Aiming to discover and identify intrusion behaviors, IDS is a technology of information discrimination and detection, and, from the data-driven point, also a process of data analysis.
入侵检测就是发现或确定入侵行为存在或出现的动作，它实际上是一种信息识别与检测技术，而从以数据为中心的观点看，入侵检测本身就是一个数据分析过程。
During the information detection and discrimination, the remote sensed data always represents three important characters: space character, spectral character and time character.
遥感数据源在信息提取和识别的过程中主要表现为三大特征：空间特征、光谱特征和时间特征。
Based on the UWB radar system, the emitting waveform design and signature waveform detection are discussed respectively in this paper to realize the detection and discrimination of targets.
本文在超宽带雷达体制下分别从发射波形设计和特征波形检测两个角度来实现目标的检测和识别。
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