On Wed, Nov 2, 2011 at 18:39, Marcus D. Leech <mle...@ripnet.com> wrote:
> I want it for two-element interferometry (the nearly-degenerate-case of a > phased array :-) ). I can already do fine phase adjustment just using > complex phase rotation, but coarse adjustment requires that delays be > inserted. I need to be able to do it dynamically. > > One quick hack I tried was to have a bunch of delay blocks, each with > their own initial delay setting, and then selecting which one > I wanted. That worked just fine. So the initial set_history() appears > to have the desired effect. > You could create an FIR filter with zero-valued taps up to the delay, and a single 1.0 tap at the end, then modify the taps as needed to adjust the delay. Johnathan
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