Digital sidelobe canceller with real weights
US4398197A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 11, 1981 |
| Grant date | Aug 9, 1983 |
| Priority date | — |
| Expiry date | Sep 11, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/2813
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention is digital open-loop sidelobe canceller for decorreing signals by removing correlated components. The invention has inputs for receiving n pairs of digital sample values representing the digitized in-phase components and quadrature-phase components of the output of the main radar receiver and also of at least one auxiliary radar receiver. These data samples are stored in memory for later processing and are also furnished to computation networks which calculate weighting coefficients which are processed as real numbers. These real number weighting coefficients are utilized to subtract calculated real number values from the sample values representing the digitized in-phase and quadrature-phase components of the output of the main radar receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.