front-to-back ratioとは意味：前後電界比｛ぜんご でんかい ひ｝ front-to-back ratio meaning：[Electronics] Abbreviation, f/b. An expression of the ability of a unidirectional antenna to concentrate its radiation or response in its favored direction. This specification is nearly always given i...front-to-back ratio перевод：коэффициент обратного излучения (антенны)
