【单选题】
发射类型J3E的含义是（）。
A、全载波单边带无线电话
B、减载波单边带无线电话
C、全抑制载波单边带无线电话
D、调制无线电话
查看正确答案A、A.幅度调制 B、B.独立边带、全载波 C、C.模拟信号 D、D.单边带、抑制载波
搜题
更多“发射类型J3E的含义是（）。”相关的问题
第7题
A、Stations not directly involved with the on-going distress communications may not transmit on the distress frequency or channel B、Stations remaining off the air to safeguard proprietary information C、Two three-minute silent periods，at 15 and 45 minutes after the hour，that provide a transmitting "window" for distressed vessels to transmit distress alerts using J3E D、Communications on a distress frequency or channel is banned for 24 hours following the cessation of the distress traffic
