Zodiac Data Systems

Christophe Melle

Pascal Cousin

Alain Karas

Fabien Peleau

David Chaimbault

The invention concerns an acquisition aid antenna device (), intended to be secured to a main antenna device, the acquisition aid antenna device () comprising: &#x2014;a multiband acquisition aid antenna feed (), suitable for receiving radiation emitted by a target, and&#x2014;a lens () arranged in the main reception lobe of the acquisition aid antenna feed () for concentrating the radiation received from the target towards the acquisition aid antenna feed (). This device makes it possible to detect targets that are outside the useful beam of the main antenna device, and to use an acquisition aid antenna feed identical to the feed of the main antenna device.

Acquisition aid antenna device and associated antenna system for monitoring a moving target

The invention relates to a source (S) for a parabolic antenna, comprising: &#x2022;&#x2014;a sigma radiating assembly (S,C,L) suitable for generating the sigma channel including a sigma radiating element () positioned on a main transmission/reception axis (A) of the source (S), and a sigma supply circuit () to supply the sigma radiating element (), and &#x2022;&#x2014;a delta radiating assembly (S,C,L) suitable for generating the delta channel including eight delta radiating elements (S,C,L), arranged around the main transmission/reception axis (S) of the source (S), and a delta supply circuit (S,C,L).

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Gujan-Mestras, France

Christophe Melle