phase closure
[/feɪz ˈkloʊʒər/]
nounpl: phase closures
fechamento de fase
1. In astronomy and interferometry, a technique used to correct for phase errors in observations by combining data from multiple telescopes or antenna elements to improve image quality and reduce atmospheric distortion effects.
Phase closure analysis allows astronomers to recover images with higher resolution despite atmospheric turbulence.
A análise de fechamento de fase permite que astrônomos recuperem imagens com resolução mais alta apesar da turbulência atmosférica.
2. In signal processing and optics, the process of constraining phase measurements across multiple baselines to satisfy consistency conditions, eliminating certain systematic errors.
The phase closure method is essential in radio interferometry for removing instrumental phase errors.
O método de fechamento de fase é essencial em interferometria de rádio para remover erros de fase instrumental.
Phase closure is a highly specialized technical term primarily used in the fields of astronomy, radio interferometry, and signal processing. It is predominantly found in academic publications, technical documentation, and professional scientific discourse rather than in general or colloquial usage. The term is used identically in English-speaking and Portuguese-speaking scientific communities, reflecting the international nature of scientific terminology.
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