QuestenaÜben und erkennen, was als Nächstes dran ist
Frage 410

What type of digital signal processing filter is used to generate an SSB signal?

  1. An adaptive filter
  2. A notch filter
  3. A Hilbert-transform filterRichtige Antwort
  4. An elliptical filter

Erklärung

Generating SSB by the phasing method requires a copy of the audio shifted by 90 degrees at every frequency across the passband. A Hilbert-transform filter performs exactly that wideband quadrature shift in the digital domain.

Mit diesem Test weitermachen

Übung starten
Frage 410: What type of digital signal processing filter is used to… · FCC Amateur Extra Class (Element 4) · Questena