课程简介
本课程以离散时间信号与系统作为对象，研究数字信号处理的基本理论、基本方法。研究数字信号处理的基本分析方法和算法原理，包括时域离散信号和系统的描述方法，序列的傅立叶变换、Z变换、离散傅立叶变换以及对时域离散信号和系统进行频域分析、数字滤波器的基本理论和设计方法以及技术实现。
课程大纲
Chapter 1 Introduction
- 1.1 Introduction
Chapter 2 DT Signals & Systems
- 2.1 2.1 Discrete-time signals:sequences
- 2.2 2.1 Discrete-time signals:sequences 2
- 2.3 2.2 Discrete-time system
- 2.4 2.4--2.9
- 2.5 lecture of exercise
Chapter 3 The Z-transfrom
- 3.1 the Z-transfrom
- 3.2 z-transform properties, Relationship between zT and LT
- 3.3 3 homework 1
- 3.4 3 homework 2
Chapter 4 Sampling of CT signals
- 4.1 Digital processing of analog signals
- 4.2 CT processing of DT signal
- 4.3 Digital processing of analog signals
- 4.4 Changing the sampling rate using discrete-time processing
- 4.5 4 homework 1
- 4.6 4 homework 2
Chapter 8 DFT
- 5.1 The fourier transform of periodic signals
- 5.2 Fourier representation of finite-duration sequences: definition of the discrete Fourier transform (DFT)
- 5.3 Sampling the Fourier transform,Linear convolution using the DFT
- 5.4 8 end
- 5.5 8 homework 1
- 5.6 8 homework 2
- 5.7 8 homework 3
Chapter 9 FFT
- 6.1 Decimation-in-time FFT algorithms
- 6.2 Decimation-in-frequency FFT algorithms, IFFT algorithm
- 6.3 9 homework
Chapter 5 Transform Analysis of LTI System
- 7.1 Linear system with generalized linear phase
- 7.2 all pass and Minimum-Phase Systems
- 7.3 Linear Systems With Generalized Linear Phase
- 7.4 Causal generalized linear-phase system
Chapter 6 Structures for DT Systems
- 8.1 Signal flow graph representation of linear constant-coefficient difference equations
- 8.2 Basic structures for IIR and FIR system
Chapter 7 Filter DesignTechniques
- 9.1 Filter design by impulse invariance
- 9.2 Filter design by bilinear transform
- 9.3 Not low pass filter design and other method
- 9.4 Design of FIR filters by windowing
the end
- 10.1 homework 5
- 10.2 homework 5 6 7
- 10.3 the exercise 1
- 10.4 the exercise 2
- 10.5 homework 5 1
