Sum pattern

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Term sum pattern
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Mandatory for


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Related entries

difference pattern

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Narrower term


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Definition

Normal radiation pattern for the main directional beam of an antenna. Contrasts with the “difference pattern”, where parts of the radiating elements of the antenna are switched in anti-phase to produce signals proportional to the amount by which the source is off the boresight of the sum pattern.

Definition Source

ICAO (2004) doc. 9684 Manual of the Secondary Surveillance Radar (SSR) Systems

Note