BLINK
发表于 2025-3-26 21:20:31
The Short Spacings Problem in Correlation Interferometers and a Procedure for Solving It analysed. A method for correcting those effects, based on the obtention of the missing components from single dish observations, is described. The procedure has been developed for the WSRT observations of extended objects and it has been applied on several cases. Some results are shown for M31 and
旧石器
发表于 2025-3-27 01:31:08
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易于出错
发表于 2025-3-27 07:33:53
Fundamental Aspects of Aperture Synthesis with Limited or No Phase Informatione interference fringes with uncertainties of only 1 percent are now attainable. Unfortunately the atmosphere intervenes between the measured quantities and the mutual coherence function itself and the phase uncertainties introduced by the ionospheric and tropospheric irregularities are often the fac
notion
发表于 2025-3-27 09:38:46
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PAN
发表于 2025-3-27 14:21:22
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hypertension
发表于 2025-3-27 21:34:41
Reduction of Phase Noise in Interferometry with State-Space Analysisive bias due to the common sky background seen by all elements of the interferometer, and (b) the negative bias due to phase noise present in the system. The first kind of bias can be easily removed by subtracting the correlation between the signals at two interferometer sites when the source is not
Foam-Cells
发表于 2025-3-27 21:56:10
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Gourmet
发表于 2025-3-28 02:55:32
Analogue Processing Methods for Synthesis Observations is closely related to conventional imaging with a lens (Cole, 1977a), which Abbé interpreted as two successive transformations at the surfaces of the lens. With the simple lens the image is the light intensity in the output plane (Figure 1(a)). In aperture synthesis (Figure 1(b)) the image is the t
Arthropathy
发表于 2025-3-28 08:37:44
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asthma
发表于 2025-3-28 12:46:18
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