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Таксономическая и дескриптивная идентификация моделей геоида

В.Б. Непоклонов, О.В. Половнев, М.В. Абакушина

Страницы: 5-14

Аннотация. Рассмотрен анализ и возможные пути решения «нетрадиционных» задач идентификации моделей геоида. Показано, что в процессе таксономической идентификации могут решаться две основные задачи - декомпозиции и позиционирования. В процессе дескриптивной идентификации к таким задачам
относятся формирование метаданных и идентификационное кодирование. В итоге процесс идентификации моделей геоида в полном объеме может содержать четыре вида идентификации - таксономическую, структурную, параметрическую и дескриптивную.

Ключевые слова: геоид, гравитационное поле Земли, дескриптивная идентификация, таксономическая идентификация, descriptive identification, earth's gravitational field, geoid, taxonomic identification

Тaxonomic and descriptive identification of geoid models

V.B. Nepoklonov, O.V. Polovnev, M.V. Abakushina

Pages: 5-14

Summary. The analysis and possible ways of solving «non-traditional» problems of identification of geoid models, including tasks of taxonomic and descriptive identification, are presented. Taxonomic identification provides a refinement of the created geoid model appearance in regard to a certain classification criteria. Descriptive identification provides a search for the desired model in information sources, an assessment of its usability for solving a certain category of computational problems, and the interface of the model with a range of computer programs that support the solution of these problems. It is shown that two main problems can be solved in the process of taxonomic identification. They are decomposition and positioning. Taxonomic system is an outcome of the decomposition process. Positioning resulted in determination of the position of the model being created in this system. If necessary, elements of the theory of fuzzy sets could be used to solve these problems. The main tasks of descriptive identification are the tasks to form metadata and identification coding. The possibilities and advantages of direct inclusion of metadata in the model providing (to some extent) its self-identification are considered. It is noted that the process of geoid models identification in a full volume can include four types of identification, which are the taxonomic, the structural, the parametric and the descriptive.

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