摘要
Using the high-resolution simulation of weak lensing, optimal analyses for window functions in the presence of noise are presented. The results show that a compensated Gaussian filter with a width of 2.5 arc minutes optimizes the cosmological constraint, yielding ΔΩ m/Ω m≈10%.
Using the high-resolution simulation of weak lensing, optimal analyses for window functions in the presence of noise are presented. The results show that a compensated Gaussian filter with a width of 2.5 arc minutes optimizes the cosmological constraint, yielding ΔΩ m/Ω m≈10%.
出处
《北京师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2005年第1期58-59,共2页
Journal of Beijing Normal University(Natural Science)
基金
国家自然科学基金资助项目(10473002)
教育部留学回国人员科研启动基金资助项目
北京师范大学青年基金资助项目(1077002)
北京师范大学本科生研究基金资助项目(127002)
关键词
宇宙学
暗物质
宇宙大尺度结构
弱引力透镜
数值模拟
cosmology
dark matter
large-scale structure in the universe
weak lensing
numerical simulation
