Doppler imaging device
US5357964A · kind A · utility
47Cited by
12References
29Claims
0Family size
Inventors
Key dates
| Filing date | Feb 8, 1993 |
| Grant date | Oct 25, 1994 |
| Priority date | — |
| Expiry date | Feb 8, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S15/8979
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device and method for producing an image of a fluid moving through a medium. An acoustic wave insonifies the medium to produce Doppler shifted scattering from randomly located scatterers in the moving fluid. At least eight channels of acoustic detectors detect signals reflected from the medium and the amplitudes of the scattered signal is determined at each channel for at least one Doppler shifted frequency. Time averaged channel-to-channel amplitude correlations are produced using the Doppler shifted amplitude data from which the image of the moving fluid is calculated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.