Sounds like a weak radio signal! I wonder if we could pass it through a deringing filter to remove some of that noise, eg, like these guys have done: http://www

Sounds like a weak radio signal! I wonder if we could pass it through a deringing filter to remove some of that noise, eg, like these guys have done: http://www.cs.rpi.edu/~oztanb/Papers/spie07paper.pdf http://www.cs.rpi.edu/~oztanb/Papers/spie07paper.pdf