QSD
QSD is an acronym that can refer to several concepts, organizations, or terms across different fields. Because there is no universal meaning, the intended interpretation depends on the context in which it is used. This article summarizes two widely cited scientific uses and notes that other industry-specific meanings exist.
Quasi-stationary distribution. In the study of Markov processes with absorbing states, a quasi-stationary distribution (QSD) describes
Quantum state diffusion. In quantum mechanics and quantum optics, quantum state diffusion (QSD) is a stochastic
Other uses. In industry and quality management, QSD may stand for terms such as Quality System Description