ANNA UNIVERSITY‚ CHENNAI AFFILIATED INSTITUTIONS R 2008 B.E. ELECTRONICS AND COMMUNICATION ENGINEERING II - VIII SEMESTERS CURRICULA AND SYLLABI SEMESTER II SL. No. COURSE CODE COURSE TITLE L T P C THEORY 1. 2. 3. 4. 5. a 5. b 5. c HS2161 MA2161 PH2161 CY2161 ME2151 EE2151 EC2151 Technical English – II* Mathematics – II* Engineering Physics – II* Engineering Chemistry – II* Engineering Mechanics (For non-circuit branches) Circuit Theory (For branches under Electrical Faculty) Electric Circuits
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LIST OF FIGURES 2.1 General Block Diagram. 18_ 2.2 Block Diagram Showing Inside View of Controller Section. 20_ 2.3 RFID Module. 23_ 3.1 Entire Circuit Diagram. 24_ 3.2 Controller Section Circuit Diagram.
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signal is used for two reasons: • To reduce the wavelength for efficient transmission and reception (the optimum antenna size is ½ or ¼ of a wavelength). A typical audio frequency of 3000 Hz will have a wavelength of 100 km and would need an effective antenna length of 25 km! By comparison‚ a typical carrier for FM is 100 MHz‚ with a wavelength of 3 m‚ and could use an antenna only 80 cm long. • To allow simultaneous use of the same channel‚ called multiplexing. Each unique signal can be
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object detection system which uses radio waves to determine the range ‚ altitude ‚ direction ‚ or speed of objects. The radar dish or antenna Transmits pulses of radio waves or microwaves which bounces off any object in their path.The object returns a tiny part of the wave’s energy to a dish or antenna which is usually located at the same site as the transmitter. But sound waves have certain distinct advantages over light waves :Sound
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In scientific terms‚ radio is part of the electromagnetic spectrum. Electromagnetic waves push into space going the speed of light‚ which is 300‚000 kilometers per second. When equipment is attached to an antenna‚ the energy becomes radio waves. Some of the energy can be received by another antenna‚ and using a radio receiver‚ the energy connects the transmitter and receiver. Information that is added to the radio waves can be sent as messages known as television programs‚ walkie talkies‚ and other
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strip onto the back of a hinged clothespin. Bend a pipe cleaner in a V-shape for antenna‚ then glue it and googly eyes to a craft pom-pom. Glue that pom-pom to the front of the clothespin (where it opens). Attach several other brightly colored pom-poms along the rest of the clothespin for the body. Simplify: Have the clothespin and magnet already attached to each other and have the little kids glue the pompoms and antenna. Extend: Have the children recap the story with their little caterpillar
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HATHKHOWAPARA‚ AZARA‚ GUWAHATI-17 DEPARTMENT OF APPLIED ELECTRONICS & INSTRUMENTATION ENGINEERING GENERAL PROFICIENCY TOPIC-GSM Group members- Kaushik Thakuria Roll no-58 Dipankar Choudhury Roll no-42 ACKNOWLEDGEMENT We would like to express our profound gratitude to T.K.B.Bhattacharya‚ Principal‚ Girijananda Chowdhury Institute of Management and Technology‚ Guwahati‚ for permitting us to carry
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Cooperation diversity techniques will be explored ‚ to obtain better performance for OFDM systems. I. Introduction: Multiple antennas transmitting diversity techniques have been investigated based on their ability to combat fading induced by multi-path of the channel‚ and have been widely used in wireless communication system. However‚ the deployment of antenna array on mobile terminal is difficult due to the size and power limitation. In order to solve this problem‚ a new mode of gaining transmit
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War II‚ which saw the development of high-power microwave emitters known as cavity magnetrons‚ the idea of using microwaves to transmit power was researched. In 1964‚ William C. Brown demonstrated a miniature helicopter equipped with a combination antenna and rectifier device called a rectenna. The rectenna converted microwave power into electricity‚ allowing the helicopter to fly. In principle‚ the rectenna is capable of very high conversion efficiencies - over 90% in optimal circumstances. Most proposed
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A computer network is a telecommunications network that allows computers to exchange data. The physical connection between networked computing devices is established using either cable media or wireless media. The best-known computer network is the Internet. Network devices that originate‚ route and terminate the data are called network nodes.[1] Nodes can include hostssuch as servers and personal computers‚ as well as networking hardware. Two devices are said to be networked when a process in one
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