Interferometric array assessment: Investigating UV coverage and imaging
Image quality assessment technology is introduced to assess interferometric array. Including existing assessments of Interferometric array, four categories of array assessment methods are concluded: assessing UV coverage directly, assessing UV coverage related to observing objects, assessing imaging quality related to observing objects and assessing imaging quality directly. A specific method in each category is proposed. All methods are used to design or optimize interferometric arrays, especially the early-stage study of Solar Low Frequency Array.
The Preliminary Study on UV Coverage Optimizing Criterion
UV coverage is one of the key parts of optical aperture synthesis telescope technology.Since UV coverage is decided by apertures array and has an impact on the recovering of images,an optimizing process must be considered.The optimizing criterion needs to be clearly defined.Through an analysis and comparison of the effects of image recovering by using different UV coverage,some simple conclusions have been drawn and discussed.
Total Lobbying : What Lobbyists Want (and How They Try to Get It)
1. Studying lobbyists and lobbying 2. Lobbying and lobbyists in the United States: a primer 3. Public policy lobbying, part 1 4. Public policy lobbying, part 2 5. Land-use lobbying 6. Procurement lobbying 7. Summary and conclusions.