Exam Details
| Subject | antenna and wave propagation | |
| Paper | ||
| Exam / Course | b.e.(electronics and instrumentation engineering) | |
| Department | ||
| Organization | SETHU INSTITUTE OF TECHNOLOGY | |
| Position | ||
| Exam Date | May, 2017 | |
| City, State | tamil nadu, pulloor |
Question Paper
Reg. No.
B.E. B.Tech. DEGREE EXAMINATION, MAY 2017
Sixth Semester
Electronics and Communication Engineering
01UEC603 ANTENNA AND WAVE PROPAGATION
(Regulation 2013)
Duration: Three hours Maximum: 100 Marks
Answer ALL Questions
PART A (10 x 2 20 Marks)
1. Define half power beam width.
2. Define beam solid angle.
3. What is need of antenna array?
4. What is a short dipole?
5. Define duality principle.
6. Point out the merits and demerits of lens antenna.
7. What are the drawbacks of antenna measurements?
8. List the applications of log periodic dipole array.
9. Define skip distance.
10. What are the factors affect the propagation of radio waves?
PART B x 16 80 Marks)
11. What are Hertizian dipoles? Derive the electric and magnetic field of Hertizian dipoles.
Or
Explain in detail retarded vector potential and scalar potential.
Question Paper Code: 31463
2
31463
Discuss in detail on the following Antenna temperature Polarization
12. Draw radiation pattern for a half Wavelength dipole and explain in detail. Or Discuss in detail about linear array and pattern multiplication.
13. With a neat sketch and explain the slot antenna and its radiation mechanism. Or Design and neat sketch of horn antenna and reflector antenna.
14. Describe the construction and basic principle of operation of a helical antenna under normal mode of operation and Axial mode of operation. Write its application. Or With a neat sketch and explain the construction and operation of helical antenna.
15. Summarize the structure of the ionosphere and explain the phenomena of wave bending introduced by these layers. Or Discuss on the following Critical frequency MUF
B.E. B.Tech. DEGREE EXAMINATION, MAY 2017
Sixth Semester
Electronics and Communication Engineering
01UEC603 ANTENNA AND WAVE PROPAGATION
(Regulation 2013)
Duration: Three hours Maximum: 100 Marks
Answer ALL Questions
PART A (10 x 2 20 Marks)
1. Define half power beam width.
2. Define beam solid angle.
3. What is need of antenna array?
4. What is a short dipole?
5. Define duality principle.
6. Point out the merits and demerits of lens antenna.
7. What are the drawbacks of antenna measurements?
8. List the applications of log periodic dipole array.
9. Define skip distance.
10. What are the factors affect the propagation of radio waves?
PART B x 16 80 Marks)
11. What are Hertizian dipoles? Derive the electric and magnetic field of Hertizian dipoles.
Or
Explain in detail retarded vector potential and scalar potential.
Question Paper Code: 31463
2
31463
Discuss in detail on the following Antenna temperature Polarization
12. Draw radiation pattern for a half Wavelength dipole and explain in detail. Or Discuss in detail about linear array and pattern multiplication.
13. With a neat sketch and explain the slot antenna and its radiation mechanism. Or Design and neat sketch of horn antenna and reflector antenna.
14. Describe the construction and basic principle of operation of a helical antenna under normal mode of operation and Axial mode of operation. Write its application. Or With a neat sketch and explain the construction and operation of helical antenna.
15. Summarize the structure of the ionosphere and explain the phenomena of wave bending introduced by these layers. Or Discuss on the following Critical frequency MUF
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- advanced sensor
- analog circuits
- analog communication
- analytical instruments
- antenna and wave propagation
- application of instrumentation in aerospace and navigation
- applied digital signal processing
- biomedical instrumentation
- circuit theory
- communication engineering
- computer architecture and organization
- control engineering
- data communication and networks
- data structures and algorithm analysis
- data structures and algorithms
- digital communication
- digital electronics
- digital electronics and design
- digital image processing
- digital signal processing
- electrical circuits and networks
- electrical machines
- electrical measurements
- electromagnetic fields
- electronic circuits
- electronic measurements and instrumentation
- embedded and real time systems
- environmental monitoring instruments
- environmental science and engineering
- fibre optics and laser instruments
- high speed networks
- industrial data networks
- industrial electronics
- industrial instrumentation – ii
- industrial instrumentation-i
- information theory and coding
- instrumentation for power plants
- instrumentation system design
- laser and fiber optics instrumentation
- linear control engineering
- linear integrated circuits and applications
- logic and distributed control systems
- microprocessors and interfacing
- microprocessors microcontrollers and applications
- microwave engineering
- mobile ad-hoc networks
- modern electronic instrumentation
- nano electronics
- numerical methods
- optical communication and networks
- principles of electrical machines
- probability and random processes
- process control instrumentation
- project management and finance
- qualitative and quantitative aptitude
- real time embedded systems architecture
- reliability and safety engineering
- robotics and automation
- satellite communication principles and applications
- sensors and transducers
- signals and systems
- thermodynamics and fluid mechanics
- transforms and partial differential equations
- transmission lines and waveguides
- value education and human rights
- vlsi design
- vlsi system design
- wireless communication systems
- wireless sensor networks