SIGNALS

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Buried in noise

How do you know you received a signal and not just noise?

Somewhere inside is a signal. Maybe. Listen. Then filter, and listen again.

  1. Source

    Maybe something

  2. Medium

    A noisy record

  3. Signal

    A pattern, if it is there

  4. Detector

    You, a filter, a second instrument

  5. Measurement

    Signal-to-noise

  6. Meaning

    A claim that can still be wrong