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单位瞬时脉冲信号的频谱在所有频段上是等强度的。
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单位瞬时脉冲信号的频谱在所有频段上是等强度的。
A、正确
B、错误
时间:2021-09-02 13:16
关键词:
和学
中国石油大学
《机电信息监测与处理技术》
答案解析
A
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单位瞬时脉冲信号的频谱在所有频段上是等强度的。
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