信号与系统 奥本海默 习题答案 英文 Exercise Ch. 1 1.1 Express each of the following complex numbers in Cartesian form (x+jy): (3) ejp/2 = cos(p/2)+j sin(p/2)=j (6)ejp/4 =[cos(p/4)+j sin(p/4)]=1+j 1.2 Express each of the following complex numbers in polar form (r ej
奥本海默信号与系统课后习题解答 奥本海默信号与系统课后习题解答 附： CHAPTER 1 1.1 to 1.41 - part of text 1.42 (a) Periodic: Fundamental period = 0.5s (b) Nonperiodic (c) Periodic Fundamental period = 3s (d) Periodic Fundamental period = 2 samples (e) Nonperiodic (f) Periodic: Funda
