The Propagation Group

Georgia Tech ECE Research Group

Home of the Georgia Tech Propagation Group

News and Resources for the Durgin Research Group

Rough Edge Diffraction

Posted on Written by


Rough Edge Diffraction over a Perfect Electric Conducting Half Plane

Zachary Costello, PR-TR-091215-ZC, 15 December 2009

This report documents the behavior of diffraction across a roughened knife-edge.  The work is beautiful and sophisticated, especially considering it was accomplished as undergraduate research.  The work contains electromagnetic source codes in Matlab that compute how a field solution degrades as the diffracting surface becomes rougher and rougher.

The Big Schodowski

Posted on Written by

Today, Jake Schodowski started his job at Atlanta Micro, an up-and-coming local company that specialized in RF devices and designs (up to 40 GHz). Jake performed some excellent work with NASA and nGimat on a space-based Ka-band array design.  It should be noted that nGimat (pronounced N-Gee-Mat, short for engineered nano-materials) was a GT-based startup in the 1990s based on applied nano-materials.

The GTPG is continuing work with mm-wave arrays, although this is becoming an increasingly difficult area to staff due to the short “shelf-life” of RF engineers with mm-wave experience.  Industry cannot get enough of these types of students at the moment.

POW Exchange with the FCC

Posted on Written by

Communication with FCC’s
Office of Engineering Technology Regarding ISM Compliance of Power-Optimized Waveforms
PG-TR-081120-GDD, 20 Nov 2008

Here is an interesting conversation that the GTPG had with the US Federal Communications Commission’s Engineering Office in 2008 regarding the legality of using Power-Optimized Waveforms for transmitting wireless power in unlicensed bands.  Basically, after fielding the question “Is this transmission scheme legal?” several hundred times at conferences and talks, we thought it best to set the record straight.  The answer is “yes!” — straight from the horse’s mouth.

Problem of the Day Archive

Posted on Written by

For those that miss problems-of-the-day, the website menu contains an archival link to a collection of these postings.  The casual website reader probably wants nothing to do with PotDs, but for the select few who cannot get enough of applied problems in electromagnetism … enjoy!