Show HN: I made a new sensor out of 3D printer filament for my PhD

Re:Show HN: I made a new sensor out of 3D printer filament f... by raphman on Thursday April 11, 2024 @01:00PM (#40004358)

Very beautiful research and thorough documentation. I initially wanted to comment that this looks a lot like time-domain reflectometry on a conceptual level - but as Cindy Harnett seems to be your advisor, you probably know that already :)

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Re:Show HN: I made a new sensor out of 3D printer filament f... by 00702 on Thursday April 11, 2024 @01:06PM (#40004420)

Indeed! How do you know her?

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Re:Show HN: I made a new sensor out of 3D printer filament f... by raphman on Thursday April 11, 2024 @04:36PM (#40006548)

Oh, just from reading her papers. I have been playing with TDR a long time ago [1] and try to follow current developments.

[1] https://dl.acm.org/doi/10.1145/2047196.2047264

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Re:Show HN: I made a new sensor out of 3D printer filament f... by smoyer on Thursday April 11, 2024 @09:02PM (#40008451)

I did some work on TDR analysis when analyzing CATV fraud detection but it turns out that we generally know where on the fiber plant each CPE is and collecting the DOCS IS timing data from those devices is essentially free.

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