短語詞組短語double side -band suppressed carrier 雙邊帶抑制載波dsbsc double side -band suppressed carrier 雙邊帶抑制載波DSB -Double Side Band 雙邊帶調(diào)制suppressed -carrier double side band 抑制載波的雙邊帶carrier -suppressed double side band 抑制載波雙邊帶 返回 double-sideband