“信号与系统”是电子信息相关专业本专科学生培养的重要学科,是一门专业基础课,涉及“电路分析”、“数字信号处理”、“通信原理”、“图像处理技术”等多门相关基础课、专业基础课和专业技术课。文章对“信号与系统”校级重点课程的建设进行了探讨,明确了课程建设的重点,提出了课程建设的相关教改思路,有助于提高教学效率和教学水平。 “Signal and System ” is an important discipline of electronic information-related majors. It is a professional basic course involving “circuit analysis”, “digital signal processing”, “communication principle” “Image Processing Technology ” and other related basic courses, basic courses and professional and technical courses. This article discusses the construction of key courses of “Signal and System”, identifies the key points of the course construction, puts forward the corrective thoughts of curriculum construction, and helps to improve teaching efficiency and teaching level.