可编程逻辑系统的VHDL设计技术,该本书首先对VHDL语言进行了阐述,然后用alter公司的产品进行举例!-programmable logic system VHDL design technology, the first book of VHDL expounded, and then alter the company's products, for example!

边沿检测，用vhdl实现sobel算子。