pulsing vs pulsation

pulsing and pulsation both are nouns.

Word	Noun	Adjective	Verb	Adverb
pulsing	Yes	No	No	No
pulsation	Yes	No	No	No

As nouns, pulsing and pulsation are synonyms defined as:

pulsing and pulsation: (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)

Other synonyms of pulsing include impulse, pulse.

pulsing (noun)	pulsation (noun)
(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)	(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
	the rhythmic contraction and expansion of the arteries with each beat of the heart
	a periodically recurring phenomenon that alternately increases and decreases some quantity