Lec 27 | MIT 18.085 Computational Science and Engineering I

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Uploaded by on May 19, 2008

Multiresolution, wavelet transform and scaling function

A more recent version of this course is available at: http://ocw.mit.edu/18-085f08

License: Creative Commons BY-NC-SA
More information at http://ocw.mit.edu/terms
More courses at http://ocw.mit.edu

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  • Strang brings up the fact (maybe it was few lectures ago) that if the sum of the filter coefficients add to zero, then the filter is a high pass filter; alternatively, if the filter coefficients add to 1, it must be low pass. That is not mentioned often, but is important. Tricks like that need to be vocalized more frequently!

  • thanks a lot, very useful

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