[1] Energy and Industrial Systems Center, Mitsubishi Electric Corp., 6-14. Maruo-Machi, Nagasaki 850-8652, Japan
[2] Advanced Technology R and D Center, Mitsubishi Electric Corp., 1-1, Tsukaguchi-Honmachi 8-chome, Amagasaki, Hyogo 661-8661, Japan
[3] Kyushu University, Japan
[4] Mitsubishi Electric Corporation
[5] Energy and Industrial Systems Center, Mitsubishi Electric Corporation
[6] Inst. Electronics, Info. Commun. E.
[7] Inst. Image Info. Television E.
[8] Osaka University, Japan
[9] Advanced Technology R and D Center, Mitsubishi Electric Corporation
[10] SID