apter 2 Discrete-Time signals and systems 92.6 Frequency-Domain Representation of Discrete- Time Signals and systems 2.7 Representation of Sequences by Fourier transforms 2. 8 Symmetry Properties of the Fourier Transform 2.9 Fourier Transform Theorems 2.10 Discrete-Time Random signals ◆211 Summary 1/30/2021 Zhongguo Liu_Biomedical Engineering_ Shandong Univ3 1/30/2021 Zhongguo Liu_Biomedical Engineering_Shandong Univ. Chapter 2 Discrete-Time Signals and Systems u2.6 Frequency-Domain Representation of Discrete-Time Signals and systems u2.7 Representation of Sequences by Fourier Transforms u2.8 Symmetry Properties of the Fourier Transform u2.9 Fourier Transform Theorems u2.10 Discrete-Time Random Signals u2.11 Summary