Polar diagrams

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Term polar diagrams
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Mandatory for


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Definition

Horizontal or vertical radiation patterns for a radar antenna whereby the relative gain is plotted as a function of the relative azimuth (horizontal polar diagram) or as a function of the relative elevation angle (vertical polar diagram). Polar diagrams for LVA antennas are measured separately on uplink and downlink with respect to the main beam axis.

Definition Source

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

Note