fast Fourier transform是什么意思，fast Fourier transform的意思翻译、用法、同义词、例句

[数] 快速傅里叶变换

Fast Fourier transform has been applied for computing the cross-correlation of seismic surface waves for records at two stations.

应用了快速傅氏变换计算两个台记录的地震面波的互相关函数。

The FFT (fast fourier transform) algorithm and the mass center notion were used to develop a fast estimation algorithm named the Mass Center Method (MCM).

基于快速傅里叶变换（FFT）运算和质量中心的概念，提出一种快速的高性能估计算法，称为质量中心法。

Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.

快速傅里叶变换（ FFT）是电力系统进行谐波分析的主要算法，但当输入信号中含有衰减直流分量时，FFT算法会产生较大的误差。

Romberg-fast Fourier transform (R-FFT) integration algorithm based on fast Fourier transform (FFT) and numerical integration theory was proposed for modal superposition method.

基于快速傅里叶变换（FFT）和数值积分理论，提出了一种应用于振型叠加法的龙贝格快速傅里叶变换（R-FFT）积分算法。

With the advent of digital mini-computers and the Fast Fourier Transform (FFT) in the 1960's, the modern era of experimental modal analysis began.

1960年，随着数字小型计算机和快速傅里叶变换（FFT）的出现，开启了试验模态分析的现代化时代。

Employing the Fast Fourier Transform Algorithm (FFT) to determine the initial tap coefficients of equalizers is fundamentally different from using the current iteration method.

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。

After deeply studied in the fast Fourier transform (FFT) method, this paper presents an improved FFT algorithm considering the half-wave symmetric characteristic of power system signals.

在深入分析快速傅里叶变换（FFT）方法的基础上，针对一类电网信号具有半波对称性的特点，提出了一种改进的FFT算法。

Frequency spectra of Tianzhu earthquake sequence are analysed by using the fast fourier transform and the maximum entropy spectrum methods and results by the two methods are compared.

利用最大熵谱法和快速傅里叶变换分别对天祝地震序列频谱进行了分析 ，并对分析结果进行了比较 。

Conjugate Gradient Fast Fourier Transform (CG-FFT) method is a fast iterative method which is used to solve large linear equations. It was invented in the 1980s.

共轭梯度快速傅利叶变换（CG-FFT）算法是二十世纪八十年代发展起来的一种求解大型的线性方程组快速迭代算法。

Highlights Fourier transform infrared spectroscopy and fast Fourier transform theory and data collection serial communication method.

着重介绍傅立叶变换红外光谱和快速傅立叶变换的原理和其数据采集串口通信的实现方法。

In the current experiment, the team sent their signals down 50km of optical fibre and then implemented what is known as an optical fast Fourier transform to unpick the data streams.

在这儿，研究者们采用一种被称为光学快速傅里叶变换的方法来分离出数据流。

In order to evaluate match score quantitatively, discrete fast Fourier transform (FFT) is employed to eliminate phase shift and verification is conducted based on a distance model.

在签名旋转不变性的实现中，实现方法分为两种，一种是通过离散快速傅里叶变化（FFT）删除REF特征的相位平移，并结合马式距离模型（MD）实现签名的识别。

According to the articles published, the harmonic analysis of electronic power system is usually achieved via Fast Fourier Transform(FFT).

从国内外发表的文献来看，电力系统的谐波分析，通常都是采用快速傅立叶变换（FFT）实现的。

Fast Fourier Transform is a kind of method to decrease the time used in DFT.

快速傅立叶变换FFT是一种减少DFT计算时间的算法。

The frequency-domain analysis is accomplished by fast-Fourier transform analysis(FFTA)procedures and tested with a computergenerated mathematical model.

频域分析借助于快速富里叶变换分析（FFTA）过程，并用由计算机生成的数学模型进行测试。

The identification of plant samples using Fourier transform infrared spectrometer with OMNI collector is simple, convenient, fast and accurate.

应用OMNI采样器傅里叶变换红外光谱直接测定法鉴别植物样品具有简便、快速和准确的优点。

The trick is to use what is known as a fast Fourier transform to unpick more than 300 separate colours of light in a laser beam, each encoded with its own string of information.

这种技术是使用“快速傅里叶变换”把一束激光中的超过300中不同的光的颜色的光分解出来，每一种光被编码成它自己的信息串。

On the basis of the features of the Fast Fourier Transform (FFT) and digitally modulated signals, this paper proposes a blind channel estimation algorithm.

根据快速傅里叶变换（FFT）和数字信号调制解调的特点，给出了一种盲信道质量估计算法。

Some applications of the fast Fourier transform to the polynomial calculation.

多项式计算当中快速傅立叶变换的应用。

With the development of DSP, the Fast Fourier Transform (FFT) is used widely.

随着DSP技术的发展，快速傅里叶变换（FFT）的应用越来越广泛。

Since the Fast Fourier Transform (FFT) was presented, the harmonics measurement based on Fourier Transform which requires synchronous sampling has been used widely.

自提出快速傅里叶变换算法（FFT）以来，基于傅里叶变换的谐波测量便得到了广泛应用。