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用Fourier变换求取信号的功率谱---周期图法FFTpowerspectrumandtheestimated

于 2008-06-02 发布 文件大小:2KB
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  用Fourier变换求取信号的功率谱---周期图法 用Fourier变换求取信号的功率谱---分段周期图法 用Fourier变换求取信号的功率谱---welch方法 功率谱估计----多窗口法(multitaper method ,MTM法) 功率谱估计----最大熵法(maxmum entmpy method,MEM法) 功率谱估计----多信号分类法(multiple signal classification,music法)Fourier transform to strike a signal to the power spectrum - the cycle of plans Fourier transform to strike a signal to the power spectrum - Sub-cycle Method Fourier transform to strike a signal to the power spectrum --- welch method Power spectrum estimated more than window ---- Law (multitaper method, MTM) ---- Power spectrum estimate of maximum entropy (maxmum entmpy method, MEM) ---- More than the estimated power spectrum signal classification (multiple signal classification, music)(To strike a signal with Fourier transform power spectrum- periodogram to strike a signal with Fourier transform power spectrum- Sub-periodogram with Fourier transform power spectrum of the signal to strike-welch method of power spectrum estimation multi-window method (multitaper method, MTM method) Maximum entropy power spectrum estimation method (maxmum entmpy method, MEM law) power spectrum estimation multi-signal classification (multiple signal classification, music law) Fourier transform to strike a signal to the power spectrum- the cycle of plans Fourier transform to strike a signal to the power spectrum- Sub-cycle Method Fourier transform to strike a signal to the power spectrum- welch method Power spectrum estimated more than window Law (multitaper method, MTM) Power spectrum estimate of maximum entropy (maxmum entmpy method, MEM ) More than the estimated power spectrum signal classification (multiple signal classification, music))

文件列表:

FFT和功率谱估计.txt

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  • matlab463
    这是一个matlab的bp网络程序,可用于逼近和预测,程序里有详细的说明与注释,包括数据预处理、建立网络、训练、仿真、预测的整个过程。(This is a matlab the bp network procedures, can be used for approximation and prediction, procedure, there are detailed instructions and notes, including data pre-processing, networking, training, simulation, prediction of the whole process.)
    2007-09-23 08:45:15下载
    积分:1
  • yinpinvmatlab
    自己觉得很不错的一个matlab 处理音频信号的一段程序,主要功能是对音频信号波形的处理以及幅度的调制()
    2007-10-10 10:47:31下载
    积分:1
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    三角波及其频谱三角波及其频谱三角波及其频谱(The triangle spread the spectrum)
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    积分:1
  • LSCE
    对齿轮箱进行振动试验,获得相应振动数据,然后通过此算法对数据进行处理得到稳态图(Of the gearbox vibration tests to obtain the corresponding vibration data, then this algorithm for steady-state map data processing)
    2020-09-06 14:38:08下载
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  • yinpindaitongchuli
    该程序完成Matlab对音频信号的带通处理,可以将带通前后的频谱图相对比,和播放音乐变化。(The program completed Matlab band-pass processing of the audio signal, may be band-pass around the spectrum diagram relative ratio, and playback music changes.)
    2013-03-18 23:07:20下载
    积分:1
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    matlab仿真精华,关于三相异步电机起动的案例,很有用(the matlab simulation essence, in the case of three-phase asynchronous motor starter, useful)
    2012-09-09 18:14:15下载
    积分:1
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    关于指纹识别的一些利用matlab进行图像预处理的源程序(Some of the use of fingerprint matlab source code for image preprocessing)
    2010-05-12 00:51:49下载
    积分:1
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    this the function written in matalb to addned the white gaussian noise removal
    2011-08-06 20:27:42下载
    积分:1
  • slope_adapt_filter
    实现对InSAR复相位信号进行基于局部频率估计的“斜坡自适应(slope-adapt)滤波” 此滤波方法特别适用于InSAR相位图滤波,能在最大限度保持有用信息的条件下滤除各种噪声。(A matlab function of Slope-adapt-filter for InSAR phase filtering. It is based on local frequency estimation.)
    2009-03-21 17:26:21下载
    积分:1
  • firdesign
    This document is astep by step guide to design digital filters using matlab
    2009-04-27 21:26:22下载
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