Abstract: A system for determining a propagation direction of a received electromagnetic wave includes a linear phased array of receiving antenna elements and a processing unit for processing signals received by the receiving antenna elements. The processor is arranged for generating, from the received signals, receiving data corresponding to a set of respective angular synthetic receiving aperture beams.

Abstract: An electromagnetic body scanning system may include a measuring system for measuring data of radio waves scattered by a body in two distinct subbands; and a computer system. The computer system is arranged for constructing a first image of the body using the measured data, generating synthetic scattered data of the body in a frequency range outside the subbands, and constructing a second image of the body using both the measured data and the synthetic data. The step of constructing a first image includes matching an image to a human model.

Abstract: This method for detecting ground obstacles from an airborne platform comprises: a step of illuminating the whole field of view of interest with an electromagnetic wave in the range of 0.1 to 100 GHz; a step of receiving the echoes with multiple antenna elements from the whole field of interest and of transforming said echoes into a digital signal per antenna element; a step of combining said digital signals simultaneously in order to obtain simultaneously multiple beams; a step of Range and Velocity filtering each beam in parallel; a step of applying on each filtered beam a detection process using a threshold on amplitude to detect potential ground obstacles; and a step of discriminating said ground obstacles from said potential ground obstacles due to their specific signature in terms of both relative velocity and distance using velocity of the airborne platform.

Abstract: Radar system for providing an aircraft with a facility for in use at least detecting another aircraft in at least one monitorable zone within a region surrounding of that aircraft, wherein the system comprises for each monitorable zone at least one subsystem comprising one transmitter for sending an electro-magnetic probe signal and at least one receiver for receiving a reflection of that probe signal, wherein the transmitter is arranged to send the probe signal in a direction that is static with respect to that aircraft.

Abstract: A system for determining a propagation direction of a received electromagnetic wave includes a linear phased array of receiving antenna elements and a processing unit for processing signals received by the receiving antenna elements. The processor is arranged for generating, from the received signals, receiving data corresponding to a set of respective angular synthetic receiving aperture beams.

Abstract: The invention relates to an electromagnetic body scanning system that comprises a measuring system for measuring data of radio waves scattered by a body in two distinct subbands; and a computer system. The computer system is arranged for constructing a first image of the body using the measured data, generating synthetic scattered data of the body in a frequency range outside the subbands, and constructing a second image of the body using both the measured data and the synthetic data. The step of constructing a first image comprises matching an image to a human model.

Abstract: This method for detecting ground obstacles from an airborne platform comprises: a step of illuminating the whole field of view of interest with an electromagnetic wave in the range of 0.1 to 100 GHz; a step of receiving the echoes with multiple antenna elements from the whole field of interest and of transforming said echoes into a digital signal per antenna element; a step of combining said digital signals simultaneously in order to obtain simultaneously multiple beams; a step of Range and Velocity filtering each beam in parallel; a step of applying on each filtered beam a detection process using a threshold on amplitude to detect potential ground obstacles; and a step of discriminating said ground obstacles from said potential ground obstacles due to their specific signature in terms of both relative velocity and distance using velocity of the airborne platform.

Abstract: A detection system (1) having an optical sensor (3), a radar device (2) and a signal processor (4) communicatively connected with the optical sensor and the radar device. The signal processor comprises: a first detector (41, 410-413) for detecting a first object on the basis of a first signal coming from the optical sensor and determining at least one first property of the first object; a second detector (42, 420-421) for detecting a second object on the basis of a second signal coming from the radar device and determining at least one second property of that second object, and a signaling unit (43) for producing a signal if the at least one first property and the at least one second property satisfy a predetermined condition.

Abstract: Radar system for providing an aircraft with a facility for in use at least detecting another aircraft in at least one monitorable zone within a region surrounding of that aircraft, wherein the system comprises for each monitorable zone at least one subsystem comprising one transmitter for sending an electro-magnetic probe signal and at least one receiver for receiving a reflection of that probe signal, wherein the transmitter is arranged to send the probe signal in a direction that is static with respect to that aircraft.