通信工程专业英语教程

Unit 1  Signals and Systems    1

Lesson 1  Signals: Audio, Image and Video    2

Lesson 2  Systems: Linear versus Nonlinear    7

Lesson 3  Modern Electronic Communication Systems    12

Exercises    17

Extensive Reading    22

Passage 1  Fourier Theorem and Spectral Analysis    22

Passage 2  Nyquist Theorem and Analog-to-Digital Conversion    23

Passage 3  Shannon Theorem and Channel Capacity    25

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计算机专业英语 

Unit 1?Introduction to Computer

Part 1?Reading and Translating

Section A: Cloud Computing

Section B: The Internet of Things

Part 2?Simulated Writing: Uncovering the Secrets of Clear Writing (Ⅰ)

Part 3?Listening and Speaking

Dialogue: Buying a New Notebook Computer

Listening Comprehension: John von Neumann

Dictation: The Rise of Mobile Computing: The Getting-Smarter Smartphone

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