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- Using discrete Fourier transform for interpolation of 3-D MT data. 用傅氏变换实现三维MT数据的插值
- The discrete fourier transform (DFT) exists the errors. 摘要离散傅立叶变换(DFT)存在误差。
- Some interpolated Discrete Fourier Transform (DFT) methods are analyzed. 本文首先讨论并分析了各种插值DFT(离散傅里叶变换)算法,然后提出了一种实正弦信号的快速插值频率估计方法。
- 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。
- Discrete fourier transform is a vital means of signal analysis. It transforms the in-time signal into the in-frequency signal. 离散傅立叶变换是信号分析中的一种重要手段，它将时域信号转换违频域信号。
- Convolution of windowing function is traditionally used to explain the Discrete Fourier Transform(DFT) errors. 离散傅里叶变换(DFT)的误差一般是通过窗函数的卷积来解释的.
- 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 .
- This paper describes a new method which uses IDFT (Inverse Discrete Fourier Transform) technique to do time domain near field measurement for antenna. 本文提出了一种利用离散付立叶反变换（IDFT）技术完成天线的时域近场测量的方法.
- By dissolving Discrete Fourier Transform matrix and combining withthe FFT algorithm,this paper has put out a new method to compute DFT. 本文通过对离散富里叶变换(Discrete Fourier Transform,简记作DFT)矩阵的分解与FFT 算法相结合,提出了一个计算DFT 的新算法。
- This suggests using a resolvent whose roots may be variously described as a discrete Fourier transform or a Hadamard matrix transform of the roots. 就像其它 多项式，有时可能对一个四次方程分解出因式；但更多的时候这样的工作是极困难的，尤其是当根是无理数或复数时。
- In this paper, with the Discrete Fourier Transform description of elements group curved surface, two kind of curved surface error are defined. 本文在基本体群形状和工件形状的离散傅立叶变换描述的基础上，定义了不同类型的曲面误差；
- A novel design method for the prototype filters of a Near Perfect Reconstruction(NPR) Discrete Fourier Transform(DFT)modulated filter bank is proposed. 提出了一种新的近似完全重构(NPR)离散傅立叶变换(DFT)调制滤波器组的原型滤波器设计方法。
- A new Solid-State Var Compensator controlled by DSP is analyzed in this paper, which is based on the DFT (Discrete Fourier Transform) detection method. 本文论述了一种DSP控制的新型固态无功功率补偿器,它基于离散傅立叶变换(DFT)的谐波检测方法。
- A simple and practical instantaneous harmonic current detecting method is introduced,which realizes a special filter based on DFT(Discrete Fourier Transform). 提出了一种用离散傅里叶变换DFT(DiscreteFourierTransform)实现特殊滤波器的瞬时谐波电流的检测方法。
- According to the characteristics of unbalance signal, the fast algorithm of discrete Fourier transform(DFT) 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 .
- Along with the rapid development of computer software and hardware technology, the discrete fourier transform (DFT) has become one kind of important means of image processing. 随着计算机软件、硬件技术的迅速发展 ,离散傅里叶变换已经成为图像处理的一种重要手段。
- In Linear system, Fourier Transform (FT), Fourier Series (FST), Fourier Z Transform (FZT) and Discrete Fourier Transform (DFT) are used to analyze and process signals. 在信号分析与处理中,常涉及的积分变换是傅里叶变换(FT)、傅里叶级数(FST)、傅里叶Z变换(FZT)及离散付里叶变换(DFT)。
- This project utilizes Discrete Fourier Transform (DFT) to implement the analysis of syntonic wave.In DFT, the use of revised checking table saves interior resource of FPGA. 该方案通过基波算法(DFT)实现多路模拟信号谐波分析，采用修正的查表法求复数模以节省FPGA内部资源；
- In Linear system,Fourier Transform(FT),Fourier Series(FST),Fourier Z Transform(FZT)and Discrete Fourier Transform(DFT)are used to analyzing and processing signals? 在信号分析与处理中,常涉及的积分变换是傅里叶变换(FT)、傅里叶级数(FST)、傅里叶Z变换(FZT)及离散付里叶变换(DFT)。
- 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。
