1.3   指数信号与正弦信号                                           
1.3.1  连续时间复指数信号与正弦信号                             
1.3.2  离散时间复指数信号与正弦信号                             
1.3.3  离散时间复指数序列的周期性质                             
1.4   单位冲激与单位阶跃函数                                       
1.4.1  离散时间单位脉冲和单位阶跃序列                           
1.4.2  连续时间单位阶跃和单位冲激函数                           
1.5   连续时间和离散时间系统                                        
1.5.1  简单系统举例                                              
1.5.2  系统的互联                                                
1.6   基本系统性质                                                  
1.6.1  记忆系统和无记忆系统                                      
1.6.2  可逆性与可逆系统                                          
1.6.3  因果性                                                    
1.6.4  稳定性                                                    
1.6.5  时不变性                                                  
1.6.6  线性    
                                                
第二章    线性时不变系统
2.0   引言                                                          
2.1   离散时间LTI系统：卷积和                                       
2.1.1  用脉冲表示离散时间信号                                     
2.1.2  离散时间LTI系统的单位脉冲响应及卷积和表示                  
2.2   连续时间LTI系统：卷积积分                                      
2.2.1  用冲激表示连续时间信号                                   
2.2.2  连续时间LTI系统的单位冲激响应及卷积积分表示               
2.3   线性时不变系统的性质                                          
2.3.1  交换律性质                                                
2.3.2  分配律性质                                                
2.3.3  结合律性质                                                
2.3.4  有记忆和无记忆LTI系统                                     
2.3.5  LTI系统的可逆性                                            
2.3.6  LTI系统的因果性                                         
2.3.7  LTI系统的稳定性                                         
2.3.8  LTI系统的单位阶跃响应                                   
2.4   用微分和差分方程描述的因果LTI系统                          
2.4.1  线性常系数微分方程                                      
2.4.2  线性常系数差分方程