P.R.Decker
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🌐 dev.toSource
How far the channel reaches decides how much work the receiver has to do. Measure the delay spread, then undo it two ways: an adaptive decision-feedback equalizer that follows the channel, and a CIR-MMSE equalizer that measures the channel and solves for the filter.
🌐 dev.toSource
HF delivers a burst along more than one path. Why acquisition anchors on the first path rather than the strongest, how it finds a first path the scan formed no group for, and what the choice measured, with a demo on six recordings, tests and the runner.