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Authoritative PPT Summary
"Modern Communication Technology and Development Prospects" How to Transmit Information - Introduction to Communication Technology PPT Courseware 2
teaching objectives:
knowledge and abilities
Understand the basic situation of mobile communications, network communications, optical fiber communications, and satellite communications.
process and methods
Experience the diversity of modern communication technologies through reading relevant materials and teachers' explanations.
Emotions, attitudes and values
By learning modern communication knowledge, you can understand the convenience that technology brings to human beings and increase your interest in the subject.
Preview before class
1. How do mobile phones transmit and receive signals?
2. What is the process of sending emails?
3. How can light carry more information?
4. What are the characteristics of communication satellites? What is ( ) electromagnetic wave used?
5. Global satellite positioning system is represented by ( ).
Class feedback:
1. The four modes of modern communication technology are: __________, __________, __________, __________.
2. The characteristics of laser are: __________, __________.
3. People use __________ as microwave relay stations to realize global microwave communications.
4. Most communication satellites __________ relative to the earth and rotate with the rotation of the earth.
5. To achieve global communication, at least one synchronous communication satellite is needed.
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How to transmit information in "Modern Communication Technology and Development Prospects" - Introduction to Communication Technology PPT Courseware 3:
"Modern Communication Technology and Development Prospects" How to Deliver Information and Communication Technology Introduction PPT Courseware 3 Microwave Communication Advantages: Large capacity, one microwave line can open thousands or even tens of thousands of telephone lines Disadvantages: Relay stations must be built every 50km, signal degradation, time Delay..
How to convey information in "Modern Communication Technology and Development Prospects" - Introduction to Communication Technology PPT courseware:
How does "Modern Communication Technology and Development Prospects" deliver PPT courseware about information and communication technology? Questions and Thoughts 1. What are the higher requirements for communication in modern politics, economy, military, scientific research, life, etc.? 2. What high technologies are used in modern communications? 3..