简单的状态机设计，功能是检测一个5位二进制序列“10010”。考虑到序列重叠的可能，有限状态机共提供8个状态（包括初始状态IDLE）。-Simple state machine design, function is to detect a 5-bit binary sequence " 10010."　Taking into account the possibility of overlapping sequences, finite state machines provide a total of eight states (including the initial state IDLE).