[1] China Jiliang Univ, Coll Informat Engn, Key Lab Electromagnet Wave & Metrol Zhejiang Prov, Hangzhou 310018, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China
[3] Zhejiang Univ, Coll Integrated Circuits, Hangzhou 310058, Peoples R China