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A method of measuring the echo reduction of passive materials based on inverse filtering technique is presented. In this method, a received signal which contains circuit channel and underwater acoustic channel information is obtained by transmitting the initial pilot signal and receiving signals through the hydrophone. With inverse filtering technique, the channel transfer function between the transducer...
Intrusion detection systems (IDSs) can easily create thousands of alerts per day, up to 99% of which are false positives (i.e. alerts that are triggered incorrectly by benign events). This makes it extremely difficult for managers to analyze and react to attacks. This paper presents a novel method for handling IDS alerts more efficiently. It introduces outlier detection technique into this field,...
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