延安大学物理与电子信息学院教学方案 章节名称| Chapter 1 Discrete-time signals and syste ems 授课方式理论课(√):实验课();实习()教学时数 掌握常见离散信号的定义、特点及 MATLAB实现:掌握时域离散系 教学目的及 统的线性性、时不变性、稳定性、因果性的定义及其判定:掌握时域离 散系统的输入输出描述法一一线性常系数差分方程。 教学内容提要 时间分配 1. Discrete-time signal Consider the mathematical representation of discrete-time signals in time domain and several concepts associated with such representations 2. Discrete-time systems Discuss various classifications of the discrete-time signals that often can be used to simplify the signa processing algorithms. 3. 1/0 characterization of the discrete-time systems--Linear constant coefficients difference equation 4. Digital processing of analog signals Discuss the relation between a continuous-time signal and its discrete-time version, obtained by sampling the former at uniform sampling can uniquely represent the parent continuous-time signal 重点 重点 Representation of the discrete-time signals 难点3 延安大学物理与电子信息学院教学方案 章节名称 Chapter 1 Discrete-time signals and systems 备 注 授课方式 理论课（√）；实验课（ ）；实习（ ） 教学时数 3 教 学 目 的 及 要 求 掌握常见离散信号的定义、特点及 MATLAB 实现；掌握时域离散系 统的线性性、时不变性、稳定性、因果性的定义及其判定；掌握时域离 散系统的输入输出描述法——线性常系数差分方程。 教学内容提要 时间分配 1. Discrete-time signal Consider the mathematical representation of discrete-time signals in time domain and several concepts associated with such representations. 2. Discrete-time systems Discuss various classifications of the discrete-time signals that often can be used to simplify the signal processing algorithms. 3. I/O characterization of the discrete-time systems—Linear constant coefficients difference equation 4. Digital processing of analog signals Discuss the relation between a continuous-time signal and its discrete-time version, obtained by sampling the former at uniform sampling can uniquely represent the parent continuous-time signal. 2 1 重点 难点 重点： 1. Representation of the discrete-time signals and implmentation; 2. 难点：