Ec0305 Antenna and Wave Propagation

August 8, 2017 | Author: Bala Savvy | Category: Antenna (Radio), Ionosphere, Radio Propagation, Broadcast Engineering, Electronics
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SRM UNIVERSITY FACULTY OF ENGINEERING AND TECHNOLOGY SCHOOL OF ELECTRONICS AND COMMUNICATION ENGINEERING DEPARTMENT OF ECE COURSE PLAN Course Code Course Title Year& Semester Course Time Location

Day

: EC0305 : Antennas and wave propagation : III & V semester : Odd semester (June – November 2009) : Tech Park (Room No.701, 702,703,704) S.R.M University A

B

Hour

Timing

5

1:30 – 2:20 P.M

Monday

Hour

Tuesday Wednes day Thurs day Friday

Timing

1 and 6

4 2 1

C

8:30 – 9:20 A.M & 2:20 – 3:10 P.M

D

Hour

Timing

4

11:10- 12:00 A.M

2 and 4

Timing

2 and 4

9:20 – 10:10 A.M & 11:10- 12:00 A.M

9:20 – 10:10 A.M & 11:10- 12:00 A.M

11:10- 12:00 A.M 9:20 – 10:10 A.M 8:30 – 9:20 A.M

Hour

2 5 1 and 3

8:30 – 9:20 A.M & 10:20 – 11:10 A.M

6

9:20 – 10:10 A.M 1:30 – 2:20 P.M

2:20 – 3:10 P.M

Faculty Details: Name of the staff

Sec

Office

Office Hours

Mail ID

Mr.M.S.Balamurugan

A

Tech park:706A

Monday(12.30-1.30 pm)

Ms.P.Radhika

B

Tech park:803A

Wed(4-4.30, 1-1.30)

[email protected]

Mrs.S.T.Aarthy

C

Tech park:803A

Wed(12.30-1.30 pm)

[email protected]

Mr.S.Manikandaswamy

D

Tech park:706A

Fri(12.30-1.30 pm)

[email protected]

[email protected]

Required Text Books: 1. 2. 3. 4. 5.

K. D. Prasad, “Antenna and wave propagation”, Tech India Publications New Delhi, 1996. John. D. Kraus, “Antennas”, McGraw Hill International Editions, 1998. R. E. Collin, “Antennas and Radio wave propagation”, McGraw Hill International Editions, 1985. Robert S. Elliot, “Antenna Hand Book”, Joseph. J. Carr, Galgotia publication, New Delhi, 1995. Constantine A. Balanis, “ Antenna Theory analysis and Design”, II Edition, John Wiley and Sons

Prerequisite

: EC0208, Transmission Lines and Networks

Objectives: 1. 2.

To study various antennas, arrays and radiation patterns of antennas. To learn the basic working of antennas

3. To understand various techniques involved in various antenna parameter measurements. 4. To understand the radio wave propagation in the atmosphere Tentative test dates: Cycle test I Surprise Test 1 Cycle test II Surprise Test 2 Model Exam

: xx.y.09 :: xx.y.09 :: xx.y.09

Test Portions Cycle test I Cycle test II Model Exam

: Unit I : Unit II and Unit III : All five units

Assessment details: Surprise test 1 & 2 Cycle test I & II Model Exam

: 7.5 marks each : 10 marks each : 15 marks

Outcomes Students who have successfully completed this course Course outcome ? ? ? ?

Various antennas, arrays and radiation patterns of antennas. Basic working of antennas. Various techniques involved in various antenna parameter measurements. The radio wave propagation in the atmosphere

Program outcome ?

Graduate will demonstrate the ability to identify, formulate and solve engineering problems

?

Graduate will develop confidence for self education and ability for life-long learning

Detailed Session Plan Unit 1 ANTENNA FUNDAMENTALS AND VECTOR POTENTIALS Isotropic Radiation, Power density and Intensity, Gain, Directive gain, Directivity, Effective area, Reciprocity theorem, Antenna efficiency, Radiation resistance, Terminal impedance, Beam width and Bandwidth. Radiation from a small current element, Power radiated by a small current element and its radiation resistance, Half wave dipole, Radiation field of current distribution of center fed Dipole Session Time in Teaching Topics to be covered Ref Testing Method No. min Method 1. 2.

