Method and apparatus for improving sidelobe performance of spars

Measuring and testing – Vibration – By mechanical waves

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

367135, G01N 2900, H04B 106

Patent

active

060148977

ABSTRACT:
A method and an apparatus for enhancing the side-lobe performance of a sparse ultrasonic transducer array using harmonic imaging to reduce all beam sidelobe (including grating lobe) levels. Harmonic imaging consists of using the active transducer elements to transmit an ultrasound signal (wideband or narrowband) of center frequency f.sub.0 and receive at one or more harmonic frequencies nf.sub.0, where n.gtoreq.2.

REFERENCES:
patent: 4633883 (1987-01-01), Matsui
patent: 5027658 (1991-07-01), Anderson
patent: 5050226 (1991-09-01), Collet-Billon
patent: 5090412 (1992-02-01), Shimazaki
patent: 5186175 (1993-02-01), Hirama et al.
patent: 5235857 (1993-08-01), Anderson
patent: 5555534 (1996-09-01), Maslak et al.
patent: 5581517 (1996-12-01), Gee et al.
patent: 5677491 (1997-10-01), Ishrak et al.
Turnbull and Foster, "Beam steering with pulsed two-dimensional transducer arrays," IEEE Trans. Ultrasonics, Ferroelectrics, and Frequency Control, vol. 18, pp. 320-333 (1991).
Smith et al., "Two-dimensional arrays for medical ultrasound," Ultrasonic Imaging, vol. 14, pp. 213-233 1992).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for improving sidelobe performance of spars does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for improving sidelobe performance of spars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for improving sidelobe performance of spars will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-557359

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.