Who has technical information on communications, details

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Generally, microwave communication circuits need to have the following circuits:

Transmitters, receivers, filter circuits, amplification circuits.

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Communication technology, also known as communication engineering (also known as information engineering, telecommunications engineering, formerly known as long-distance communication engineering, weak current engineering) is an important branch of electronic engineering, and it is also one of the basic disciplines. This discipline is concerned with the principles and applications of information transmission and signal processing in the communication process. Communication engineering is the study of the transmission of information in the form of electromagnetic waves, sound waves, or light waves from the sender (source) to one or more receivers (sustenance) through electrical impulses.

Whether the receiver can correctly recognize the information depends on the level of loss in the transmission. Signal processing is an important part of communication engineering, including filtering, encoding and decoding. Professional courses include computer network basics, circuit basics, communication system principles, switching technology, wireless technology, computer communication networks, communication electronic circuits, digital electronic technology, optical fiber communication, etc.

The major of communication technology is a compound major that combines communication technology, electronic technology and computer application technology. Cultivate application-oriented high-tech talents who have the all-round development of morality, intelligence, physique and aesthetics to meet the needs of socialist modernization, master the necessary theoretical knowledge of communication technology, electronic technology and computer application technology involved in the field of communication systems, have strong professional skills, have a wide range of adaptability, have good basic quality, and can actually operate, test, maintain and manage the normal operation of communication equipment and systems.

Introduction to the Communication Technology Major:

1. Training Objectives:

The communication technology major cultivates high-level technical application-oriented professionals who meet the needs of production, construction, management, and service in the first line of moral, intellectual, physical and other aspects of all-round development, and graduates are the application type who masters the basic theories and technologies in communication engineering, and have the ability to operate, maintain and manage communication systems, and the installation, commissioning and troubleshooting capabilities of communication equipment. The first-line technical application talents of communication engineering construction organization and management ability. Be proficient in the maintenance and application, commissioning and maintenance of communication equipment and related equipment.

2. Employment direction:

With the advent of 3G and 4G communication and the development of future communications, the demand for communication technology talents is increasing. Many colleges offer communication technology majors, which are mainly oriented to the design and development, production, installation and commissioning, operation and maintenance, failure analysis, marketing and after-sales service of communication products and equipment. The main cooperative enterprises are:

There are more than 10 "dual system" school-enterprise cooperative enterprises, "order-based school-enterprise cooperative enterprises", China Telecom, China Mobile, China Unicom, etc.

3. Main courses:

1) The main professional courses are: computer network foundation, circuit foundation, communication system principle, switching technology, wireless technology, computer communication network, communication electronic circuit, digital electronic technology, optical fiber communication.

2) Related courses include: Advanced Mathematics, Engineering Mathematics, College English, Circuit Analysis, Analog Electronic Technology, Signals and Systems, Communication Electronic Circuits, Microcontroller Technology, EDA Technology, Electronic Circuit Comprehensive Design, Digital Communication Principles, Digital Signal Processing Basics, DSP Technology, Modern Communication Network Technology, Modern Optical Fiber Communication Technology.

1.What is Communication? What is the target "5W" of communication? How has traditional communication evolved today? Please describe the composition of the analog communication system and the digital communication system and the main working principles of each part.

A: Communication refers to the delivery of a message. The target "5W" of communication refers to any type of exchange of information with any other person (whomever) at any time (whenever) and anywhere (wherever).

At present, communication refers to the communication of information transportation using (optical) electricity, that is, electricity (communication).

2.What are the four major communication networks? What network does the fixed ** belong to?

What network does Mobile** belong to? What type of network does the wireless access network of laptops belong to in terms of scope? What network does home cable TV belong to?

How do you see these networks evolving in the future?

Answer: Communication networks refer to voice networks, television networks, computer networks and access networks (not very certain). Fixed ** belongs to the voice network.

In the future, these networks will show the development trend of multi-network integration.

3.What are the ITU international standards for 3G for third-generation mobile communications? How many major domestic operators are engaged in 3G business?

What are the main types of 3G services? What are the 3G terminal products launched by major operators? **What are the tariffs (list description)?

What are the major technology companies engaged in 3G R&D at home and abroad? How do you think 3G will develop in the future?

A: The ITU international standards for the third generation of mobile communication 3G include CDMA2000, WCDMA, TD-SCDMA and WiMAX. China Mobile is engaged in TD-SCDMA, China Unicom is engaged in WCDMA, and China Telecom is engaged in CDMA2000.

Time division multiple access, frequency division multiple access, code division multiple access, radio frequency, frequency hopping, carrier frequency, carrier, the future is 4G dual-channel communication, now is the fusion of 2G and 3G, individual 4G single-channel network has been realized in some places in Beijing, organize your own language, you ask too many questions, you can't ask me, as long as you want to learn anything is not a problem.

The teacher doesn't know where to get the problem, but how to do it. Khan, Teacher Jiang Technician is a cow.

The four major networks are telecommunications, China Unicom, mobile, and radio and television.

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