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PM

PM

8.9
A way of changing a radio signal by shifting its wave phase
  • noun
  • Specialized
translation icon : modulación de fase
  • Engineers tested both PM and FM to determine which gave clearer audio transmission.

Examples

  • Can you switch to PM mode on the transmitter?

  • The radio uses PM to modulate signals by changing the phase of the carrier wave.

  • In digital communications, PM is often combined with other modulation techniques.

  • The radio uses PM to improve its resistance to signal interference.

  • The technician explained how to use PM for better signal quality.

  • Engineers tested both PM and FM to determine which method gave clearer audio transmission.

  • In digital communications, PM is often employed to enhance signal clarity and reduce interference.

Synonyms

phase modulation
vsPM
  • Specialized
1 6.6

A way of sending information by changing the timing of a radio wave

is the abbreviated label used for this modulation method

Surface Forms

PM singular
PMs plural

Morphology

PM = P + M

This stands for 'phase modulation' in technical contexts; the initialism does not transparently reveal the technical meaning to general learners.

Etymology

PM is short for Prime Minister, where prime means 'first' and minister means 'servant' or 'helper'. So the PM is the main head of government, the country's leading official.