Process for determining the relative velocity between two moving objects
US6434506B1 · kind B1 · utility
8Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1999 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Jun 11, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/583
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a process for determining the relative velocity in the radial direction between two moving objects, using linear frequency modulation with continuous frequency sweeps. A problem in such processes lies in being clearly able. to determine the phase difference. According to the invention, a clear determination is realized by varying the period. length for successive frequency sweeps and using the difference in period length and corresponding phase change in determining the volocity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.