pulsation vs pulsing

pulsation and pulsing both are nouns.

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

As nouns, pulsation and pulsing are synonyms defined as:

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

Other synonyms of pulsation include impulse, pulse.

pulsation (noun)	pulsing (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