用傅立叶红外光谱仪测定羧基含量。
Determine carboxyl content with Fourier infrared spectrum instrument.
傅立叶方法是解这一方程的有效方法。
Fourier method is an effective method of solving this equation.
永远不能忘记傅立叶变换。
傅立叶变换是分析信号奇异性的传统方法。
The Fourier transform is a classical method for analyzing signal singularities.
一种是快速傅立叶变换(FFT)加速算法。
One is the fast Fourier transform (FFT) accelerated algorithm.
提出了一种基于傅立叶域的音频水印嵌入算法。
An audio watermark embedding algorithm based on Fourier domain is proposed.
戈泽尔算法是离散傅立叶变换的一种快速算法。
应用快速傅立叶变换方法对脉搏信号进行了分析。
The pulse signals were processed by using the fast Fourier transforms.
提出基于快速傅立叶交换的连续信道的计算机模拟。
The computer simulation of continuous channels based on the algorithm of FFT is proposed.
快速傅立叶变换是一种有效、实用的信号DFT算法。
Fast Fourier transformation is an effective, practical DFT algorithm.
建立在傅立叶光学理论基础上的分析与实验结果是一致的。
The analysis based on the Fourier optical theory is coherent with the experimental results.
主要应用傅立叶变换方法计算各种信号的振幅谱和相位谱。
This paper presents computation of the signal's amplitude spectrum and phase spectrum the 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.
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。
The decrease of the drain-source voltage or bus voltage affects the entire spectrum evenly according to Fourier theory.
根据其正弦型分量用傅立叶分析方法重建一个时间或空间函数的过程。
The process of reconstructing a function of time or space from its sinusoidal components determined in Fourier analysis.
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。
Physical meaning: the self-correlation function and the energy spectrum density function compose a Fourier transform pair.
当他们把测量结果通过傅立叶变换分解成一组波时，这组波随着频率减小而增幅巨大。
When they turned these measurements into a series of waves using a mathematical trick called a Fourier transform, the waves increased in magnitude as their frequency decreased.
快速傅立叶变换用到的窗宽度长度有限，因此不能获得完美的频率分辨率。
In STFT is window is of finite length, and we no longer have perfect frequency resolution.
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 this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.
上式表明：功率型信号的自相关函数与其功率谱密度函数构成傅立叶变换对。
Meaning: The self-correlation function and power spectrum density Function of a power-typed signal compose a FT pair.
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。
In this paper, we introduce an automatic particle recognition approach based on Fourier descriptors from the application point of view.
利用分数傅立叶变换级次的任意性，提出了一种基于分数傅立叶域图象水印方案。
It presents a blind image watermarking scheme based on fractional Fourier domain by utilizing that the order of fractional Fourier transform is freewill.
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。
This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).
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。
The lens-less device is called a Planar Fourier Capture Array.It's a flat piece of doped silicon.
APEX是一种基于快速傅立叶变换的直接盲解卷积算法，能够快速复原复杂纹理图像。
The APEX method is an FFT-based direct blind deconvolution technique that can recover complex texture imagery quickly.
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。
A lot of grating messages including its profile can be derived from diffraction spectrum of grating according to Fourier optical theory.
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。
Fast Fourier transforms, sliding percentage Windows, and some Linux audio programming can give you tonal-recognition capabilities with your language of choice.
傅立叶变换方法太常用了，以致于人们在考虑如何处理声音信号时，这几乎成了唯一的方法。
FTs are used so much that it has become the only way people can consider a sound.
傅立叶变换方法太常用了，以致于人们在考虑如何处理声音信号时，这几乎成了唯一的方法。
FTs are used so much that it has become the only way people can consider a sound.
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