利用硬件描述语言VHDL实现智能知识问答抢答器的设计。重点阐述了抢答器各个部件的工作原理和采用硬件描述语言的设计方法。本文使用数字电路开发软件MAX+PLUSII给出了设计的仿真结果。结果表明该设计能够满足抢答器的设计要求,对FPGA硬件资源的利用高效合理。 Using hardware description language VHDL to realize intelligent knowledge answering machine design. Emphasis is laid on the working principle of each component of the answering machine and the design method using hardware description language. This article uses the digital circuit development software MAX + PLUSII gives the design of the simulation results. The results show that the design can meet the design requirements of the responder and efficiently and reasonably utilize the FPGA hardware resources.