【单选题】【消耗次数：1】
带通调制中，容易实现，抗干扰能力强，使用较为广泛的技术是（）
①
调幅
②
调频
③
绝对调相
④
相对调相
参考答案：
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相关题目
【简答题】
基本的带通调制方法有调幅、[填空]、调相
【简答题】
基本的带通调制方法有调幅、调频、[填空]
随机题目
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①
Because
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With
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By
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Without
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at times
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time before time
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time and again
④
for the time being
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circles
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is circling
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has been circling
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were circling
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①
would not see
②
had not seen
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having not seen
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has not seen
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did she return
②
that she returned
③
when she returned
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that did she return
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①
sensitive
②
senseless
③
insensitive
④
sensible