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。
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。
Application result shows that fast Fourier transforms should be adopted in on-line monitoring...
实践应用表明，在在线监测系统中应采用快速傅立叶变换算法。
The course has no specific prerequisites, although a basic knowledge of Fourier transforms is recommended.
虽然需要一些傅立叶变换的基本知识，但这门课程没有具体的先修课。
The Fresnel diffraction formula and the Fourier transforms are used to get the intensity distribution formula.
采用菲涅耳衍射公式和傅里叶变换得出了输出面上的光场的理想计算公式。
The both methods obtain registration information by determining maximum peak in inverse Fourier Transforms domain.
这两种方法都是通过确定逆傅立叶变换域最大峰值位置来获得配准信息。
With Discrete Fourier Transforms description of 3d curved surface, transform function of forming process is discussed.
在多点成形过程中，3维曲面形状的离散傅里叶变换描述能够反映成形件的整体变形特性。
It is hard to implement complex-order Fourier transforms for general complex ABCD optical systems, because of the severe conditions.
大多数的复abcd光学系统无法实现复数阶傅立叶变换。
Main ideas as follows: Research of audio digital watermark Algorithm based on Fast Fourier Transforms and psychoacoustic auditory model.
主要工作有：基于快速傅立叶变换与声学模型的音频数字水印算法研究。
We also use short time Fourier transforms to analyze the spectrum of the scattered wave during the propagation process, and obtain some useful results.
并用短时傅立叶变换分析了声波传播过程中晶粒散射波的频谱特性。获得了一些有用结果。
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。
In this paper, the convolution integrals of the shifting functions and their Fourier transforms are studied in detail, and some important conclusions are obtained.
本文研究了移位函数的卷积积分及其傅里叶变换，得出了一些重要的结论，其中部分结论在信号与系统的研究中具有一定的实用价值。
The article will put forward a kind of new denoising method of digital image in frequency domain:start with a series of Fourier Transforms on hand and wrist X-ray image;
首先对采集到的手腕部骨图像进行傅立叶变换；
Stemming from the coupled nonlinear Schrdinger equation, we use the split-step Fourier transforms(SSFT) to study the factors which influence the signal pulse's transmission.
从非线性薛定谔耦合方程出发，利用分步傅立叶的方法得到了脉冲的动力学方程。
In this paper, the finite double Fourier transforms were applied to solve the nonhomogeneous boundary value problems of the wave, heat conduction, Laplace and Poisson equations.
本文用有限的二重傅里叶变换解波动方程，热传导方程，拉普拉斯方程以及泊松方程的非齐次边值问题。
The author has discussed two integral transforms for 2.5-D transient electromagnetic forward modeling, namely, inverse Fourier transform and inverse Laplace transform.
这里讨论了瞬变电磁法2.5维正演模拟中的两个积分变换：傅里叶逆变换和拉普拉斯逆变换。
Due to wavelet transforms efficiently overcoming the limitations of Fourier transform in dealing with unstable and complicated signal, they are popular in image compression and signal processing.
由于小波变换有效地克服了傅氏变换在处理非平稳的复杂信号时所存在的局限性，因而在图像与信号处理领域受到了广泛的重视。
Materials and methods Comparing the different characteristics between the Fourier exchange and wavelet transforms. Results the wavelet transforms is more suitable for medical tinge treatment.
材料与方法比较傅里叶变换和小波变换的特点、结果小波变换适用于医学影像处理。
Fourier analysis and Laplace transforms.
傅立叶分析与拉普拉斯转换。
Fourier analysis and Laplace transforms.
傅立叶分析与拉普拉斯转换。
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