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Application of Artificial Neural Networks to Power Systems
Glossary
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D
- DARPA
- Defense Advanced Research Project Agency
- data processing
- The input, verification, organisation, storage, retrieval, transformation, and extraction of information from data. The term is normally associated with commercial applications such as stock control or payroll.
- DDE
- Dynamic Data Exchange
- decision support
- Software used to aid management decision making, typically relying on a decision support database.
- decision support database
- A database from which data is extracted and analysed statistically (but not modified) in order to inform business or other decisions. This is in contrast to an operational database which is being continuously updated.
- deterministic
- Describes a system whose time evolution can be predicted exactly. Contrast probabilistic.
- Describes an algorithm in which the correct next step depends only on the current state.
- discrete Fourier transform
- (DFT) A Fourier transform, specialized to the case where the abscissas are integers.
The DFT is central to many kinds of signal processing, including the analysis and compression of video and sound information.
A common implementation of the DFT is the Fast Fourier Transform (FFT).
- distributed memory
- The kind of memory in a parallel processor where each processor has fast access to its own local memory and where to access another processor's memory it must send a message via the inter-processor network.
- DLL
- Dynamically linked library
- DNA computing
- The use of DNA molecules to encode computational problems. Standard operations of molecular biology can then be used to solve some NP-hard search problems in parallel using a very large number of molecules. The exponential scaling of NP-hard problems still remains, so this method will require a huge amount of DNA to solve large problems.
- Dynamically Linked Library
- (DLL) A library which is linked to application programs when they are loaded or run rather than as the final phase of compilation. This means that the same block of library code can be shared between several tasks rather than each task containing copies of the routines it uses.
- Dynamic Data Exchange
- (DDE, originally Dynamic Data Linking, DDL) A Microsoft Windows 3 hotlink protocol that allows application programs to communicate using a client-server model.
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