Multitone radar with range determination and method of use
US10203405B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2016 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Dec 2, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/887
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Method for determining distance to target using a multitone nonlinear radar system comprising providing a transmitter that transmits a signal comprising at least two predetermined frequency components; receiving transmitted signal upon reflection from target; determining the phase relationships of the frequency components when signal strikes target; determining distance the signal has travelled to target based upon the phase relationship of the frequency signal components at the time of reflection from target; computing the distance to target. A system comprising a transmitter subsystem that transmits radar signal comprising at least two frequency components; a receiver subsystem configured to receive a return signal comprising intermodulation and harmonic products; at least one processor configured to extract frequency samples from the return signal within a frequency range, apply a window function to the extracted frequency samples and perform an inverse fast Fourier transform on the resulting function to create a range profile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.