International Research Fellow Awards: Discrete Wavelet Transform Analysis of Large Scale Structure

国际研究员奖励计划使美国科学家和工程师能够在国外进行三到二十四个月的研究。该计划的奖励为联合研究提供了机会，并利用独特或互补的设施、专业知识和国外的实验条件。该奖项将支持Jesus Pando博士与Alain Blanchard博士在法国斯特拉斯堡大学进行为期12个月的博士后研究访问。他们将使用小波变换技术研究宇宙结构的形成。测量这些结构将有助于确定最初的种子和导致宇宙中大规模结构形成的确切机制。主要的焦点将是研究宇宙微波背景和吸收光谱的相关性。他们将分析这两个数据集，通过使用矩谱来确定这些分布中是否存在非高斯（异常）行为，并通过使用尺度相关函数来确定是否存在分层结构。小波变换作为一种工具处于现代科学分析方法的前沿。它不仅可以用于宇宙学研究，还可以用于生物系统的研究，用于实验粒子物理中的模式识别或任何存在空间尺度相关性的问题。潘多博士来到斯特拉斯堡，就是把他置于小波研究的中心。* * *

9813041 Pando The International Research Fellow Awards Program enables U.S. scientists and engineers to conduct three to twenty- four months of research abroad. The program's awards provide opportunities for joint research, and the use of unique or complementary facilities, expertise and experimental conditions abroad. This award will support a twelve-month postdoctoral research visit by Dr. Jesus Pando to work with Dr. Alain Blanchard at the University of Strasbourg, Observatoire Astronomique de Strasbourg in France. They will study the cosmological structure formation using a wavelet transform technique. Measuring these structures will help to determine the initial seeds and exact mechanisms that led to large-scale structure formation in the universe. The primary focus will be the study of correlations in the Cosmic Microwave Background and in the absorption spectra. They will analyze both data sets to determine if there is Non-Gaussian (abnormal) behavior in these distributions by using the moment spectra and to determine if there is hierarchical structure by using the scale-scale correlation functions. Wavelet transformation as a tool is at the forefront of modern scientific analytical methods. It can be used not just for cosmology studies, but also those of biological systems, for pattern recognition in experimental particle physics or for any problem where space-scale correlations exist. For Dr. Pando to be at Strasbourg is to place him in the center of wavelet research. ***