Rank: 367 based on 330 downloads (last 30 days) and 13 files submitted
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Jianwen Luo

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14 Feb 2007 Screenshot Numerical differentiation based on wavelet transforms Numerical differentiation based on wavelet transforms (CWT and DWT) Author: Jianwen Luo time frequency, wavelets, wavelet, differentiation, derivative 62 7
  • 5.0
5.0 | 8 ratings
06 Dec 2005 Savitzky-Golay Smoothing and Differentiation Filter Savitzky-Golay smoothing and differentiation filter. Author: Jianwen Luo filter design, filter analysis, savitzkygolay, smoothing, differentiation, signal processing 74 17
  • 4.42857
4.4 | 14 ratings
29 Nov 2005 2-D Savitzky-Golay Smoothing and Differentiation Filter. 2-D Savitzky-Golay smoothing and differentiation filters, including those for mixed partial ... Author: Jianwen Luo filter design, filter analysis, savitzkygolay, smoothing, differentiation, derivative 17 3
  • 4.0
4.0 | 1 rating
11 Nov 2005 2-D Savitzky-Golay Smoothing and Differentiation Filter Obtain the coefficients of the 2-D Savitzky-Golay smoothing and differentiation filter, ... Author: Jianwen Luo filter design, filter analysis, savitzkygolay, leastsquares, smoothing, differentiation 12 1
22 Jun 2005 Lagrange Differentiator The digital differentiator from the Lagrange interpolation. Author: Jianwen Luo filter design, filter analysis, digital differentiato..., lagrange interpolatio..., maximally flat 9 0
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10 Jul 2014 Numerical differentiation based on wavelet transforms Numerical differentiation based on wavelet transforms (CWT and DWT) Author: Jianwen Luo karlosgk

06 Jul 2014 Savitzky-Golay Smoothing and Differentiation Filter Savitzky-Golay smoothing and differentiation filter calculated with the recursive properties ... Author: Jianwen Luo Russell

12 Aug 2013 Numerical differentiation based on wavelet transforms Numerical differentiation based on wavelet transforms (CWT and DWT) Author: Jianwen Luo Stern, Yotam

excellent work!

really helpful, i was just looking into this and stumbled upon this file through google.

19 Apr 2013 Numerical differentiation based on wavelet transforms Numerical differentiation based on wavelet transforms (CWT and DWT) Author: Jianwen Luo Ganong, James

Your method worked to solve a problem that stumped me for years! I work with tracking data from ocean animals. These data can be very noisy, but I was able to extract good speed data.

30 May 2012 Smooth Differentiation A smoothed differentiation filter (digital differentiator). Author: Jianwen Luo UMP

Jianwen Luo: I have go through this m.file. This is a nice work and good reference to me but I really want to know how I can find the maximum and minimum peak from this graph?I want to use [pks locs]=peakfind() but I do not know how to manipulate it. I need your help.

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