Maximum entropy methods in electromagnetic/geophysical/ultrasonic imaging
Conference
·
OSTI ID:5482100
Maximum Entropy (ME) methods of resolving underdetermined electromagnetic images are reviewed. A new non-Burg method of resolving complex amplitudes of coherent radiators in wave-number space (direction) is described. Several ME methods in geophysics are surveyed, based on Burg's method for spatial array data processing and a Boltzmann method for parameter distributions in the earth. A Boltzmann-ME method is described for resolving anomalies in materials ultrasonically, where the data is governed by a Fredholm integral equation of the second kind. Some issues or uniqueness, confidence, and noise are briefly assessed.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 5482100
- Report Number(s):
- UCRL-89635; CONF-8309184-1; ON: DE84002793
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420500* -- Engineering-- Materials Testing
58 GEOSCIENCES
580200 -- Geophysics-- (-1989)
ACOUSTIC TESTING
ELECTROMAGNETIC TESTING
ENTROPY
EQUATIONS
FREDHOLM EQUATION
GEOPHYSICAL SURVEYS
IMAGE PROCESSING
INTEGRAL EQUATIONS
MATERIALS TESTING
NONDESTRUCTIVE TESTING
PHYSICAL PROPERTIES
PROCESSING
RESOLUTION
SURVEYS
TESTING
THERMODYNAMIC PROPERTIES
ULTRASONIC TESTING
420500* -- Engineering-- Materials Testing
58 GEOSCIENCES
580200 -- Geophysics-- (-1989)
ACOUSTIC TESTING
ELECTROMAGNETIC TESTING
ENTROPY
EQUATIONS
FREDHOLM EQUATION
GEOPHYSICAL SURVEYS
IMAGE PROCESSING
INTEGRAL EQUATIONS
MATERIALS TESTING
NONDESTRUCTIVE TESTING
PHYSICAL PROPERTIES
PROCESSING
RESOLUTION
SURVEYS
TESTING
THERMODYNAMIC PROPERTIES
ULTRASONIC TESTING