简单实现ac算法，模式串匹配时，运用简单的数组实现。-Simple the ac algorithms, pattern matching, the use of a simple array.

多模式匹配ac自动机的双数组实现，可以作为匹配病毒特征码的工具。-Multi-pattern matching automaton ac dual array implementations, can be used as a tool to match virus signatures.

8阵元均匀线阵方向图,可测阵元间距d与波长lamda的关系(8 array element uniform linear array pattern, the relation between measurable array element spacing D and wavelength lamda)