false anomaly

Although the filtering method in frequency domain can solve the time variant filtering problem based on Fourier transform, the method may appear a false anomaly in conjunct part between windows.

频率域滤波方法虽然可解决时变滤波问题，但这种方法是基于傅里叶变换，在窗口与窗口之间的接合部位会出现假异常。

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Then , a new correction method is advanced which removes false anomaly by making terrain continuation.

对此, 本文提出了通过地形延拓法消除假异常的校正方案.

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In our model, special function module for intrusion detection is designed. It combines the the misuse intrusion detection and anomaly intrusion detection techniques, and lowers the the false alert rate and the missed alert rate of intrusion detection.

模型还设计了专门的混合式入侵检测模块，结合误用入侵检测和异常入侵检测技术，降低了入侵检测的误警率和漏警率。

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