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Dirac delta function
| Глоссарий по геофизике |
- Импульс дирака; дельта
- In robotics and control theory, a dirac delta function is used to represent an infinitely large amount of energy (or torque) delivered by an actuator in an infinitesimally short time. the function is named for the physicist paul dirac. see also: robotics. directed acyclic graph (dag) a graph (or network) is a directed acyclic graph if there are no "loops" or cycles (a->b->...->a) and each arc or link has a single direction associated with it (a->b or b->a, but not a<->b). these are often used in the representation of knowledge networks. figure d.3 on page 84 depicts a dag. it differs from the one shown in figure d.4. the direction of the ab arc breaks the cycles in the directed graph.
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Импульс дирака; дельта, русский
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Associated, английский
- Соответствующий; связанный; присоединенный
- Experiencing through your own senses (seeing through your own eyes, hearing with your own ears, feeling with your own feelings.)
Representation, английский
- N репрезента- ция, представление knowledge ~ представление знаний internal ~ псхл. внутреннее представление mental ~ ментальная репрезентация
- A collateral statement of such facts not inserted on the policy of insurance, as may give the underwriters a just estimate of the risk of the adventure. (see warranty.)
- A representation is a set of conventions about how to describe a class of things. representation will generally consist of four parts: 1. a lexicon that determines which symbols are in it vocabulary; 2. a structural part that describes the constraints on the symbols; 3. a collection of methods or procedures that allow the symbols to be manipulated and queried; and 4. a semantics that specifies the meaning of the symbols and their relationships. re-ranking in handwriting and text recognition systems, the task of re-ranking allows the candidate interpretations developed by the recognizer to be ranked or scored according to the language model. see also: word n-gram re-ranking, word-tag model.
- If something stands in place of or is chosen to substitute for something else, the former is considered a representation of the latter. e.g., representation of constituencies in government, linguistic representation of an event (->symbol). the 66 belief that all knowledge is a representation of the properties of the real world is as unacceptable as the insistence that all descriptions or messages are about something else.
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Импульс дирака; дельта, русский
Дифракционная картина, русский
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