Radar apparatus and signal processing method of radar apparatus
US10353063B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2015 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | May 26, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2013/932
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A radar apparatus includes a targeting unit that irradiates a radar wave and recognizes a detection subject using a reflected wave thereof. The targeting unit extracts, as a target, a peak that is confirmed to have historical connection over measurement cycles equal to or more than a predetermined targeting threshold, from peaks extracted from a power spectrum generated by frequency analysis. A rainy-weather determining unit determines that weather is rainy when a number of erroneous detections is greater than a predetermined rainy-weather determination threshold. The number of erroneous detections is a number of peaks that have been detected in a previous measurement cycle or earlier by the targeting unit and are not confirmed to have historical connection to a peak detected in a current measurement cycle. A parameter updating unit updates the targeting threshold so as to be a larger value as the number of erroneous detections increases when the rainy-weather determining unit determines that the weather is rainy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.