Sub - Nyquist Sampling - System Architecture Characterization presentation
Conventional sub-sampling
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Conventional sub- sampling
description
Conventional sub-sampling. We like this!. Sub-sampling from laminated sediment:. We don’t like this. Because…. 31 Dec. 24:00 pm. 01 Jan. 00:00 am. autumn. 31 Dec. 24:00 pm. spring. 01 Jan. 00:00 am. Impossible. Possible!!. - PowerPoint PPT Presentation
Transcript of Conventional sub-sampling
Conventional sub-sampling
We like this!We don’t like this.
Sub-sampling from laminated sediment:
Because…
31 Dec. 24:00 pmspringautumn
31 Dec. 24:00 pm
01 Jan.00:00 am
01 Jan. 00:00 am
Impossible Possible!!
Parallel cutting produces seasonally-biased sub-samples unless you make this perfect cutting (which is not possible).
Diagonal cutting (which is possible) is almost equivalent to the perfect cutting in terms of representation of seasons.
SG06 sub-sampling-1
Splitting core into bars by LL-channel,
SG06 sub-sampling-2
then slicing bars diagonally by centi-slicer.