INTERFEROMETRIC IMAGING AND FREQUENCY ESTIMATION OF SURFACE VIBRATION PATTERNS

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$500,000.00
Award Year:
1990
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
10423
Agency Tracking Number:
10423
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Po Box 1869, Ann Arbor, MI, 48106
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Keith A More
() -
Business Contact:
() -
Research Institute:
n/a
Abstract
THE PROPOSED RESEARCH WILL INVESTIGATE THE FEASIBILITY FOR DEVELOPING AN INSTRUMENT FOR MEASURING SURFACE VIBRATION PATTERNS USING AN INNOVATIVE COMBINATION OF LASER ILLUMINATION AND INTERFEROMETRIC IMAGING COUPLED TO A NOVEL DIGITAL SIGNAL PROCESSOR. THE RESEARCH EFFORT WILL INVESTIGATE THE FEASIBILITY OF OPTICAL HETERODYNE DETECTION IN TERMS OF BEAM ALIGNMENT, STABILITY, AND NOISE TO DETERMINE WHETHER A HETERODYNE RECEIVER CAN BE BUILT. IN ADDITION, A SIGNIFICANT PART OF THE EFFORT WILL BE DEVOTED TO DESIGNING A DIGITAL PROCESSOR WITH SUFFICIENT SPEED TO SAMPLE THE HIGH FREQUENCY DATA AND TO MOSAIC PIXELS OVER LARGER SUFFACE AREAS. SUCCESSFUL COMPLETION OF THE PROPOSED RESEARCH WILL RESULT IN THE PRELIMINARY DESIGN AND PERFORMANCE PREDICTION FOR A NEW INSTRUMENT TO BE USED FOR THE ACCURATE MEASUREMENT OF VIBRATION PATTERNS OF STRUCTURAL SURFACES FOR AERONAUTICAL AND AEROSPACE VEHICLES.

* information listed above is at the time of submission.

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