油井动液面检测信号的小波时频分析

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在利用声波反射原理计算油井动液面时,针对频谱法分析声波特征不精确的情况,本文利用小波变换对油井动液面检测信号进行时频特征分析,达到精确分析检测信号特征的目的。最后,利用小波变换对模拟信号和油井动液面实测信号进行特征分析,经过实验和分析结果表明,小波变换时频分析方法具有较高的时间—频率分辨率,并该方法能够有效地分析油井动液面检测信号的特征。
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