Qu'est-ce (qui) est Z-Stoff - définition

Z-Stoff

ROCKET PROPELLANT CATALYST MIXTURE

Z-Stoff (, "substance Z") was a name for calcium permanganate or sodium permanganate mixed in water. It was normally used as a catalyst for T-Stoff (high-test peroxide) in military rocket programs by Nazi Germany during World War II.

https://en.wikipedia.org/wiki/Z-Stoff

Stoff

FAMILY NAME

Stoff is an English surname, originating in Early Middle Ages England. Notable people with the surname include:

https://en.wikipedia.org/wiki/Stoff

Z-transform

MATHEMATICAL TRANSFORM WHICH CONVERTS SIGNALS FROM THE TIME DOMAIN TO THE FREQUENCY DOMAIN

Z transform; Laurent transform; Bilateral Z-transform; Bilateral z-transform; Z Transform; Z-domain; Z-transformation

In mathematics and signal processing, the Z-transform converts a discrete-time signal, which is a sequence of real or complex numbers, into a complex frequency-domain (z-domain or z-plane) representation.

https://en.wikipedia.org/wiki/Z-transform