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[期刊论文] 作者：HAO Zhi-yong JIN Yan YANG Chen,
来源：浙江大学学报：A卷英文版 年份：2007
Independent component analysis was applied to analyze the acoustic signals from diesel engine. First the basic prin-ciple of independent component analysis (ICA...
[期刊论文] 作者：Fang Yang,Chen Hu,Yan-Mei Chen,
来源：中国天文和天体物理学报：英文版 年份：2007
We compiled a sample of 98 radio-quiet active galactic nuclei observed by ASCA, Chandra, XMM-Newton, INTEGRAL and Swift with the aim of testing the formation of...
[期刊论文] 作者：Yu Bai,Yang Chen,Xiang-Tao He,,
来源：中国天文和天体物理学报：英文版 年份：2007
This is the third paper in a series connected with our Multiwavelength Quasar Survey. The survey is aimed to provide a quasar sample more complete than any prev...
[期刊论文] 作者：Yang Chen,Yu Bai,Xiang-Tao He,,
来源：中国天文和天体物理学报：英文版 年份：2007
We aim to providea quasar sample that is more complete than any previous surveys by using a combined selection technique to reduce the selection effects. Here w...
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