题目内容：
周期噪声趋向于产生频率尖峰，其频谱图在与中心原点对称的位置上存在成对的冲击，即高亮点。
A.正确
B.错误
参考答案：
选择题：周期噪声趋向于产生频率尖峰，其频谱图在与中心原点对称的位置上存在成对的冲击，即高亮点。
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