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・ Bandwidth allocation protocol
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Bandwidth smearing
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Bandwidth smearing : ウィキペディア英語版
Bandwidth smearing

Bandwidth smearing is a chromatic aberration of the reconstructed image of a celestial body observed by an astronomical interferometer that occurs because of the frequency bandwidth. In Fourier terms, the different frequencies of the bandwidth probe different spatial frequencies which results in a reconstruct map containing elongated radial features.
It is overcome by going to higher spectral resolutions or, in radioastronomy, by using different centres of phase for image reconstruction.
==References==

* Bridle, Alan H. and Schwab, Frederic R., ''Wide Field Imaging I: Bandwidth and Time-Average Smearing'' in ''Synthesis imaging in radio astronomy'' (1989), eds. Richard A. Perley, Frederic R. Schwab, Astronomical Society of the Pacific Conference Series, vol. 6, ISBN 0-937707-23-6, p. 247.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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