1. National Chin-Yi University of Technology,Prospective Tech. of E.E.C.S.,Taichung,Taiwan R.O.C.,411
2. National Chin-Yi University of Technology,Department of Electronic Engineering,Taichung,Taiwan R.O.C.,411
3. Institute of Electronics Engineering National Tsing Hua University,Hsinchu,Taiwan R.O.C.,300
4. Chang Gung University,Department of Electronics Engineering,Taoyuan,Taiwan R.O.C.,333