Beginer's FPGA with SERDES

On 23.10.2017 2:00, rickman wrote:
> Evgeny Filatov wrote on 10/22/2017 6:02 AM:
>>
>> Besides, it's an interesting type of a DSP problem. A case for which an
>> m-sequence transform at the receiver side is an efficient solution.
>
> I'm not sure what you are describing.
>
> I remember learning about a photoacoustic spectrometer my professor was
> working on.  It used a disk with slots to shutter the optical beam from
> a monochromator and self interfered by the disk making noise and
> vibrations. I wondered if that could be mitigated by making the slots in
> the disk different widths and detecting the acoustic signal in a
> synchronized manner.  I wasn't schooled in electronics yet and didn't
> realize that is the basis of DSP techniques.
>
> Is that the sort of thing you are talking about?
>

Not really. The type of setup you described can be used to measure 
impulse response of a system:

http://www.commsp.ee.ic.ac.uk/~mrt102/projects/mls/MLS%20Theory.pdf

Perhaps it's not what the ham is trying to achieve. Thought it's worth 
mentioning, though.

Gene