數位訊號處理
Digital Signal Processing
| 節 | 週二 |
|---|---|
A 18:30–19:20 | 數位訊號處理 ED220（光復） 3 節連堂 |
B 19:30–20:20 | |
C 20:30–21:20 |
* 根據陽明交大上課時間表所列
介紹數位訊號處理與頻譜分析, 濾波器的性能分析與設計
訊號與系統
無備註
http://perception.cm.nctu.edu.tw
HWs(Matlab) : TBA Midterm(s) : TBA Final : TBA
基本訊號與系統
1.Discrete-time (DT) signal and system 2.LTI system 3.DT Fourier transform 4.Random signal
- 講授：
- 6
- 示範：
- 1
Z轉換
1.Z-transform 2.Region of convergence 3.Inverse Z-transform 4.Partial fraction expansion
- 講授：
- 4
- 示範：
- 1
取樣分析
1.Periodic sampling 2.Signal reconstruction 3.Discrete-time processing 4.Up/down-Sampling 5.Multirate 6.Polyphase decomposition 7.Oversampling/noise shaping 8.Quantization
- 講授：
- 7
- 示範：
- 1
頻域分析
1.Magnitude and phase responses of systems 2.Transfer functions 3.Minimum-phase/all-pass decomposition 4.Linear systems with generalized linear phase
- 講授：
- 5
- 示範：
- 1
離散時間系統結構
1.Implementation trade-off among complexity, modularity, finite-precision effects 2.Block diagram and signal flow graph representation 3.Basic structures for IIR and FIR systems
- 講授：
- 5
- 示範：
- 1
濾波器的實現與設計
1.IIR filter design 2.FIR filter design
- 講授：
- 4
- 示範：
- 1
離散傅立業轉換
1.Discrete Fourier series 2.Discrete Fourier transform (DFT) 3.Circular convolution 4.Zero-padding 5.Linear convolution using DFT 6.Overlap-add/save
- 講授：
- 5
- 示範：
- 1
快速傅立業轉換
1.Decimation-in-time FFT 2.DIF FFT 3.Goertzel and Chirp-Z transforms 4.Finite-precision implementation of FFT
- 講授：
- 5
- 示範：
- 1
頻譜計算
1.Windowing effect 2.Spectral/temporal resolution 3.Short-time Fourier transform.
- 講授：
- 5
- 示範：
- 1
| 週次 | 主題 |
|---|---|
| 第 1 週 | Discrete-time signals and systems: LTI, convolution, eigenfunctions, DT Fourier transform. |
| 第 2 週 | DT Fourier transform, random signal, Z-transform. |
| 第 4 週 | ROC, partial fraction expansion and inverse Z-transform. |
| 第 6 週 | Transfer functions, frequency/phase responses, minimum-phase/all-pass decomposition. |
| 第 8 週 | Digital filters structures: direct, cascade, parallel, direct/transposed. |
| 第 10 週 | Finite-precision effects: coeff. quant., round-off error analysis. |
| 第 11 週 | Discrete Fourier Transform: freq. sampling, circular conv. |
| 第 13 週 | Fast Fourier Transform: DIT, DIF. |
| 第 15 週 | Filter Design: IIR. |
| 第 16 週 | Filter Design: FIR. |
Textbook: Oppenheim and Schafer, Discrete-Time Signal Processing, 3rd Ed., Prentice-Hall, 2009. References: Proakis and Manolakis, Digital Signal Processing: Principles, Algorithms, and Applications, 4th Ed., Prentice-Hall, 2007. Mitra, Digital Signal Processing: a computer-based approach, 3rd Ed., McGraw-Hill, 2006.
- 地點
- ED 725
- 時間
- Wed. 10:00~12:00 AM
- 聯絡方式
- Email: tschi@mail.nctu.edu.tw