查询词典 transform

From different aspects of the program describes the finite discrete Fourier transform process.

详细说明：该程序从不同方面描述了有限长离散傅立叶变换的过程。

Effect of spectral leakage in discrete Fourier transform on frequency, amplitude and phase estimates of multifrequency signals is studied.

研究了离散Fourier变换中存在的谱泄漏效应对多频信号的频率、幅值和相位估计精度的影响。

The design and implementation of a harmonic current computation technique for active power filter based on a simplified Discrete Fourier Transform is presented.

文章介绍了一种在有源滤波控制器应用中基于简化离散傅立叶变换的谐波电流检测技术的设计和应用。

It is proposed that the function of the digital signal filtering separation be realized for the filterbank by a discrete Fourier transform.

提出了以离散傅里叶变换实现滤波器组的数字信号滤波分离功能的方案。

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。

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。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。