Science China Information SciencesAugust 2012, Volume 55, Issue 8, pp 1721–1721 | Cite asEditor’s noteAuthorsAuthors and affiliationsYiRong WuSpecial IssueFirst Online: 19 July 2012 Download to read the full article textCopyright information© Science China Press and Springer-Verlag Berlin Heidelberg 2012Authors and AffiliationsYiRong Wu11.Science and Technology on Microwave Imaging Laboratory Institute of ElectronicsChinese Academy of Sciences BeijingBeijingChina