How to pronounce “pulsing”(noun) in English

up, pulsing, throbbing, pressure, whatever it might be.

Picking up, pulsing, throbbing, pressure.

with this period-luminosity relationship, with this pulsing.

See if you can make the shift from the more conceptual level, like of fingers, to the world of direct sensation, picking up pulsing, throbbing, pressure, whatever it might be.