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Earth Sciences and Geography x Computing x clear all

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edge

Overview page. Subjects: Computing — Earth Sciences and Geography.

1 A connection between two vertices of a graph.

2 See edge detector.

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high-pass filter

Overview page. Subjects: Earth Sciences and Geography — Computing.

A filtering device that permits only those components in the frequency domain whose frequencies lie above some critical value to pass through with little attenuation, all other components...

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incidence matrix

Overview page. Subjects: Computing — Earth Sciences and Geography.

An array of a species' incidence in the habitat patches of a system (Maron et al. (2004) Oikos 106, 3). See Patterson and Atmar (2000) Bonn Zool. Mon.

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isochronous

Overview page. Subjects: Computing — Earth Sciences and Geography.

Applied to events or lithological units that either (a) occupy the same time interval (i.e. are of the same duration); or (b) occur simultaneously or are of the same age. In the latter...

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multiplexing

Overview page. Subjects: Computing — Earth Sciences and Geography.

The transmission of a number of signals simultaneously over a single channel. This is implemented by splitting up the signals into discrete chunks and sending each chunk over a network. The...

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time domain

Overview page. Subjects: Computing — Earth Sciences and Geography.

A term used to refer to a situation in which the amplitude of a signal varies with time. A signal would be viewed in the time domain by using an oscilloscope. See also space domain.

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vertex

Overview page. Subjects: Computing — Earth Sciences and Geography.

An element of the set of points that underlies the concept of a graph. Edges are obtained by joining together pairs of vertices.

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