Category Archives: Research

3D-Printed Hilbert Curve Absorbers

Fused filament fabrication (FFF) 3D printers are good for many things,1 but production of sharp points is not among those strengths. Thus, the traditional structure of millimeter wave absorbers—a periodic array of square pyramids—is poorly suited for production via FFF … Continue reading

Posted in | Tagged , , , , | 1 Comment

Photogrammetry Targets

The Scanreference photogrammetry system includes 149 magnetic coded targets and PDFs for printing 192 more targets. However, while measuring something that isn’t ferromagnetic, the magnetic targets aren’t particularly helpful, and the 192 printable coded targets aren’t always enough. Unfortunately, AICON … Continue reading

Posted in , | Tagged , | Leave a comment

Volume of West Hill Pond

Since I have a bathymetric map of West Hill Pond, I thought it might be interesting to calculate the volume of the pond. The formula for calculating the volume of the frustum of a pyramid is where is the height … Continue reading

Posted in | Tagged , , | Leave a comment

Perambulations and Town Lines

Although abolished a few decades ago, for much of Connecticut’s history colonial, then state law required that towns regularly perambulate their boundaries and establish and renew bounds on said boundaries under penalty of a fine. This was to be done … Continue reading

Posted in | Tagged , , , , , , | Leave a comment

Camp Workcoeman Land Acquisitions

Since last summer, I’ve been working on a map of Camp Workcoeman. A time consuming aspect of that has been finding and mapping the property bounds, and I’ve spent quite a bit of time researching the deeds for the various … Continue reading

Posted in | Tagged , , , , , | Leave a comment