MATLAB时频域分析工具箱

NCU2009 folder ---40 m files ==============total-list==================================== 2009/10/08 AM 01:34 4,316 blocknormalize.m 2009/10/08 PM 04:07 5,770 confidenceLine.m 2009/10/08 PM 04:07 2,115 dist_value.m 2009/10/08 PM 03:59 5,276 eemd.m 2009/10/08 PM 03:37 853 emax.m 2009/10/08 PM 03:36 867 emin.m 2009/10/08 PM 04:52 9,997 endprocess1.m 2009/10/13 PM 09:40 5,152 ex02d.m 2009/10/08 PM 03:59 4,361 extrema.m 2009/10/27 AM 04:03 7,935 fa.m 2009/10/08 AM 01:39 3,356 FAacos.m 2009/10/21 PM 04:40 3,013 FAcosfor.m 2009/10/08 AM 01:42 1,528 FAhilbert.m 2009/10/27 AM 04:11 1,603 FAimphilbert.m 2009/10/08 AM 01:42 7,896 FAquadrature.m 2009/10/08 AM 01:38 6,695 FAzc.m 2009/10/08 PM 03:46 3,103 findcriticalpoints.m 2009/10/08 PM 04:41 6,536 findEE.m 2009/10/12 AM 01:41 11,957 findEEfsp.m 2009/10/11 PM 12:08 13,153 fspecial.m 2009/10/12 AM 12:01 3,794 FSPHSP.m 2009/10/11 PM 04:47 2,207 hilbert.m 2009/10/08 AM 01:37 1,683 hilbertnormalize.m 2009/10/27 AM 04:06 18,846 hilbtm.m 2009/10/08 PM 03:58 3,502 ifndq.m 2009/10/08 AM 01:36 3,610 linearnormalize.m 2009/10/09 AM 12:36 2,614 local_max.m 2009/10/08 PM 04:52 515 medianfilter.m 2009/10/27 AM 04:48 8,575 nnspa.m 2009/10/27 AM 04:39 8,085 nnspe.m 2009/10/09 AM 12:20 7,539 nspplota.m 2009/10/09 AM 12:18 7,520 nspplote.m 2009/10/08 AM 01:35 3,651 pchipnormalize.m 2009/10/11 PM 04:16 664 ratio1.m 2009/10/11 PM 04:16 914 ratioa.m 2009/10/08 PM 04:06 2,420 significanceIMF.m 2009/10/08 PM 04:07 2,730 signiplotIMF.m 2009/10/08 PM 03:50 1,525 skiphilbt_m.m 2009/10/08 AM 01:35 3,645 splinenormalize.m 2009/10/08 AM 01:34 4,204 splinenormalizeep.m =============================================================== Ver 1.0 ,Release from NCU RCADA Director:Norden E. ,Huang code and footnote:Sheng-Chung ,Su This version of HHT matlab code is for Education Purpose DATE:2009/10/27 What's new with NCU2009? 1.M files with complex structures are equipped with footnotes. 2.Cosine-formula method is in volved in fa.m 3.Testrun examples are prepared in "NCU2009-Run" folder 4.M-files for "Significance for IMFs" are ready. 5.M-files for "Excessive Extrema" are ready. 6.A set of "Run matlab code and Learn HHT" examples are ready: ==============Frequently asked question========================= 6.1. compare the difference of HHT and FFT Q.01-how to show the difference -------ex01.m ==============basic HHT calculation============================= 6.2.Do EEMD Q.02-how to run eemd-------------------ex02.m Q.03-how to run emd--------------------ex02.m 6.3.Plot Hilbert Spectrum how to plot Hilbert-Energy spectrum----ex02.m how to plot Hilbert-Energy spectrum----ex02.m ==============detail IMF Properties calculation================= 6.4.Significance of IMF how to Show the significance of IMF----ex05.m 6.5.I.F.(Instantaneous Frequency) of IMF how to Show the I.F. values of IMF-----ex03.m 6.6.E.E(Excessive Extrema) value of IMF how to Show the E.E. values of IMF-----ex04.m 7.Detail test for "Hilbert-Transform calculation" m-file are ready: ==============detail Hilbert-Transform calculation============== 7.1 Improved Hilbert--Lena how to Show the difference of Hilbert and Improved Hilbert -----testfile 7.2.calculate f(t),a(t) by fa.m--Lena How to Run Hilbert by my favorite method-----fa.m --------------019 7.2.1 Calculationfa for Instantaneous Frequency How to do IF by acos method -----------------------------------020 How to do IF by cosine formula method -------------------------021 How to do IF by matlab Hilbert method -------------------------022 How to do IF Improved Hilbert method---------------------------023 How to do IF Quadrature method---------------------------------024 How to do IF by Zero-Crossing method---------------------------025 7.2.2 functions called by fa for Normalization How to do normalize by Block-normalize method------------------026 How to do normalize by Hilbert method--------------------------027 How to do normalize by Linear-normalize method-----------------028 How to do normalize by Hermite-Spline-normalize method---------029 How to do normalize by Spline-normalize method-----------------030 How to do normalize by Spline-normalize (with favorite end-process) method--031 8.Detail test for the others important m-file are ready: ==============Frequently asked question========================= 8.1. HSP and FSP Comparison--Huang FSPHSP.m----------------------------------001 ==============basic HHT calculation============================= 8.2.Do EEMD--Wu eemd.m------------------------------------002 extrema.m---------------------------------003 8.3.Plot Hilbert Spectrum-lena nnspa.m-----------------------------------004 nnspe.m-----------------------------------005 nspplota.m--------------------------------006 nspplote.m--------------------------------007 ==============detail IMF Properties calculation================= 8.4.Significance of IMF --Wu confidenceLine.m--------------------------008 dist_value.m------------------------------009 significanceIMF.m-------------------------010 signiplotIMF.m----------------------------011 8.5.I.F.(Instantaneous Frequency) of IMF --Wu ifndq.m-----------------------------------012 8.6.E.E(Excessive Extrema) value of IMF--Huang findEE.m----------------------------------013 findEEfsp.m-------------------------------014 ratio1.m----------------------------------015 ratioa.m----------------------------------016 ==============detail Hilbert-Transform calculation============== 8.7. Improved Hilbert--Lena hilbtm.m----------------------------------017 skiphilbt_m.m-----------------------------018 8.8.calculate f(t),a(t) by fa.m--Lena fa.m--------------------------------------019 8.8.1 functions called by fa for Instantaneous Frequency FAacos.m---------------------------------020 FAcosfor.m-------------------------------021 FAhilbert.m------------------------------022 FAimphilbert.m---------------------------023 FAquadrature.m---------------------------024 FAzc.m-----------------------------------025 8.8.2 functions called by fa for Normalization blocknormalize.m-------------------------026 hilbertnormalize.m-----------------------027 linearnormalize.m------------------------028 pchipnormalize.m-------------------------029 splinenormalize.m------------------------030 splinenormalizeep.m----------------------031 8.8.3 other functions called by fa emax.m-----------------------------------032 emin.m-----------------------------------033 endprocess1.m----------------------------034 findcriticalpoints.m---------------------035 local_max.m------------------------------036 medianfilter.m---------------------------037