Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno

Rockwell-Collins France

Reindert Grooters

Andrea Neto

Eric Itcia

Giampiero Gerini

Sébastien Mazuel

Arnoldus Petrus Maria Maas

Didier Marchetti

Giovanni Toso

Daniele Cavallo

Pascal Olive

An array antenna has rectangular conductor sections, located successively side by side in a first plane, mutually separated by slots of constant width. A backing reflector is transverse to the first plane. Feed structures extend through the backing reflector, the feed structures comprising pairs of parallel feed conductors, each pair comprising conductors coupled to the rectangular conductor sections on opposite sides of a respective one of the slots.

Array antenna feed structures

Systems and methods for protecting an airborne platform against collisions are provided. One system includes FMCW radar sensors including transmitting antennae, means for receiving signals from echoes and for processing and digitizing same, and means for sending a central unit data representing said digital signals via a dedicated point to point link. The central unit includes means for processing said data to detect obstacles, means for calculating parameters for each obstacle including its radial velocity, distance range and azimuth, and means to transmit an avionic system of said platform data representing said detected obstacles and parameters. The system further includes means for guaranteeing that said emitted signals are shifted in time to create a shift in frequency guaranteeing that the radar sensors operate in the whole frequency band without perturbing each other.

System for protecting an airborne platform against collisions

Growing community of inventors

Amsterdam, Netherlands

Reindert Grooters