翘曲离散傅立叶变换；
戈泽尔算法是离散傅立叶变换的一种快速算法。
该水印算法基于二维离散傅立叶变换(2dft)。
This algorithm is based on two dimensional discrete Fourier transform (2dft).
在计算生物学中，常采用离散傅立叶变换进行频谱分析。
It can be taken as a kind of discrete signal and do spectrum analysis by discrete Fourier transform.
在信号分析领域，DFT(离散傅立叶变换)是一个常见术语。
In the field of signal analysis, the DFT (Discrete Fourier Transform) is a well known term.
基于逆离散傅立叶变换(IDFT)算法，提出了一种新的阵列综合算法。
A new algorithm for array synthesis based on inverse Discrete Fourier Transform (IDFT) is proposed in the paper.
当全部采样点都处理过后，可在基本周期的最后一个时间间隔中得到和离散傅立叶变换一样的结果。
When all the sample points are handled after the basic cycle of a time interval finally received and discrete Fourier transform as a result of the introduction of DFT algorithm and the Z-transform.
提出一种利用信号对称拓展技术抑制离散傅立叶变换频谱泄漏的方法，实验证明是一种有效的方法。
The restrain method of DFT frequency spectrum leakage base on signal symmetry extension is proposed in this paper, experimental results show that this method is effective.
用快速离散傅立叶变换(FFT)的方法确定均衡器的初始抽头系数，它区别于目前常用的迭代算法。
Employing the Fast Fourier Transform Algorithm (FFT) to determine the initial tap coefficients of equalizers is fundamentally different from using the current iteration method.
利用FDSP在数字信号处理上的优势，优化改进了离散傅立叶变换(DFT)算法来提取信号特征量。
Making use of the advantage of the FDSP in the digital signal processing, we can optimize and improve discrete Fourier transform (DFT) in order to acquire the characteristic variables of the signal.
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 novel design method for the prototype filters of a Near Perfect Reconstruction (NPR) Discrete Fourier Transform (DFT) modulated filter bank is proposed.
此方法回避了多维谱峰搜索和参数配对，克服了在短数据时离散傅立叶变换测频分辨率低和性能差的不足。
Without any spectral peak search and parameters pairing, the resulting method is computationally efficient with high resolution and small variance, even in the short data length.
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.
然后对人脸图像做奇异值分解和离散傅立叶变换，并分别提取最佳鉴别变换特征，用最近邻方法进行分类。
The optimal discriminant features of face are extracted using singular value decomposition and Fourier transform, and then they are classified by the nearest neighbor method. In...
针对DTMF信号的特点，这个算法是在离散傅立叶变换的基础上根据能量值的比较进而得到DTMF信号的。
Aimed at the character of DTMF signal, this algorithm is to get the DTMF signal according to compare the value of energy based on DFT.
有一种直接基于DFT的信道估计方法利用均匀梳状分布的导频符号和离散傅立叶变换（DFT）完成信道估计。
The direct DFT based channel estimation method uses comb-type pilot symbol and discrete Fourier transform (DFT) to estimate the channel.
数字信号处理中标准的频谱分析方法是离散傅立叶变换（DFT），典型的实现方法是快速傅立叶变换（FFT）。
The standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.
本文提出了一种基于离散傅立叶变换的滑窗迭代检测算法，该算法能简化计算，实时有效的检测出谐波参考指令电流。
Then an algorithm based on a simplified sliding-window Fourier is presented in this thesis, which makes calculation of harmonic current in APF simply and detects referenced current effectively.
离散傅立叶变换方法能够在DSP平台上通过FFT快速实现，而循环相关方法则具有很高的频率估计精度和很好的抗噪性能。
DFT method can be fast implemented on DSP platform by the use of FFT algorithm, while the method of cyclic correlation has better noise immunity performance and high estimation accuracy.
接下来它还要经过一些数学处理程序，比如小波分解，多重分辨率傅立叶分析，多相过滤，离散余弦变换等。
It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation.
采用快速傅立叶变换(FFT)进行电力系统谐波分析时，需要对采样信号截断并离散化，从而导致频谱泄漏和栅栏效应。
Fast Fourier Transform (FFT) is inevitable to cause the spectrum leakage and fence effect because of truncation and discreteness in signal collection.
将三种单一离散频率叠加起来可以形成一个更加不规律的组合，傅立叶变换提供了一种将信号分解成各自频率成分的方法。
Summing together only three discrete frequencies can produce a much more erratic composite. The Fourier transform provides a way to decompose signals into their constituent frequencies.
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。
Analyzing inverse DFT, we obtained a system of linear equations, whose solution can be taken as the spectrum of the data series.
信号处理的先进技术，如离散小波变换(DWT)和纠正多分辨傅立叶变换(MFT中)是适用于调查的振动和电流瞬变。
Advanced signal processing techniques such as discrete wavelet transform (DWT) and a corrected multiresolution Fourier transform (MFT) are applied to investigate the vibration and current transients.
本文首先对傅立叶变换的性质做了详细介绍，其中包括离散傅里叶变换，快速傅立叶变换（FFT）以及基-2按时间抽取（DIT）的FFT算法；
Firstly , the properties of Fourier Transform, including discrete Fourier Transform, FFT and based-2 DIT FFT, are introduced in this paper;
仿真结果表明，在基于全光离散傅立叶反变换器的OFDM系统中也同样有对峰均比和光纤非线性效应的抑制作用。
Simulations also show similar PAPR reduction and fiber nonlinearity mitigation in optical inverse discrete Fourier transformer (OIDFT) based OFDM systems.
研究了数字图像处理中两种最常用的算子——离散二维傅立叶变换和离散二维卷积，并给出了它们在RCA上的映射策略和映射过程。
Study two of the most important basic operations in digital image processing: 2-D Discrete Fourier Transform and 2-D Discrete Convolution Transform. Map them on RCA.
研究了数字图像处理中两种最常用的算子——离散二维傅立叶变换和离散二维卷积，并给出了它们在RCA上的映射策略和映射过程。
Study two of the most important basic operations in digital image processing: 2-D Discrete Fourier Transform and 2-D Discrete Convolution Transform. Map them on RCA.
应用推荐