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信号与系统是一门重要的专业基础课,其中的傅里叶变换、拉普拉斯变换和Z变换是信号与系统整个课程的理论重点。而专科学生普遍存在数学基础差、对学习没有信心、自制力差等特点,教师单一教授某一部分理论知识,并不能有效地让专科学生掌握,所以提出比较法教授信号与系统课程理论,以山东广播电视大学电子信息工程技术专业专科学生为例,通过比较法学习信号与系统的重点内容三大变换,取得了较好的效果。比较法授课让该专业学生快速有效的学习信号与系统的基本概念和基本方法,引起学生的兴趣,提高专科学生的理论学习能力,从而建立专科学生的自信,为后续课程的学习及今后的科学研究和工程实践打下良好的基础。
Signal and system is an important basic course, of which the Fourier transform, Laplace transform and Z transform are the theoretical focus of the whole course of signal and system. However, undergraduates generally lack of basic math, lack of confidence in learning and poor self-control. Teachers can only master a certain part of their theoretical knowledge and can not effectively master the specialized sciences. Therefore, Radio and Television University electronic information engineering technology students, for example, by comparing the law of learning signals and the system of the three major changes in the content, and achieved good results. The comparative law taught the students to quickly and effectively learn the basic concepts and basic methods of signal and system, aroused the interest of students and improved the theoretical learning ability of college students, so as to establish the self-confidence of junior college students, to study the follow-up courses and the future science Research and engineering practice lay a good foundation.