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

Z Society

The Z Society is a secret society that was founded at the University of Virginia in 1892.Bruce IV: 100.

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

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

Z-drag

TECHNOLOGY IN WATER RESCUE

Z-Drag; Z Drag; Z-rig; Z-pulley

A Z-Drag or Z-Rig is an arrangement of lines and pulleys, effectively forming a block and tackle, that is commonly used in rescue situations. The basic arrangement results in pulling the hauling end 3 times the distance the load is moved, providing a theoretical mechanical advantage of three to one.

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