Faster than Fourier?

比傅里叶更快？

Fourier transform looks at the whole signal at once, Strang says.

“傅里叶变换一次性地考察整个信号，”Strang说。

“Fourier transform looks at the whole signal at once, ” Strang says.

“傅里叶变换一次性地考察整个信号，”Strang说。

Fourier synthesis is the process of building the sound back up again.

傅里叶合成是将声音重新构成的过程。

The pulse signals were processed by using the fast Fourier transforms.

应用快速傅立叶变换方法对脉搏信号进行了分析。

Fast Fourier Transform (FFT) is an effective method to detect harmonic.

快速付立叶变换(FFT)是对谐波进行检测的有效方法。

Whether a sixth is lurking around 55 Cancri a, only time (and Fourier) will tell.

围绕恒星“55 Cancri a”运行的是否还会有第六颗行星？只有时间(与傅立叶)可以告诉我们。

Maybe we could look for high frequency components in Fourier transforms on the sequences.

或许我们可以寻找序列的Fourier变换中的高频率成分。

The lens-less device is called a Planar Fourier Capture Array.It's a flat piece of doped silicon.

这款相机的科学名称是平面傅立叶光线捕捉器，是一种没有镜头的相机，外观看来就是一片涂层硅。

The lens-less device is called a Planar Fourier Capture Array. It’s a flat piece of doped silicon.

这款相机的科学名称是平面傅立叶光线捕捉器，是一种没有镜头的相机，外观看来就是一片涂层硅。

Fourier filter is implemented to smooth the profile and reduce the local noise effects on NCM.

采用傅里叶算子对人体轮廓实现平滑处理，消除局部噪声对最小负曲率点的影响。

Fourier hologram with informations in the reference beam can be used as a holographic translator.

参考光具有信息内容的傅里叶全息图可用来做全息翻译器。

A series of primary pictures are made by optical Fourier transformation and convolution operation.

这种方法是通过对光学傅氏变换所获得的一系列初始图像进行卷积。

Three types of data processing are performed using Fourier transformation and correlation technique.

本文应用富立叶变换与相关技术原理对数据进行了三种方式的处理。

This is not to say that Marx learnt nothingfrom utopian thinkers like Fourier, Saint-Simon and Robert Owen.

这并是不说，马克思从乌托邦思想家如傅里叶、圣西蒙、罗伯特.欧文处一无所学。

Free space propagation and Fourier transfer system are also analyzed and discussed as particular cases.

对其通过自由空间和付里叶变换系统特殊情况的传输作了分析和讨论。

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。

The decrease of the drain-source voltage or bus voltage affects the entire spectrum evenly according to Fourier theory.

降低漏源极直流母线电压影响干扰信号按傅立叶展开式的全部频带。

In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.

通过将对数极坐标和傅立叶变换结合，完成旋转不变的傅立叶纹理特征提取。

In order to analyzing digital signals with the aid of computers, it is necessary to use Fourier Series of discrete form.

为在计算机上做傅里叶级数的分解，需要对连续信号进行抽样，然后按离散傅里叶级数进行分解。

Physical meaning: the self-correlation function and the energy spectrum density function compose a Fourier transform pair.

物理含义：能量信号的自相关函数与能量谱密度函数构成傅立叶变换对。

This paper will use small signal analysis and split-step Fourier to solve the complex nonlinear Schrodinger equation (NLSE).

本文将结合分步傅里叶方法和小信号分析法来求解复杂的非线性薛定谔方程(NLSE)。

In this paper, we introduce an automatic particle recognition approach based on Fourier descriptors from the application point of view.

本文从应用的角度出发，提出了一种基于傅立叶描述符的颗粒形状自动识别方法。

A lot of grating messages including its profile can be derived from diffraction spectrum of grating according to Fourier optical theory.

根据傅立叶光学理论从光栅的衍射频谱中可以反推光栅本身的多种信息，包括其形貌特征。

Used Fourier transforming the nuclear logs, its vertical resolution can be achieved from analyzing the changes of amplitude spectrum slope.

对核测井曲线进行付氏变换，其纵向分辨率可以从分析振幅谱斜率变化中获得。

This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).

本文采用基于傅立叶变换(DFT)的频谱分析方法，计算流量信号的频率和相位差。

The critical part of this sight is a holographic optical elements combined with a lensless Fourier transform hologram and a holographic beam transformer.

瞄准具的核心部件是由一块无透镜傅里叶变换位相全息图和一块全息光束变换器组成的全息光学元件。

Fast Fourier transforms, sliding percentage Windows, and some Linux audio programming can give you tonal-recognition capabilities with your language of choice.

快速傅立叶变换、滑动窗口和某些Linux音频编程可以为您提供符合您所选语言的音调识别能力。

If all pictures are characterized by similar Fourier spectra, which have different scales, the optical fractal pattern can be obtained in the output plane.

如果所有的图像具有相同的傅里叶光谱特征，而这些光谱却具有着不同的尺度，在输出平面上便可获得分形图像。