FMCW radar with interference signal rejection
US11209523B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2019 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Mar 12, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2013/93271
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for a radar apparatus is described. According to one example implementation, the method involves receiving a multiplicity of chirp echoes from transmitted radar signals and generating a digital signal based on the multiplicity of chirp echoes. In this case, each chirp echo has an associated subsequence of the digital signal. The method further involves performing a filtering in the time domain for one or more subsequences. The filtering in this case involves the decomposition of the subsequence into a plurality of components (referred to as principal components), the selection of a subset of components from the plurality of components and the reconstruction of a modified subsequence based on the selected subset of the component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.