pulsing vs impulse

pulsing and impulse both are nouns.

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

As nouns, pulsing and impulse are synonyms defined as:

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

Other synonyms of pulsing include pulsation, pulse.

pulsing (noun)	impulse (noun)
(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)	the act of applying force suddenly
	an impelling force or strength
	the electrical discharge that travels along a nerve fiber
	(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
	a sudden desire
	an instinctive motive