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连续小波变换；短时傅里叶变换是一种单一分辨率的信号分析方法 ；短时傅里叶变换是一种单一分辨率的信号分析方法-continuous wavelet transform; Short-time Fourier transform is a single resolution signal analysis methods ; Short-time Fourier transform is a single resolution signal analysis method
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A novel texture-based Automatic Fingerprint Authentication System (AFAS) is proposed. A fingerprint image is preprocessed to enhance the image by Short Time Fourier Transform (STFT) analysis. Then, three sets of invariant moment features, as a kind o
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给定函数，变换到频域内，比较短时傅里叶变换大、小视窗和小波变换的区别，生成时频分析图,A given function, transform the frequency domain, more short-time Fourier transform, and a small window and the difference between wavelet transform to generate time-frequency analysis
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时频分析工具，经典工具箱，包括短时傅里叶变换等实用函数 -Time-frequency analysis tools, classic toolbox, including the short time Fourier transform and other utility functions
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短时傅里叶变换的一些简单的演示，其中有矩形窗和高斯窗-some demos for the short time fourier transform
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Produce lfm,tfm,sfm,pfm,bpsk,qpsk cw ledai signal .Use short-time Fourier transform arrive at the instantaneous frequency.-Produce lfm, tfm, sfm, pfm, bpsk, qpsk cw ledai signal. Use short-time Fourier transform arrive at the instantaneous frequency.
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A novel texture-based Automatic Fingerprint Authentication System (AFAS) is proposed. A fingerprint image is preprocessed to enhance the image by Short Time Fourier Transform (STFT) analysis. Then, three sets of invariant moment features, as a kind o
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短时傅里叶变换
将时间上选取一段，开一个小窗口
在该改窗口上进行变换
能得到更详细的频谱信息-Short time Fourier transform, select the time period, to open a small window in the window changes to transform the spectrum to get more detailed information
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指纹图像增强，gabor滤波器，包括形态学分割，形态学细化，加窗短时傅里叶变换增强，方向图估计及平滑，纹线频率估计及平滑-Fingerprint image enhancement, gabor filters, normalization, equalization, morphological segmentation, morphological thinning, windowed short time Fourier transform enhanced estimates and s
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用matlab实现的短时傅里叶变换和小波变换。有文档-Using matlab to achieve short-time Fourier transform and wavelet transform. A document
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对语音信号的实现短时傅里叶变换 用汉明窗进行信号的截取-The speech signal to achieve short time Fourier transform of the Hamming window used for signal interception
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短时傅里叶变换,主要用于故障诊断和信号处理，很好用-Short-time Fourier transform
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短时傅立叶变换和几种基小波的编制以及对多个基小波的选择。-short time Fourier transform and wave_bases
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通信领域里图像处理的短时傅里叶变换域维格纳分布-Wigner distribution of the short time Fourier transform domain image processing in the communication field
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表面肌电信号的短时傅里叶变换，提取特征向量-Short time Fourier transform of the surface EMG signal, extract the feature vector
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用短时傅立叶变换方法实现歌曲变变调功能，变调最小步长为1个半音
-Achieve the song becomes sandhi function modulation smallest step for a semitone short-time Fourier transform method
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令x(n)=5exp(j*0.15*n*n)+6exp(j*300n-j*0.15*n*n) ，w(n)为高斯窗函数。试用matlab软件，取不同长度的窗函数，分别求x(n)离散短时傅里叶变换，并进行信号重构。-ORDER x (n) = 5exp (j* 0.15* n* n)+6exp (j* 300n-j* 0.15* n* n), w (n) for the Gaussian window function. Trial Matlab software, take different l
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matlab编程的短时傅里叶变换典型实例,供大家参考。-short-time Fourier transform matlab programming typical examples for your reference.
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里面包括短时傅里叶变换谱，倒谱平滑等，这些代码广泛用于，语音说话人识别，语音增强，雷达，声呐，图像等领域-Including short-time Fourier transform spectrum, cepstrum smooth, etc., are widely used in the code, voice speaker recognition, speech enhancement, radar, sonar, image, etc
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时频分析，用于信号的时频分析，短时傅里叶变换、小波、脊线提取、一些信号的生成，等等。-Time-frequency analysis, time-frequency analysis for signal, short time Fourier transform, wavelet ridge line extraction, generate some signal, and so on.
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