最常见的数字信号处理技术之一是离散傅立叶变换(DFT),它把一个信号分解成它的组成频率,并表示成一个矩阵。
One of the most common digital-signal-processing techniques is the discrete Fourier transform (DFT), which breaks a signal into its component frequencies and can be represented as a matrix.
一个众所周知的例子是因数分解一个大的数字(尤其是因数较少的数字)。
A well-known example is factoring large Numbers (especially Numbers with few factors).
Cowen还援引CharlesJones(查尔斯·琼斯)的观点,Jones这名经济学家通过分解经济增长的统计数字来确定不同时代进步的推动因素。
Mr Cowen cites Charles Jones, an economist who USES deconstructed growth statistics to determine the drivers of progress across eras.
所有的排序、搜索和数字算法都可以进行并行分解(以后,像Arrays . sort这样的标准库机制将会使用fork - join框架,允许应用程序免费享有并行分解的益处)。
All sorts of sorting, searching, and numerical algorithms are amenable to parallel decomposition. in the future, standard library mechanisms like Arrays.sort .
LU分解是一种将非奇异矩阵进行三角分解的方法,而数字图像也可以看作矩阵。
LU decomposition is a triangular decomposition approach of non-singular matrix, and the digital image can be seen as a matrix.
针对数字图像取证中一类常见的复制粘贴图像伪造,本文提出了一种基于小波变换和奇异值分解的检测算法。
Aiming at a common copy-paste forgery in the research field of digital image forensics, this paper proposes a detection approach based on wavelet transform and singular value decomposition.
提出了一种基于高斯金字塔分解的数字图像扩频水印技术。
In this paper, a spread spectrum digital watermark based on Gaussian pyramid decomposition was proposed.
于是电脑将图像分解为许多所谓的数字描述符。
The computer broke the images into a number of so-called numerical descriptors.
基于特征分解谱分析技术,提出并研究了在雷达中自适应抑制窄带数字通信信号干扰的方法。
An adaptive method applying eigenvalue decomposition-based spectrum analysis technique to narrow-band digital communication interference suppression in radar is proposed and studied.
该文提出了一种新的基于矩阵lu分解的数字水印算法。
In this paper, a new digital watermarking algorithm based on LU decomposition of matrix is proposed.
本文主要论述了数字签名技术的基本实现原理,包括公钥加密技术、报文分解函数(MDF)等实现数字签名应用的关键技术。
The basic principal of realizing the Digital Signature application as well as some essential key technologies including public key Encryption, Message Decomposition Function (MDF) are discussed here.
不过断食周期越长,这一数字将会降低以保护蛋白质免于分解。
However this number may decrease the longer the fasting period is continued, to conserve protein.
基于正交分解的介质损耗因数数字测量算法。
A novel algorithm of dielectric loss measurement based on orthogonal decomposition.
笔划提取过程的关键技术是利用一个样本笔划库进行笔划分解。该样本库是对一位专业画家遴选的绘画常用典型笔划进行数字化而得到的。
The key to the extraction process is the use of a brush stroke library, which is obtained by digitizing single brush strokes drawn by an experienced artist.
首先对图像进行分块,分别提取每块图像的直方图不变矩,组合起来作为数字水印,然后利用奇异值分解的方法将这些水印嵌入到原图像中。
First we go on blocking to image an extract moment invariant of histogram from the blocking image and combine it as the digital watermarking.
数字图书馆中的信息资源具有价值和使用价值,因此,数字图书馆的活动可以分解为一系列创造价值的活动。
The information resource of digital library has value and useful value, so the activities of digital library can be divided into several parts which create value.
摘要:现有的代理数字签名方案都是基于离散对数问题和大数因子分解问题的方案。
Absrtact: The present representative digital signature approaches are based on discrete logarithm problem and large number factor decomposition.
PW M控制采用基于参考电压分解的多电平直接PWM算法,数字化实现容易。
A multilevel direct PWM control strategy based on reference voltage decomposition suitable for digital implementation was employed.
基于因数分解和二次剩余困难性假设,构造了一个新的按序多重数字签名方案和广播多重数字签名方案。
A new sequential digital multi-signature scheme and a new broadcasting digital multi-signature scheme are proposed based on the difficulty assumption of factoring and quadratic residues.
本文设计了两种具有消息恢复的数字签名方案,其安全性都是基于因子分解问题和离散对数问题的。
In this paper, two schemes for digital signature with message recovery are presented. The security of these schemes is based on factorization and discrete logarithms.
破译rsa意味着数学家所认为的面临分解大量数字因子的难题。
Cracking RSA means confronting what mathematicians believe to be the hard problem of factoring large Numbers.
网络传播行为按照时间顺序依次可以分解为:数字化、上载、传输、下载、浏览等多个过程。
Network transmission can be disassembled chronologically into such processes as digitalization upload transmission download and browse.
现有的代理数字签名方案大多是基于离散对数问题和大数因子分解问题的方案。
Up to now most of the known proxy digital signature schemes are based on discrete logarithmic problems or big number factorization problems.
捷心算训练是一项心智训练工程,利用数字之组合分解变化,设计由易至深之四则运算题目。藉以激发大脑之潜在能力。
AMARC Mental Arithmetic is a mental training works, using figures decomposition portfolio changes, the design of the " 4 Steps" computing topic to stimulate the brain's potential.
将经验模型分解方法应用于手写体数字识别,提出了一种新的识别方法。
This paper presents a novel method for handwritten numeral recognition based on empirical mode decomposition.
在此练习中您要对一个给定的数字作因数分解。
在此练习中您要对一个给定的数字作因数分解。
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