(1) amplitude modulation ::
njupụta mgbanwe olu(2) frequency modulation ::
ugboro mgbanwe olu(3) pulse width modulation ::
usu obosara mgbanwe olu(4) phase modulation ::
adọ mgbanwe olu(5) pulse code modulation ::
usu code mgbanwe olu(6) zero modulation ::
efu mgbanwe olu