[sdiy] Allen Strange book

Thomas Strathmann thomas at pdp7.org
Mon Sep 13 23:49:47 CEST 2010


On 13.09.10 23:14, Paul Burns wrote:
> Barry, looking down the EN free list it talks about Hilbert Transformers...
> does that actually throw you into Hilbert Space ?

No, the Hilbert transform is an integral transform that is useful in 
signal processing for modulation/demodulation (see Hilbert transformer), 
forming the analytic signal (signal without negative frequency 
components). Think of it as a 90° phase shift as a rough approximation.



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