About VAN ACKER K
About Alcatel Bell, Antwerpen, BEL
About MOONEN M
About Katholieke Univ. Leuven, Leuven, BEL
About POLLET T
About Alcatel Bell, Antwerpen, BEL
About IEEE Transactions on Communications
About digital communication
About echo suppression
About Communication systems in general
About Other transmission circuit elements
About Signal theory
About DMT
About 活用
About トーン
About エコー
About 除去方法