On Thu, 6 Mar 2003, Thomas Shaddack wrote: > Musing over > http://www.cl.cam.ac.uk/~mgk25/ieee02-optical.pdf
The moral seems to be don't work in a dark room with windows :-) > Using the software-DSP approach of GNUradio project and replacing the > tuner part of the hardware with the photomultiplier, we can do all the > image processing - filtering, integrating - in software, greatly reducing > the cost of the equipment. But visible is limited to line of sight. With reasonable RF you can bounce all over the planet. > Applies to lots and lots of other non-radio-related problems as well. Can > be used for processing any kind of signal, if we replace the tuner stage > with application-specific hardware. > > Another advantage could be to put large FPGA chips between the ADC and the > computer, which could allow preprocessing of the signal in hardware, > taking some burden off the computer's CPU. The FPGAs can be reprogrammed > on-fly for each application. > > But it's just an idle musing of one awfully tired technician. Maybe it > will be useful for someone, though... Fun toys are fun toys any way you use them :-) Thanks for pointing out the article, looks like a fun read. Patience, persistence, truth, Dr. mike