Isotropic Radiation, Power density and Intensity, Gain, Directive gain, Directivity, Effective area Reciprocity theorem, Antenna efficiency, Radiation resistance, Terminal impedance, Beam width and Bandwidth.

50

1

BB

Self -test questions

50

1

BB

Self -test questions

3.

Radiation from a small current element

50

1

BB

Comparative study

4.

Radiation from a small current element

50

1

BB

Self -test questions

5.

Power radiated by a small current element and its radiation resistance,

50

1

BB

Self -test questions

6.

Power radiated by a small current element and its radiation resistance,

50

1

BB

Self -test questions

7.

Half wave dipole

50

1

BB

Self -test questions

8.

Half wave dipole

50

1

BB

Self -test questions

9.

Radiation field of current distribution of center fed Dipole

50

1

BB

Tutorial problems

50

1

BB

Self -test questions Tutorial problems Assignment sheet

10.

problems

Unit 2: Antenna Arrays Various forms of antenna arrays- broadside, End fire, Collinear, Parasitic arrays, Arrays of two point sources, Pattern multiplication, Array of ‘N’ sources – analysis os End fire and Broadside case, Phased arrays, Binomial arrays Introduction to array, linear array and uniform linear 11. 50 1 BB Self -test questions array, Various forms of arrays 12.

13. 14.

Broad side array, End fire array, collinear array and parasitic array explanation Array of two point sources a) Equal amplitude and phase b) Equal amplitude and Opposite Phase Unequal amplitude and any phase and Pattern multiplication

50

1

BB

Self -test questions

50

1

BB

Self -test questions

50

1

BB

Self -test questions

15.

Array of “N” sources- Analysis of Endfire array

50

1

BB

Self -test questions

16.

Array of “N” sources- Analysis of Broadside array

50

1

BB

Self -test questions

17.

Phased arrays and Binomial Arrays

50

1

BB

Self -test questions

Unit 3

SPECIAL PURPOSE ANTENNAS

Traveling wave, Loop, Dipole and Folded dipole antennas, Horn antenna, Reflector antenna, Yagi- Uda antenna, Log periodic antenna, Helical and Micro strip antenna and applications of all types of antennas. 18.

Traveling wave, Loop antenna

50

1

BB

Self -test questions

19.

Dipole and Folded dipole antennas

50

1

BB

Self -test questions

20.

Horn antenna

50

1

BB

Self -test questions

21.

Reflector antenna

50

1

BB

Self -test questions

22.

Yagi- Uda antenna

50

1

BB

Self -test questions

23.

Log periodic antenna

50

1

BB

Self -test questions

24.

Helical and Micro strip antenna

50

1

BB

Self -test questions

25.

Helical and Micro strip antenna

50

1

BB

Self -test questions

26.

applications of all types of antennas

50

1

Self -test questions

Unit 4 Antenna Measurements Impedance, Gain, Radiation pattern, Beam width, Radiation Resistance, Antenna Efficiency, Directivity, Polarization and Phase Measurements 27.

Impedance measurement

50

1

BB

Self -test questions

28.

Gain measurement

50

1

BB

Self -test questions

29.

Radiation pattern measurement

50

1

BB

Self -test questions

30.

Radiation resistance measurement

50

1

BB

Self -test questions

31.

Antenna efficiency and Directivity

50

1

BB

Self -test questions

32.

Polarization and Phase measurement

50

1

BB

Self -test questions

33.

Beamwidth measurement

50

1

BB

Self -test questions

Unit 5 RADIO WAVE PROPAGATION Modes of propagation, Structure of atmosphere, Ionosphere layers, Mechanism of bending of waves, Effect of earths Magnetic field on Radio wave propagation. Virtual height, MUF, Skip distance, OWF, Ionosphere abnormalities, Multi-hop propagations, Space wave propagation, Super refraction. 34.

Modes of propagation, Structure of atmosphere

50

1

BB

Self - test question

35.

Ionosphere layers

50

1

BB

Self - test question

36.

Mechanism of bending of waves

50

1

BB

Self - test question

37.

Effect of earths Magnetic field on Radio wave propagation.

50

1

BB

Self - test question

38.

Virtual height, MUF, Skip distance, OWF

50

1

BB

Self - test question

39.

Ionosphere abnormalities

50

1

BB

Self - test question

40.

,Multi-hop propagations

50

1

BB

Self - test question

41.

Space wave propagation, Super refraction.

50

1

BB

Self - test question

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