impulse function
nounUK /ˈɪmpʌls ˈfʌŋkʃən/
US /ˈɪmpʌls ˈfʌŋkʃən/
A special math rule that acts like a sudden, very short tap at one exact moment.
The engineer used an impulse function to model the quick hammer strike on the sensor.
OTHER MEANINGS
2. In physics and engineering, an idealized signal that is zero everywhere except at a single instant, where it is infinitely large.
An ideal impulse function has unit area even though it is concentrated at one point.
3. A generalized function used in mathematics to represent a point mass or point charge.
The point charge was described with an impulse function in the field equation.
4. A mathematical tool for finding a system's response to a brief kick or spike.
The impulse response of the circuit was computed from the impulse function input.