FFT英文翻译_含义_读音_FFT例句

词性释义

abbr. 快速傅氏变换算法（Fast Fourier Transform Algorithm）

例句

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快速傅立叶变换
快速傅里叶变换

Moreover, the hardware requirement is simpler and it is possible to run with a dual-channel FFT analyser only.

硬件配置也较简单，甚至可以只用双通道FFT分析仪来实现。

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。

This equation is adapted to any shape 's input beam and can be easily realized using fft arithmetic.

该方程对任意分布形式的输入光束具有普适性、并便于利用快速傅立叶变换算法实现。

A diagnosis and signal analysis method with FFT signal processer is provided for on surge -detonation of a twin -spool turbojet engine.

本文着重介绍某双轴发动机喘振—爆燃故障用FFT信号处理机进行诊断和信号分析的方法。

Finite -frequency tomography(FFT) is a new method to invert deep structure of the earth in the age of broadband seismic observation.

有限频率层析成像是在宽频带地震观测时代提出的反演地球深部结构的新方法。

At the same ti me, a corresponding fast computing algorithm is deduced by using FFT and CZT algorithm.

同时，利用FFT及CZT算法，进一步推导出尺度变换矩阵的一种快速实现算法。

In this paper, it briefly discusses the FFT and its application in the case of phone-video.

简单介绍了FFT变换及其在电话视频中的作用。

A new thought of combining frequency estimate method based on FFT with that based on multiple signal classification (MUSIC) is presented.

提出了将基于FFT的频率估计法和基于多重信号分类（MUSIC）的频率估计法相结合的新思路。

This FFT method is compared with other traditional fitting methods by computer emulation for an erbium-doped fiber sensing system.

以掺铒光纤为例，通过数字仿真将本方法与其它几种传统的拟合方法进行了比较。

The optimal filter coefficients are calculated in the frequency domain by FFT and are derived from an eigenvector of a matrix.

最佳均衡器的系数通过快速傅立叶变换在频域进行计算，并可通过求取矩阵的特征向量来获得。

This paper presents the application of the MSP430-based FFT algorithm with variable sampling points to a vortex flowmeter system.

介绍了一种基于MSP430单片机和变采样点数的FFT算法在涡街流量计中的应用。

Light propagation is described by paraxial wave equations and solved by a phase-screen method combined with the FFT technique.

光在流场中的传输采用傍轴近似光波传输方程描述，用相屏法和快速傅里叶变换（FFT）技术求解。

Step One: Select a WAV file as the target of analysis. (Ding. wav) Step Three: Transform and painting to FFT frequency domain graphics.

步骤一：选择一个WAV文件作为分析的对象。（ding.wav）步骤三：进行FFT变换并画频域图形。

This algorithm takes good advantage of human audio system and embeds watermark into the phase of audio signal after FFT.

该算法充分利用人耳听觉系统特性，把水印信号嵌入到音频信号快速傅立叶变换后的相位系数上。

the exact upper bound and lower bound of mean square error are obtained for the two FFT algorithms of fixed point and block floating point.

得到了准确的定点和块浮点两种FFT算法的均方误差上下限。

Considering real-timing of algorithm, FFT is used for estimation of signal spectrum, and the specific steps are expressed.

考虑到算法的实时性，信号谱估计的算法完全基于FFT快速变换，并且给出了算法的具体实现步骤。

The traditional method of spectrum analysis on the current signal via FFT is hard to diagnose the fault of the broken rotor bars.

传统的通过FFT变换对电机定子电流信号直接进行频谱分析，难以有效识别出转子断条故障。

Sampling data using fast Fourier transform (FFT) to numerical algorithm has obtained the high accuracy air shaft synthesis parameter survey.

对采样后的数据运用快速傅立叶变换（FFT）进行数值计算，获得了高精度的风井综合参数的测量。

Algorithms are presented for maximally efficient computation of the crystallographic fast Fourier transform (FFT).

算法提出了最大限度地有效计算晶体快速傅里叶变换（FFT）。

At last the FP operation modules are used to design FP FFT processor, achieve high precision of FFT processing on FPGA.

最后应用浮点运算模块设计浮点FFT处理器，在FPGA中实现高精度的FFT处理。

The software makes FFT for the acquired data. The running status of the unit is shown at real time with graphs and data.

软件对采集来的信号进行傅立叶变换，最终以图形、数据的形式实时显示机组运行状态。

Algorithms for evaluation of the crystallographic FFT for centred lattices are presented.

算法的评价晶体的FFT为中心的晶格介绍。

Present a improved block floating point algorithm which solves the overflow in long point FFT effectively and improves precision.

采用了一种改进的块浮点算法，有效避免了溢出问题并且提高了精度。

Time-frequency order tracking method overcomes the shortcomings of traditional resampling and FFT methods.

克服了采用传统等角度重采样后进行傅立叶变换方法不能在时域内提取阶比信号的不足。

A multi-dimensional vector radix Fast Fourier Transform (FFT) algorithm with Decimation In Frequency (DIF) was proposed.

给出了频域抽取（DIF）多维向量基快速傅里叶变换（FFT）算法。

In this paper, application of FIR filter and FFT processing technology in radar digital signal processing system is introduced.

介绍了数字信号处理FIR滤波器和FFT处理技术在地面侦察雷达中的应用。

Through running FFT on FPGA, it is proved that the technology can effectively reduce the memory accessing's delay, economize memory width.

在FPGA设计环境中模拟运行了FFT核心循环，实验表明该技术可以有效降低带宽需求，减少网络冲突。

using window law and adjusting method to reduce the error of FFT, the results have been markedly improved.

采用加窗法和幅值比值校正法对FFT进行减小误差处理，经过处理效果明显提高。

Fabio Capello told FFT that he 'd told you to "stay in front of the goal" .

法比奥•卡佩罗在接受FFT采访时说道，他曾让你“一直站在球门前面”。

The continuous-wave echo data should be separated time equally and output by fast Fourier transformation(FFT) before the operation.

在算法进行之前，必须对连续波回波数据进行等时段截取，并通过FFT变换输出。

1·Digital signal processor (DSP) is used to meet the need of digital signal processing technique, such as digital filer and FFT.

数字信号处理器(dsp)是鉴于数字滤波和快速傅立叶变换的数字信号处理技术。

2·In addition, FFT is applicable to analyze gradually-changed signals instead of detecting harmonics when the load breaks.

另外，快速傅立叶变换仅适用于分析平稳渐变的信号，不能适应负荷动态变化的电力谐波检测。

1·FFT is a mathematical tool commonly used in digital signal processing, and is characterized by fast operational speed and low SNR threshold value.

快速傅里叶变换是数字信号处理的常用数学工具，以运算速度快和信噪比阈值低为特点。

2·By valuing six American put options, the numerical experiment and analysis show that the Euler method with FFT is a fast and highly accurate numerical method.

在数值实验中，对六个美式看跌期权价格进行了计算，通过分析比较，结果表明：快速傅里叶变换法加欧拉法是一种快速的高精度的数值计算方法。