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。
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。
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.
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。
Goertzel algorithm is a fast algorithm of DFT.
戈泽尔算法是离散傅立叶变换的一种快速算法。
Design For Testability (DFT) techniques have been proposed.
可测试性设计(DFT)技术被提了出来。
Fast Fourier transformation is an effective, practical DFT algorithm.
快速傅立叶变换是一种有效、实用的信号DFT算法。
In this paper, a knowledge-based design for testability (DFT), is presented.
本文提出了一种基于知识的可测试性设计(DFT)方法。
Density functional theory (DFT) of quantum chemistry was briefly introduced.
简要介绍了量子化学中的密度泛函理论。
Density function theory (DFT) is employed to simulate the absorption spectrum.
本文采用密度泛函理论来模拟吸收谱。
SRAM BIST is also combined with ARM core's boundary scan testing during system level DFT.
系统级可测性设计主要是将存储器BIST与ARM核的边界扫描测试相结合。
In the field of signal analysis, the DFT (Discrete Fourier Transform) is a well known term.
在信号分析领域，DFT(离散傅立叶变换)是一个常见术语。
A method for processing unequally spaced samples, derived from conventional DFT, is presented.
本文根据通常的DFT处理，研究出一种适用于不等间隔采样信号处理的方法。
A spectrum analysis method using the symmetric decomposition of DFT is proposed in this paper.
本文介绍了一种将DFT对称分解进行频谱分析的方法。
Recent progress in density functional theory (DFT) and its numerical methods is briefly reviewed.
综述了密度泛函理论及其数值方法的最新进展。
DFT is used to estimate the covariance matrix of downlink channel of the path, not calculating DOA.
在不求出DOA的情况下，采用离散傅里叶变换来估计该路径下行信道协方差矩阵。
Fast Fourier Transform (FFT) is a kind of fast computation method of Discrete Fourier Transform (DFT).
快速傅里叶变换(FFT)是离散傅里叶变换(DFT)的快速算法。
The set of formulas consists of DFT of sampled data, phase difference calculation and frequency calculation.
频率估计公式包括采样序列DFT、相位差计算和频率计算。
The reaction of HNO with o radical was investigated by density functional theory (DFT) and ab initio methods.
用密度泛函理论(DFT)和从头算方法，对HNO与O自由基反应进行了研究。
DFT circuits implemented in RPR ASIC reduces difficulties in circuit test and greatly improves fault coverage.
DFT电路的实现大大降低了专用集成电路的测试难度，提高了故障覆盖率。
By adopting the synchronous sampling technology, this method has removed the leakage effect that exists in DFT.
采用同步采样技术，根本消除了DFT的泄漏效应。
The Discrete Fourier Transform (DFT) plays an important role in digital signal processing and many other fields.
离散傅里叶变换（DFT）在数字信号处理等许多领域中起着重要作用。
Porphine structures are fully optimized by using MP2 and two kinds of DFT methods considering electron correlation.
用考虑电子相关的MP2和2种DFT方法，在不同的基组下对卟吩结构全优化。
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。
The paper proposes a JTAG customizing approach to managing all the DFT logic, for flexibility and less DFT overhead.
本文通过定制JTAG逻辑，以求用最少的开销，最简单灵活的方式来管理各种DFT逻辑。
Spectroscopic properties of selected systems have been investigated by time dependent density functional theory (TD-DFT).
体系光谱计算采用时间依赖的密度泛函方法（TD-DFT）。
A high performance measurement of initial phase via a Dual Interpolated DFT method based on error information is presented.
提出了一种基于误差知识的二重插值DFT方法用于高精度时钟初相测量。
Analyzing inverse DFT, we obtained a system of linear equations, whose solution can be taken as the spectrum of the data series.
通过对离散傅立叶逆变换的分析，我们得到一个线性方程组，它的解可以作为序列的谱。
Performances of CQT and DFT in estimating multinote frequencies and the effect of window function are studied through experiments.
通过实验研究了CQT和DFT在多音阶频率检测时的性能以及窗函数对CQT性能的影响。
A method, which realizes the fast frequency measurement for dual sinusoidal signals basing on DFT and autocorrelation theory, is given.
基于DFT和自相关理论，该文提出了一种双正弦信号频率的快速估计方法。
The reaction mechanism between atomic oxygen radical anion and benzene has been investigated using the density functional theory (DFT).
采用密度泛函理论研究了氧负离子自由基与苯分子的反应。
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