Signals and Systems (Tsinghua University)

This course mainly introduces the analysis of the time domain, frequency domain and S domain of continuous time systems and the analysis of time domain, frequency domain and Z domain of discrete time systems, and discusses the basic concepts of transmission and processing of deterministic signals through linear time-invariant systems. , basic analysis and design methods.

• Chapter 1：Signals and Systems Course Promotional Video (1 minutes and 19 seconds)

• Chapter 2：Signals and Systems (9 minutes and 14 seconds)

• Chapter 3：Description and classification of signals (17 minutes and 41 seconds)

• Chapter 4：Under the description and classification of signals (10 minutes and 16 seconds)

• Chapter 5：Signal operation (22 minutes and 42 seconds)

• Chapter 6：on strange signal (18 minutes and 38 seconds)

• Chapter 7：Under strange signal (14 minutes and 56 seconds)

• Chapter 8：signal decomposition (11 minutes and 49 seconds)

• Chapter 9：System model and system classification (13 minutes and 20 seconds)

• Chapter 10：linear time invariant system (18 minutes and 53 seconds)

• Chapter 11：System Analysis Method (3 minutes and 56 seconds)

• Chapter 12：Linear system time domain analysis method (5 minutes and 52 seconds)

• Chapter 13：Classic method for solving system differential equations (11 minutes and 43 seconds)

• Chapter 14：Zero input response and zero state response (17 minutes and 27 seconds)

• Chapter 15：Equivalent conversion between starting state and excitation source (11 minutes and 40 seconds)

• Chapter 16：Impulse response and step response (22 minutes and 43 seconds)

• Chapter 17：convolution (17 minutes and 46 seconds)

• Chapter 18：Properties of convolution (16 minutes and 0 seconds)

• Chapter 19：Overview (11 minutes and 32 seconds)

• Chapter 20：Fourier series analysis of periodic signals (Part 1) (27 minutes and 8 seconds)

• Chapter 21：Fourier series analysis of periodic signals (Part 2) (20 minutes and 27 seconds)

• Chapter 22：Fourier series of typical periodic signals (17 minutes and 17 seconds)

• Chapter 23：Fourier transform of non-periodic signals (21 minutes and 19 seconds)

• Chapter 24：Fourier transform of typical non-periodic signals (20 minutes and 54 seconds)

• Chapter 25：Fourier transform of impulse and step functions (6 minutes and 4 seconds)

• Chapter 26：The basic properties of Fourier transform (19 minutes and 12 seconds)

• Chapter 27：Among the basic properties of Fourier transform (23 minutes and 10 seconds)

• Chapter 28：Under the basic properties of Fourier transform (17 minutes and 14 seconds)

• Chapter 29：Convolution properties (convolution theorem) (8 minutes and 26 seconds)

• Chapter 30：Fourier transform of periodic signals (22 minutes and 35 seconds)

• Chapter 31：Fourier transform of the sampled signal (12 minutes and 23 seconds)

• Chapter 32：Under the Fourier transform of the sampled signal (19 minutes and 24 seconds)

• Chapter 33：sampling theorem (9 minutes and 52 seconds)

• Chapter 34：Fourier Transform Application (22 minutes and 57 seconds)

• Chapter 35：Introduction 2 (4 minutes and 57 seconds)

• Chapter 36：Definition and convergence region of Laplace transform (24 minutes and 53 seconds)

• Chapter 37：The basic properties of Laplace transform (22 minutes and 10 seconds)

• Chapter 38：Under the basic properties of Laplace transform (19 minutes and 1 seconds)

• Chapter 39：Inverse Laplace Transform (24 minutes and 48 seconds)

• Chapter 40：Use Laplace transform method to analyze circuits and S-domain component models (21 minutes and 4 seconds)

• Chapter 41：System function network function Hs (16 minutes and 15 seconds)

• Chapter 42：The time domain characteristics are determined by the zero and pole distribution of the system function. (12 minutes and 40 seconds)

• Chapter 43：The time domain characteristics are determined by the zero and pole distribution of the system function (14 minutes and 47 seconds)

• Chapter 44：The frequency response characteristics are determined by the zero and pole distribution of the system function. (25 minutes and 23 seconds)

