Two approaches, single decomposition approach and multi-decomposition approach, using discrete wavelet transform for extracting phase in phase profilometry are proposed.
提出了两种在相位轮廓术中使用离散小波变换提取条纹相位的方法:单次分解法和多次分解法。
Moreover, based on the analysis of the existed wind field retrieval methods of single Doppler radar, we derive a novel algorithm for wind field retrieval from wavelet analysis.
此外,在对现有的单多普勒雷达风场反演方法进行对比分析的基础上,提出了一种基于小波分析的单多普勒雷达风场反演方法。
Based on the single scaling wavelet frame theory and radial basis function neural network, a multi dimensional input and output wavelet network is constructed.
在探索单尺度径向小波框架与径向基函数网络对函数逼近特性相似的基础上,构造了单尺度径向基小波网络。
Analyze the space correlation in the single differential image: sample the wavelet coefficients with window and segment the image into the equal blocks.
分析单幅差分图像的空间相关性:使用采样窗口对单幅差分图像的小波域采样并将图像分割成若干个均匀分布的小块。
Due to the good localization feature of the wavelet transform both in time plane and in frequency plane, a wavelet-based de-noise method is presented for extracting EPs in single trails.
由于小波变换在时域和频域上都具有良好的局部化特性,基于小波变换的去噪方法,可以达到从单次样本中提取视觉诱发电位的目的。
Secondly, three single deck blast vibration signals were analyzed by wavelet packet based on software MATLAB and the change of energy distribution curve at different frequency bands was obtained.
其次,基于MATLAB时爆破振动信号进行小波包分析,得到了爆破振动信号在不同频带上的能量分布图。
The single-mode guided signal from the experiments and the multi-mode signal of a similar THz waveguide reported in the literature are analyzed using the continuous wavelet transform (CWT).
我们采用连续小波分析了实验中测得信号和从文献上重构的相类似的金属波导中的多模信号。
S-transform has muti-resolution overcoming single resolution of short-time Fourier transform. Otherwise, S-transform contains phase factor which wavelet transform has not.
变换具有多种分辩率,克服了短时窗傅立叶变换固定分辩率的不足:另外,S -变换中含有相位因子,这是小波变换所不具备的特性。
On the basis of wavelet packet decomposition technique introduced firstly, the measured unstable oil-film oscillations of single-disc and single-span rotor system were investigated.
在介绍小波包分解原理的基础上,对试验测得的单盘单跨转子系统的油膜振荡非平稳信号用小波包分解方法进行了研究。
Due to the good localization feature of the wavelet transform both in time plane and in frequency plane, we present a wavelet-based denoising method for extracting EPs in single trails.
由于小波变换在时域和频域上都具有良好的局部化特性,本文提出了一种基于小波变换的去噪方法,以期达到从单次样本中提取视觉诱发电位的目的。
In this paper, the method based on the combination of wavelet transform and BP neural network is presented to realize fault location for the single-phase-to-earth fault in non-direct-ground systems.
提出一种基于小波变换与BP神经网络相结合的方法来实现小电流接地系统单相接地故障定位。
In this paper, the method based on the combination of wavelet transform and BP neural network is presented to realize fault location for the single-phase-to-earth fault in non-direct-ground systems.
提出一种基于小波变换与BP神经网络相结合的方法来实现小电流接地系统单相接地故障定位。
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