搜索资源列表
-
0下载:
一个非常好用的计算信号的短时傅里叶变换的matlab程序。-STFT Calculates the Short Time Fourier Transform of Vector Y
-
-
0下载:
短时傅里叶变换:实现对信号的时频分析,时频表示-Short-time Fourier transform: to achieve time-frequency signal analysis
-
-
0下载:
里面包含非常多的时频分析程序,包括小波变换,短时傅立叶变换和维格纳威尔分布-Which contains a lot of the time-frequency analysis procedures, including wavelet transform, short-time Fourier transform and 维格纳威尔 distribution
-
-
1下载:
提出了一种细化FFT的短时傅立叶变换(shorttimeFouriertransform,简称STFT)时频分析新方法.STFT实 质为加窗的傅立叶变换,在窗内数据满足平稳性条件下利用傅立叶变换获得频谱,并依据时间间隔移动窗函数最终得到时频表示.细化FFT在分析频率范围内具有较高的频率分辨率,将细化FFT应用于STFT的窗内数据,可有效提高STFT的时频聚集性-Proposed a frequency analysis of short-time Fourier transform FFT re
-
-
3下载:
一个短时傅里叶变换的C语言实现,对3万个数据进行加窗、FFT处理-A short time Fourier transform of C language, for 30,000 data windowing, FFT processing
-
-
0下载:
短时傅里叶变换和小波变换程序,对信号进行频谱及时频分析方法-Short-time Fourier transform and wavelet transform, the spectrum of the signal in time-frequency analysis method
-
-
0下载:
时频工具箱,以上给了很多函数,但常用的基本就是短时傅里叶变换STFT、Wigner-Ville分布WVD、伪Wigner-Ville分布PWVD和提取瘠ridges、得到理想时频表示tfrideal。-Time-frequency toolbox over to a lot of functions, but the basic is commonly used short-time Fourier transform STFT, Wigner-Ville distribution WVD, p
-
-
0下载:
自己编写的短时傅里叶变换,可加窗,调整重叠率。-I have written short time Fourier transform, the window can be added to adjust the overlap rate.
-
-
2下载:
自己编写的逆短时傅里叶变换,可加窗,调整重叠率。-I have written short time Fourier transform, the window can be added to adjust the overlap rate.
-
-
0下载:
短时傅里叶变换是一种基于窗函数的变换,短窗能够提供较好的时域解析度,长窗能够提供较好的频域解析度。-Short-time Fourier transform is a transform window function based on the short window in the time domain can provide better resolution, the long window can provide better resolution in the frequency d
-
-
4下载:
跳频信号参数估计。参数为跳速、跳时和跳频频率集。文档包括一个短时傅里叶变换函数,一个参数估计函数,一个参数估计相对误差随SNR的曲线图和一个时频分析图。-Frequency hopping signal parameter estimation.Parameters for speed, to jump and jump frequency set.Document includes a function of the short-time Fourier transform, a parame
-
-
0下载:
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
-
-
0下载:
Gabor滤波器是一个用于边缘检测的线性滤波器。Gabor变换是一种短时傅里叶变换方法,其实质是在傅里叶变换中加入一个窗函数,通过窗函数来实现信号的时频分析。当选取高斯函数作为窗函数时,短时傅里叶变换称为Gabor变换。-Gabor filter is a linear filter for edge detection. Gabor transform is a short-time Fourier transform method, and its essence is to add a w
-
-
0下载:
短时傅里叶变换,用以确定时变信号其局部区域正弦波的频率与相位-Short-time Fourier transform, a sine wave signal at its local area while varying the frequency and phase to determine
-
-
0下载:
信号的短时傅立叶变换,paper2_2_1为主程序,仿真不同窗长下短时傅立叶变换的时频聚集度。stftxz为修正的短时傅立叶变换。-Short-time Fourier transform signals, paper2_2_1 main program, the simulation under different window length short time Fourier transform of the frequency of aggregation. stftxz to corr
-
-
1下载:
跳频信号的调制解调过程,代码和短时傅里叶变换,代码比较详细-FH signal modulation and demodulation process, code, and short-time Fourier transform, the code in more detail
-
-
0下载:
SHORT TIME FOURIER TRANSFORM OF SPEECH SIGNAL
-
-
0下载:
chirp信号的短时傅里叶变换源代码,雷达、信号处理等领域,可实现对chirp信号的短时傅里叶变换-short-time Fourier transform source code field chirp signals, radar, signal processing can be realized on short-time Fourier transform chirp signal
-
-
0下载:
一个简单的调用Matlab stft函数进行短时傅里叶变换的示例程序-A simple function call Matlab stft short time Fourier transform of the sample program
-
-
2下载:
短时傅里叶变换提取线性调频雷达信号的时频分布,具有很好的效果-When the short-time Fourier transform to extract chirp radar signal frequency distribution, with good results
-