Course : Εισαγωγή στη Ραδιοστρονομία

Definition

The ability to distinguish fine detail on the sky. For an interferometer, it is mainly set by the longest baseline.

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Definition

A device that receives radio waves and converts them into electrical signals.

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Definition

The effective collecting area of a telescope. Larger apertures collect more signal.

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Definition

The fraction of the physical collecting area that effectively contributes to the received signal.

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Definition

The correlation of a signal from an antenna with itself. This is similar to a single-dish total-power measurement.

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