通訊原理

(中文) 本課程介紹通訊信號傳輸之基礎理論與基本技術,是欲了解通訊工程者必備的基礎知識。課程內容以介紹類比訊號傳輸方法及其效能分析為主,也以部分時間介紹數位通訊技術。雖然近年來,通訊系統逐漸愈趨數位化,但本課程所介紹有關類比通訊的各種觀念及數學工具,其實仍是了解數位通訊的重要基礎。本課程與後續的「數位通訊原理」形成內容連續之二學期課程;透過修習這兩門課,可對通訊工程的基要有較完整的認識。但本課程在規劃上,並不假設學生會修習上述第二學期課程。 (English) This course introduces basic theory and basic techniques for communication signal transmission. Such material is the fundamental knowledge that anyone who desires to understand communication engineering must possess. The course concentrates on introducing analog signal transmission methods and their performance analysis, but also spends some time introducing digital communication technology. Although in recent years, digital communication becomes more and more prevalent, the various concepts and mathematical tools introduced in this course concerning analog communication nevertheless constitute the essential foundation for understanding of digital communication. This course, together with its sequel “Principles of Digital Communication,” form a two-semester curriculum with connected contents. A more complete understanding of the fundamentals of communication engineering can be acquired by taking both these courses. But the organization of the present course does not assume that students will also take the above second-semester course.

(中文) 1. 工程數學(含線性代數、機率、常微分方程、複變函數)之基本觀念 2. 訊號與系統 (English) 1. Basic concepts in Engineering Mathematics (including Linear Algebra, Probability, Ordinary Differential Equations, and Complex Variables) 2. Signals and Systems

無備註

Relevant information is announced in the first lecture. Course web site: http://cwww.ee.nctu.edu.tw/~dwlin/courses/19comm1

課程進行方式暫定包括課堂講授、作業、及三次考試。評分方式於第一堂課及講義中公佈。

• 1. Introduction

  Introduces the concept of communication systems and gives some examples.

• 2. Review of signals and systems

  Reviews some concepts taught in the course Signals and Systems that are relevant to the study of communication systems.

• 3. Linear modulation (and demodulation)

  Introduces linear modulation methods and corresponding demodulation methods. Emphasis is placed on introducing double-sideband suppressed-carrier (DSBSC) modulation and amplitude modulation (AM), single-sideband (SSB) and vestigial-sideband (VSB) modulations, and mixing. Some time is spent on introducing analog quadrature amplitude modulation (QAM), concept of multiplexing, concept of analog pulse modulation, and noise effects on linear modulation methods.

• 4. Angle modulation (and demodulation)

  Angle modulation usually refers to frequency modulation (FM) and phase modulation (PM). This unit introduces angle modulation methods and corresponding demodulation methods. Contents include basic concepts of angle modulation, power of angle-modulated signal, frequency spectrum of angle-modulated signal, discrimination method of demodulation, and phase-locked loop (PLL) method of demodulation. Some time is spent on introducing noise effects on angle-modulated signals.

• 5. Review of probability

  Reviews some concepts in Probability, in preparation for discussion of Random Processes (the next subject unit).

• 6. Random processes

  Also known as stochastic processes. In communication system design and analysis, it is often convenient or even necessary to represent the transmitted signal or the encountered noise as a random process, that is, random waveforms that appear according to some probability distribution. This unit introduces some basic concepts of random processes, their statistical characterization (such as stationarity), and how a linear system affects the property of a random process (such as the input-output relationship of a linear system and lowpass representation of a bandpass process). Some time is spent on introducing some commonly encountered noise sources in communication circuits and commonly used ways of characterizing noise effects in communication systems.

• 7. Performance of analog modulation methods in noise

  Uses the concepts taught in Random Processes (last subject unit) to analyze the transmission performance of various linear and angle modulation methods.

• 8. Introduction to digital communication

  An introduction to digital communication. Contents may include signal-space analysis, baseband digital signal transmission techniques, and passband digital signal transmission techniques.

Textbook: R. E. Ziemer and W. H. Tranter, "Principles of Communications: Systems, Modulation, and Noise, 7th ed.," Wiley, 2015. References (not required): 1. S. Haykin, "Communication Systems, 4th ed.," Wiley, 2001. 2. J. G. Proakis and M. Salehi, "Essentials of Communication Systems Engineering," Pearson Prentice Hall, 2005.

地點

Announced in the first lecture

時間

Announced in the first lecture

聯絡方式

Announced in the first lecture