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Jim Shima (@jshima)

DSP expert with 30+ yrs experience designing signal processing systems.

Re: Circular convolution

Reply posted 1 week ago (04/17/2025)
Yeah, what you are doing by manipulating amplitude is effectively some sort of filtering operation (just not conventional).  Over 20 yrs ago I had a guy doing this...

Re: FM demod using derivatives

Reply posted 1 month ago (03/24/2025)
The other issue with using the derivative formulation is that it is not as accurate as the atan version. Why?  Because the first order difference in phase of the...

Re: A Taylor Series Question

Reply posted 2 months ago (03/02/2025)
I'm pretty sure all her work is derivative.

Re: Good examples of filters in Verilog?

Reply posted 3 months ago (02/09/2025)
...
I believe that the notion of "no negative frequencies" is a bit constrained.  Basically an analytic signal has no frequency "image", whereas all real-valued signals...

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