Radar with high angular accuracy, notably for the obstacle sensing and avoidance function
US8482455B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2010 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Sep 4, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/003
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a radar device with high angular accuracy. The solution provided by the invention simultaneously combines an interferometer that is accurate but, for example, ambiguous when receiving; and a space coloring mode when transmitting. The coloring of the space consists notably in transmitting on N transmitting antennas N orthogonal signals. These signals are then separated by filtering on reception using the orthogonality properties of the transmission signals. It is, for example, possible, with two contiguous antennas in transmission associated with two orthogonal codes to produce a single-pulse type system when transmitting. The invention applies notably to the obstacle sensing and avoidance function, also called “Sense & Avoid”.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.