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TheAppliedResearchesBasedonWaveletAnalysisTheoryan
- 小波分析是时间- 频率分析, 它具有时频窗任意“伸缩”的能力, 基于小波变换原理的数字滤波器具有 傅里叶分析不可比拟的优越性。小波的分解与重构算法简单, 这使得滤波器实现起来简单可靠
stft
- 一维向量的离散短时Fourier变换函数。函数名:stft,输入:要处理的一维数组,加窗:矩形窗,窗口宽度:20。
qwet1234
- 在 MATLAB 中的窗函数,十分简单: 矩形窗 三角窗 汉宁窗 海明窗 布拉克曼窗 恺撒窗 -In MATLAB, the window function is very simple: a rectangular window of triangular windows Hanning Hamming Blackman Window Caesar Window
Lab0501-FIR
- 窗函数设计FIR数字滤波器的原理 线性相位FIR数字滤波器算法-FIR
Nobis-StatusChart-Demo-and-Source
- 野比的状态波形图控件与演示。实现的效果类似Windows任务管理器CPU使用率波形图和迅雷下载悬浮窗进度图。-Nobi s StatusChart demo & source code.
featureOfDWT
- Discrete Wavelet Transform,[1]离散小波变换是指在特定子集上采取缩放和平移的小波变换,是一种兼具时域和频域多分辨率能力的信号分析工具。此变换运用可以缩放平移的小波代替固定的窗进行计算分析,主要应用于信号编码和数据压缩-Discrete Wavelet Transform, [1] the discrete wavelet transform is adopted in a specific subset of the zoom and pan on the wavel
pingpu
- 本程序是学习数字信号分析的基础程序。其中对窗函数的理解对以后学习小波分析很有用。-This procedure is the basis for learning digital signal analysis procedures. Understanding of the window function which after learning of the wavelet analysis is useful.
Wavelet-Analysis
- 对于非平稳信号的分析不能依靠傅里叶变换,但可以采用时频分析的方法,其中加窗傅里叶变换是最简单的一种。但是,它有很大的局限性:当基本窗函数一旦取定,窗口的时窗宽度和频窗宽度就固定了,不会随时域和频域的位移而变化。-For non-stationary signal analysis can not rely on Fourier transform, but you can use time-frequency analysis method, in which the windowed Four
fft
- 数字信号处理的设计报告,包括FFT,窗函数,以及小波变换等非常有用的内容-this is a very important file ,you can find soe useful things here,it has FFT wavelet or else
windowfunc
- 利用窗函数设计低通滤波器,使其通带为1MHZ,阻带为小于40dB。-Using window function to design the low-pass filter, its passband is 1MHZ and stopband is less than 40dB.
fft_bpfilter
- 该函数使用matlab对运动情况下的心电信号做快速傅里叶变换,并加汉宁窗函数进行滤波-The function uses Matlab ECG movement fast Fourier transform, Hanning window function filtering
simple-filter
- 一般的高通、低通滤波器等功能,还有加窗算法。-General high-pass, low-pass filter, as well as windowing algorithm.
kaywing-windows-and-IIR-filter
- 实现各种典型窗函数的时域与频域特性、已知滤波器条件设计巴特沃思等滤波器、或已知系统函数可求出数字滤波器。-Achieve a variety of typical window function in time domain and frequency domain characteristics, known design Butterworth filter criteria such as filters, or known to the system function can be ob
kaisachuangkoubutongzhibijiao
- 脉冲压技术中需要用到加权窗函数,凯泽窗口是常用的加权窗函数。-Pulse compression techniques need to use a weighted window function, Kaiser window is commonly used weighting window function.
timefre
- 时频分析,窗宽对信号恢复的影响 以及差值分析-Time-frequency analysis, the impact of the window width and the difference signal recovery analysis
Untitled4
- 窗函数滤波器-Window function filter
low-pass-filter
- 使用fir1函数实现低通滤波器,使用了hamming窗来实现的-Design of low pass filter using fir1 function and Hamming window