103年中華電信行動通信網路系統選擇40題 - 考試
By Leila
at 2014-02-18T01:23
at 2014-02-18T01:23
Table of Contents
下列哪一種調變技術是以傳送單一訊息的頻寬來傳送兩種訊號?
(1) BPSK (2) FM (3) GMSK (4)QAM
答案是4
為什麼不是1,BPSK的部分不是就是傳送兩種訊號
4 並未說明使用什麼來做調變
請問大家覺得這次的難易度如何? 大家有對答案嗎?
我覺得名額好少 好難進去阿
可以報 英文 或專業科目 分數?
我是忘記 我寫什麼答案=_=
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