About SAKUSABE TAKASHI
About TAKAHASHI TAKEHIRO
About SHIBUYA NOBORU
About エレクトロニクス実装学会誌
About printed board
About OTDR
About Printed circuits
About Measuring methods and instruments of R,L,C,Q, and dielectric constant
About 正弦波
About TDR法
About 特性インピーダンス
About 測定法
About 開発