Pulse compression apparatus for ultrasonic image processing
US4788981A · kind A · utility
9Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 1987 |
| Grant date | Dec 6, 1988 |
| Priority date | — |
| Expiry date | Oct 9, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/52046
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pulse compression apparatus comprises a quadrature detector for converting an echo signal obtained by an ultrasonic transducer into a complex signal, a reference wave oscillator for producing a reference wave signal, and a correlation circuit for deriving a correlation between the complex signal and the reference wave signal to compress the echo signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.