About IKEDA Shohei
About Keio Univ., Yokohama-shi, JPN
About TSUJI Hiroyuki
About National Inst. Information and Communications Technol., Yokosuka-shi, JPN
About OHTSUKI Tomoaki
About Keio Univ., Yokohama-shi, JPN
About IEICE Transactions on Communications (Institute of Electronics, Information and Communication Engineers)
About security
About security system
About office room
About eigenvector
About space
About detection
About event
About array antenna
About radio wave
About direction
About signal characteristic
About position
About alarm
About system
About home security
About arrival direction
About signal intensity
About indoor
About error alarm
About change detection
About intrusion detection system
About subspace
About event detection
About Microwave and millimeterwave communication
About Electric and disaster preventive equipment,elevators,etc.
About オフィス
About セキュリティ
About 固有
About 部分空間
About 屋内
About イベント検出