Physics – Optics
Scientific paper
Jan 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980spie..231.....r&link_type=abstract
Conference sponsored by the Institute of Electrical and Electronics Engineers and Society of Photo-Optical Instrumentation Engin
Physics
Optics
Conferences, Image Processing, Image Reconstruction, Optical Data Processing, Radio Astronomy, Radio Telescopes, Acousto-Optics, Computer Techniques, Fourier Transformation, Iterative Solution, Microwave Holography, Radio Interferometers, Tomography, Very Large Array (Vla), Wave Front Reconstruction, X Ray Imagery
Scientific paper
Topics related to radio astronomy are discussed, taking into account Fourier reconstruction techniques in radio astronomy, methods of using closure phases in radio aperture synthesis, adaptive calibration of radio interferometer data, processing of three-dimensional data, acousto-optic spectrometer for radio astronomy, and an optical processor for the very large array radiotelescope. Other subjects reported are related to iterative methods for reconstructing images from incomplete data, holography and inverse scattering, and tomography. Attention is given to noise properties of images reconstructed from Fourier modulus, a numerical algorithm for 2-D wavefront reconstruction from intensity measurements in a single plane, computer simulation comparisons of speckle image reconstruction techniques, iterative coherent processor for bandlimited signal extrapolation, iterative reconstruction of space-limited images, image reconstruction from projections using circular harmonic expansion, polar sampling theorems and their application to computer-aided tomography, and Fourier multiaperture emission tomography.
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