3MCFARLANE D,SHEFFI Y.The impact of automatic identification on supply chain operations[J].The International Journal of Logistics Management,2003,14(1):1-18.
6Montiel C M,Fan Lu and Chang Jai.A Novel Active Antenna with Self-Mixing and Wide-band Varactor-Tuning Capabilities for Communication and Vehicle Identification[J]. IEEE Trans on Microwave Theory and Techniques,1996,12:2421-2430.
7Polenz C M and Tatsuo Itoh.A Microwave Noncontact Identification Transponder using Subharmonic Interrogation[J]. IEEE Trans on Microwave Theory and Tech,1995, 43(7):1673-1679 .
