9.1 The Laplace Transform 1. The relationship 2. Region of Convergence（收敛域）

Chapter 8 Communication Systems Modulation : The general process of embedding an information -bearing signal into a second signal. Demodulation : Extracting the information-bearing signal. Modulation : Amplitude Modulation (AM) Frequency Modulation (FM) Phase Modulation (PM) Modulating

6.1 The Magnitude-Phase Representation （ 幅度-相位） of the Fourier Transform

1. Continuous-time system 2. Discrete-time system

1. is absolutely summable, 2. has finite energy

6.23 Shown in Figure 6.23 is for a lowpass filter. Determine and sketch the impulse response of the filter for each of the following phase characteristics:

2.7 A linear system S has the relationship +∞ yn]=]gn-2k] k=-∞0 between its input xn] and outputy[n] g[n]=un]-un-4] (a)x[n]=[n-1]y[n=u[n-2]-u[n-6] (b)x[n=6[n-2]yn=u[n-4]-u[n-8 (c)S is time-varying

作业： 1.14 1.15 1.16 1.17 1.21 (d) (e) (f) 1.22 (d) (g) 1.23 1.24 (a) (b) 1.26 (a) (b) 1.27 1.31

第一章数字逻辑基础 第二章逻辑门电路 第三章组合逻辑电路 第四章时序逻辑电路引论 第五章时序逻辑电路的分析与设计 第六章存储器和可编程逻辑器件 第七章脉冲信号的产生与整形

一.直流工作点分析 电容开路、电感短路、激励源取直流电平值结果包含直流工作电、小信号线型化参数值。结果保存在输出文件中