with Discrete Fourier Transform.

文章绘制了干涉条纹位移曲线并对其进行了离散傅里叶变换，给出了所测振动的频谱特性。

In chapter 1, we introduce some background of the dynamical system of discrete group actions and the main results in this thesis.

第一章，介绍了离散群作用动力系统的一些背景及本文的主要结论。

This thesis is concerned with the dynamics of discrete group actions, especially we are interested in Zd actions.

本文考虑离散群尤其是Z~d作用的动力性质。

The security was based on difficulties in factorizing large integer and computing discrete logarithm on Abel group C.

该方案的安全性基於大数分解和有限Abel群C上计算离散对数的困难性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。