EE3210信号与系统

这门课学什么

课程概述与目标

Students will gain a solid understanding of the fundamental concepts and tools vital for the analysis of signals and systems. In addition, they will acquire foundational knowledge and skills that are applicable across a broad spectrum of scientific and engineering disciplines, including but not limited to communications, control, and signal processing.

教学内容（Keyword Syllabus）

Signals What is a signal; Basic time-domain signal operations: time shift, time reversal, time scaling; Basic continuous-time and discrete-time signals; Dirac impulse function, unit step function, complex exponentials; Energy and power signals. Systems What is a system; Classification of systems: linear versus nonlinear, time-invariant versus time-variant, causal versus non-casual, memoryless versus not memoryless, stable versus unstable; Representation of signals in terms of Dirac impulses; Continuous-time linear time-invariant (LTI) systems with the concepts of convolution integral; Discrete-time LTI systems with the concepts of convolution sum; Properties of LTI systems; Systems described by differential and difference equations. Fourier Analysis for Continuous-Time Signals and Systems Representation of periodic signals by Fourier series; Approximation of periodic signals using Fourier Series and the convergence of Fourier series; Representation of aperiodic and periodic signals by Fourier transform; Properties of the Fourier transform; Frequency response of LTI systems. Fourier Analysis for Discrete-Time Signals and Systems Representation of discrete-time signals by discrete-time Fourier transform; Properties of the discrete-time Fourier transform; Frequency response of discrete-time LTI systems; Sampling and reconstruction of continuous-time signals. Laplace Transform Definition of Laplace transform; Region of convergence for Laplace transform; Inverse Laplace transform; Geometric evaluation of the Fourier transform from the pole-zero plot; Properties of Laplace transform; Analysis and characterization of LTI systems using the Laplace transform; Partial fraction expansion; Solution of differential equations; Transfer function. z-Transform Definition of z-transform; Relationship with Laplace and Fourier transforms; Region of convergence for z-transforms; Properties of z-transform; Inverse z-transform; Geometric evaluation of the Fourier Transform from the pole-zero plot; Solution of difference equation; Analysis and characterization of LTI systems using z-transform. Applications Spectral analysis; Modulation and demodulation; Signal approximation.

校方 PDF 第 4 页 · Keyword Syllabus

预期学习成果

查看学习成果表

CILO	预期学习成果	比重	DEC
1	Explain different types of signals and systems, along with their properties in both continuous-time and discrete-time domains.	20%	DEC-A1, DEC-A2
2	Explain and apply signal transform across different domains.	35%	DEC-A1, DEC-A2
3	Discuss and analyze the input-output relationship of linear time-invariant systems using time-domain techniques and transform methods.	35%	DEC-A1, DEC-A2
4	Apply concepts and tools of signals and systems to solve engineering problems	10%	DEC-A1, DEC-A2, DEC-A3

校方 PDF 第 2 页 · Course Intended Learning Outcomes (CILOs)

我能不能修这门课

先修、建议先备和并修要求分别查看；等同及互斥条件也会影响选课。and 表示同时满足，or 表示备选；组合条件按下方原文分组阅读。

先修条件

MA1201 Calculus and Basic Linear Algebra II or MA1301 Enhanced Calculus and Linear Algebra II or EE1002 Principles of Electrical Engineering (Only applicable from 2021/22 and thereafter)

建议先备知识

无（校方注明 Nil）

并修要求

该版官方课纲未列明该项。

其他修读要求

该版官方课纲未列明该项。

等同课程及条件

无（校方注明 Nil）

互斥课程及条件

无（校方注明 Nil）

怎么考，怎样才算通过

考核方式

Continuous assessment: 60%; Examination: 40%; Examination duration: 2 hours

各项考核占多少分

考核项目	比重	生成式 AI 使用	备注与限制
TestsCILO 1, 2, 3, 4	40%	否（No）	-
AssignmentsCILO 1, 2, 3, 4	20%	是（Yes）	-

校方 PDF 第 2 页 · Assessment Tasks / Activities (ATs)

查看校方原始考核表与使用要求

Assessment Tasks / Activities (ATs)
                      ATs                 CILO No.               Weighting (%)              Remarks ("-" for     Allow Use of
                                                                                            nil entry)           GenAI?
1                     Tests (min.: 2)     1, 2, 3, 4             40                         -                    No
2                     #Assignments        1, 2, 3, 4             20                         -                    Yes
                      (min.: 3)

通过条件

Remark: To pass the course, students are required to achieve at least 30% in coursework and 30% in the examination. # may include homework, tutorial exercise, project/mini-project, presentation