Pulse position modulation (PPM)

urn:mrn:iala:dic:5-3-0075

A form of pulse time modulation in which the position in time of a pulse is varied.

Reference: I.E.C. (modified)

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

English

ampere

charge current

Intensity

Illuminance

Energy

Contrast

Celsius (previously Centigrade)

Capacitance

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM