DFT

  • n.离散傅里叶变换;诊断功能测试
  • 网络密度泛函理论(Density Functional Theory);离散傅里叶变换(discrete Fourier transform);离散傅立叶变换

DFTDFT

DFT

密度泛函理论(Density Functional Theory)

密度泛函理论DFT)计算电子结构、总能量和材料的其他性能是一个不断发展的领域。为了站在知识的最前沿,处理恰当 …

离散傅里叶变换(discrete Fourier transform)

离散傅里叶变换DFT),是连续傅里叶变换在时域和频域上都离散的形式,将时域信号的采样变换为在离散时间傅里叶变换(…

离散傅立叶变换

同问离散傅立叶变换DFT)和快速算法(FFT)的区别是什么? 2009-11-02 17:55 kiwiviwik | 分类:数据结构及算法 提问者 …

可测性设计(Design for Testability)

...st) 设计者为提高测试效率而插入的电 路,被称为可测性设计DFT)技术。

可测试性设计(Design for Test)

可测试性设计(DFT)中,尤其是低功耗器件的DFT中,需要考虑的问题很多。其中,尽早并且严格注意制造测试中的功耗,对 …

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The basic idea of DFT is an ansatz, which assumes that any properties of many-body system can be determined by the ground state density. 密度泛函的基础是一个假定:假定一个多粒子体系的任何性质都是基态电子密度的函数。
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To get a sense of what the DFT does, consider an MP3 player plugged into a loudspeaker. 我们以一个接有喇叭的mp3播放器为例来大体了解一下DFT是什么。
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Particularly fierce arguments are raging around the Department for Transport (DfT), which must make cuts of 25% or more in its budget. 异常激烈的争论围绕着英国交通部(DfT)进行,因为它必须砍掉25%预算或更甚。
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Many further incremental improvements have been made to DFT by developing better representations of the functionals . 通过建立更好的泛函表示,DFT正在不断的被改良。
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It is a new kind of technique that the signals of Coriolis mass flowmeter is processed by means of DFT method. 采用DFT方法处理科氏质量流量计的信号是项新技术。
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The DFT calculations show that the interstitially doped fluorine impurities induce the formation of localized states in the band gap. DFT计算结果表明了间隙掺杂的F在带隙中诱导形成定域态。
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To evaluate the agreement between the results of two independent DFT packages, a quality factor is dened. 为评价两个独立DFT包的结果之间的一致性,一个质量因素?
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The discrete Fourier transform (DFT)and discrete Hartley transform(DHT) can be considered as special cases of DYT. 常用的离散傅里叶变换(DFT)、离散哈特莱变换(DHT)均可视为DYT的特例。
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In chapter 2, we briefly introduce the basic concept of DFT and review its recent progress. 第二章简要介绍了密度泛函理论的基本框架和近年来的理论发展。
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The influence of the DFT leakage errors on the sound intensity measurement is analyzed and the simulation examples are presented. 分析DFT泄露误差对声强测量的影响,进行模拟计算。
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After transforming the sampled chopping power signals by DFT (Discrete Fourier Transform), the spectrum charts are analyzed. 利用离散傅立叶变换对采样的斩波电源信号进行了频谱分析。
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This paper presents the recursive algorithms of DFT systematically, and the calculation burden decreases dramatically. 该文系统介绍了DFT的递推算法,较好地解决了这一问题。
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Furthermore, under noise background, the precision of the new method is also higher than those of the traditional ones. 在噪声背景下,其测量精度仍高于传统的DFT频谱分析方法。
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Boundary-scan technology (BST) is a new and effective way of test and design-for-testability ( DFT ) for VLSI circuits. 边界扫描技术是一种新型的VLSI电路测试及可测性设计方法。
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This paper presents a new method for the design of over sampled nearly perfect reconstruction (NPR) DFT modulated filter banks. 提出了一种几乎完全重构的过采样DFT调制滤波器组的设计方法。
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DFT (design for testability) method tries to resolve the test problem in the early process of IC design. 可测性设计尽可能早的在集成电路设计时考虑测试问题。
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Diagnostic strategy design is an important task in the design for testability(DFT). 诊断策略优化设计是测试性设计中的一项重要内容。
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After the improved DFT algorithm is applied, the new algorithm is not influenced by power system swing. 采用改善的DFT算法后,算法具有不受系统振荡影响的特点。
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This paper also introduces application of DFT in a project-ASIC of mark algorithm. 并介绍DFT在一个具体项目-标记算法的ASIC实现中的应用。
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The algorithm opens up a new approach for the fast computation of DFT. 算法为任意长度DFT的快速计算开辟了新的思路和途径。
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For several structural properties the dierence between DFT calculations and experimental values is assessed. 在DFT计算和实验值之间结构属性的差异是可以估计的。
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Small areas only. Multiple coats may be needed to achieve specified DFT . 仅适用于小面积,须多道涂层以达到规定膜厚。
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One novel quasi spherical nanocluster B92 have been investigated by using density-functional theory(DFT). 利用密度泛函理论(DFT)研究了一种新颖的准球形纳米团簇B92。
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Additionally, the outcome of a DFT simulation slightly depends on what code is used. 此外,DFT模拟结果轻微取决于使用的代码。
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Here is the Fortran driver program that was used to time the DFT codes. 下面是一个用于计时DFT代码的Fortran驱动器程序。
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The dft_degree database configuration parameter specifies the default level of parallelism for each database. 数据库配置参数dft_degree指定每个数据库默认的并行性级别。
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In time domain, pilots are transformed by DFT at first, then LS and MMSE estimator are used to obtain the channel "s time domain response. " 在时域上,对导频子载波先进行DFT变换,再运用最小二乘和最小均方误差两种算法获得信道冲激响应。
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This special register is initialized with the value of the DFT_MTTB_TYPES database configuration parameter. 这个特殊注册表是用DFT_MTTB_TYPES数据库配置参数的值初始化的。
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The cyclic shift character of base phasor in DFT is proposed and approved first in this paper. 提出并证明了离散傅里叶变换的基相量循环移位性质。
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There are three main transform domain methods: the DFT, the discrete cosine transform and the discrete wavelet transform. 目前,变换域主要包括离散傅立叶变换、离散余弦变换、离散小波变换三种方法。