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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。

Based on pretty performance of fractional Fourier transform, discrete fractional cosine transform adaptive filtering algorithm is proposed.

针对分数阶傅里叶变换的分数阶次不确定问题，提出一种寻找最优分数阶次的方法：建立分数阶次和失调的关系曲线。

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。

Chapter 2 introduces the fundamental idea and the discrete algorithm of the short-time Fourier transform, and analyses its advantages and disadvantages.

第二章：短时付里叶分析技术，介绍了短时付里叶分析的原理、数字实现方法和用途。

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。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。