• Chapter 45：Zero and pole distribution of all-pass function and minimum phase shift function (5 minutes and 7 seconds)

• Chapter 46：Stability of linear systems (8 minutes and 25 seconds)

• Chapter 47：Bilateral Laplace Transform (14 minutes and 18 seconds)

• Chapter 48：The relationship between Laplace transform and Fourier transform (14 minutes and 55 seconds)

• Chapter 49：Compare discrete time systems to continuous time system analysis (7 minutes and 7 seconds)

• Chapter 50：Discrete time signal - sequence (Part 1) (3 minutes and 32 seconds)

• Chapter 51：Discrete time signals - sequences (medium) (20 minutes and 19 seconds)

• Chapter 52：Discrete time signal - sequence (Part 2) (13 minutes and 7 seconds)

• Chapter 53：Description and classification of signals (11 minutes and 55 seconds)

• Chapter 54：Solution of linear difference equations with constant coefficients (Part 1) (15 minutes and 43 seconds)

• Chapter 55：Solving linear difference equations with constant coefficients (Part 2) (15 minutes and 50 seconds)

• Chapter 56：Unit sample (unit impulse) response of a discrete-time system (21 minutes and 15 seconds)

• Chapter 57：Convolution (sum of convolutions) (21 minutes and 16 seconds)

• Chapter 58：Deconvolution (deconvolution) (7 minutes and 10 seconds)

• Chapter 59：Introduction 1 (8 minutes and 26 seconds)

• Chapter 60：Convergence region of z-transform 1 (22 minutes and 17 seconds)

• Chapter 61：Z-transform of a typical sequence (7 minutes and 6 seconds)

• Chapter 62：Inverse z-transform (21 minutes and 55 seconds)

• Chapter 63：Basic properties of z transformation (Part 1) (23 minutes and 5 seconds)

• Chapter 64：Basic properties of z transformation (Part 2) (20 minutes and 8 seconds)

• Chapter 65：The relationship between z transform and Laplace transform (22 minutes and 25 seconds)

• Chapter 66：Solving difference equations using z-transform (15 minutes and 32 seconds)

• Chapter 67：System functions of discrete systems (24 minutes and 12 seconds)

• Chapter 68：Fourier transform (DTFT) of the sequence (15 minutes and 14 seconds)

• Chapter 69：Frequency response characteristics of discrete-time systems (28 minutes and 29 seconds)

• Chapter 70：Discreteness and Periodicity of Fourier Transform (22 minutes and 51 seconds)

• Chapter 71：From discrete Fourier series DFS to discrete Fourier transform DFT (8 minutes and 53 seconds)

• Chapter 72：Discrete Fourier Transform Properties (Part 1) (11 minutes and 0 seconds)

• Chapter 73：Discrete Fourier Transform Properties (Part 2) (19 minutes and 4 seconds)

• Chapter 74：The relationship between DFT and Z transform (3 minutes and 57 seconds)

• Chapter 75：Fast Fourier Transform (FFT (top)) (24 minutes and 8 seconds)

• Chapter 76：Fast Fourier Transform (FFT (bottom) (19 minutes and 34 seconds)

• Chapter 77：Basic concepts of filters (12 minutes and 52 seconds)

• Chapter 78：Analog low pass filter design (13 minutes and 0 seconds)

• Chapter 79：Analog low pass filter design (14 minutes and 21 seconds)

• Chapter 80：Analog low pass filter design (14 minutes and 43 seconds)

• Chapter 81：Analog high-pass, band-pass and band-stop filter design (14 minutes and 0 seconds)

• Chapter 82：Analog high-pass, band-pass and band-stop filter design (9 minutes and 8 seconds)

• Chapter 83：Analog high-pass, band-pass and band-stop filter design (12 minutes and 11 seconds)

• Chapter 84：Design IIR digital filter using impulse response invariant method (10 minutes and 11 seconds)

• Chapter 85：Digital filter design using bilinear Z transform method (15 minutes and 3 seconds)

• Chapter 86：Design of digital high-pass band-pass and band-stop filter (21 minutes and 30 seconds)

• Chapter 87：On the window function method of FIR DF design (26 minutes and 40 seconds)

• Chapter 88：Under the window function method of FIR DF design (18 minutes and 15 seconds)