Editing DFS (section)

===Other uses in science and technology===
* [[Decoherence-free subspaces]], subspace of a system's Hilbert space where the system is decoupled from the environment
<!--* Design for service, a type of [[Design for X]], an engineering methodology-->
* [[Demand Flexibility Service]], a demand response system for electricity supplies in the United Kingdom 
* [[DFS Kopernikus]] (''Deutscher Fernmeldesatellit Kopernikus''), a series of satellites
* [[Digital Frequency Synthesizer]], generation of different frequency from another in phase
* [[Disease-free survival]], a measure of the efficacy of medical treatment
* [[Double Fourier sphere method]] in mathematics and geosciences