Class lecture notes for third Year,sixth semester Antennas & Wave Propagation ( Subject Code: EC) is available here in PDF,DOC. NOTES: (1) When thedirection is not stated, the power gain is usually taken to be thepower gain in the direction of its maximum value. (2) Power gain does not. Department: ECE Subject Code: EC Subject Name: Antenna and Wave Propagation Type: Lecture Notes Edition Details: NPR Edition.

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What is meant by smart antenna? Write short notes on Vertical incidence measurement of the ionosphere. Draw the structure of an Helical antenna with its parameters. Describe the Slotted line technique for Impedance measurement.

What is the principle of microwave antenna? Derive an expression for the electric field and magnetic field due to a current element at a distance point in free space.


Calculate the directivity of an Isotropic antenna. Give the relation between Vertical and Oblique incidence transmission. What do you understand by Multi hop Propagation? At what distance in?

EC Antenna and Wave Propagation Lecture Notes – NPR Edition

Derive an expression for the power radiated by the current element and calculate the radiation resistance. What are the types of antenna measurements? Documents Flashcards Grammar checker. What is a parasitic element? Ec2335 the principle of traveling wave radiator. Write short notes on various forms of arrays i.


antennas and wave propagation subject code: ec2353

What is a Phased array? Define Radiation pattern measurements.

Notws the structure of Log- periodic antenna. An antenna has a radiation resistance of 72 Ohms, a loss resistance of 8 Ohms and a power gain of 12dB.

Write short notes on Structure of Troposphere 8. Determine the gain and beam width for a parabolic antenna with 10M-diameter dish and dipole feed at 10GHz.

Define Oblique incidence measurement. Write detailed nohes on a Horn antennas b Frequency independent antennas. Give the reason for poor radiation of a loop antenna. Define beam solid angle and antenna beam efficiency. Explain the various layers of Ionosphere 5.

antennas and wave propagation subject code: ec

Direction of pattern minima ii Beam width of major lobe 6. What are its important properties? What is Broad side array and draw its radiation notess Beam width of major lobe 5. What is End fire array and draw its radiation pattern? Write short notes on i. Explain the Structure of Atmosphere 4.


How does a log periodic antenna provide a large bandwidth of operation? Calculate the maximum effective aperture of a microwave antenna which has a directivity of State some Ionospheric abnormalities What is standing wave ratio method of impedance measurements? What is Critical Frequency Explain the principle of operation and applications of loop antenna.

Explain briefly about Ionospheric abnormalities Find out the radiation resistance of a? Explain briefly the various modes of Propagation 2. Calculate the maximum notea aperture area of antenna which is operating at a wavelength ce2353 2 meters and has a directivity of What is the reason for using Yagi antenna for TV broadcast reception? Explain directivity of an antenna. Derive an expression to determine the Directivity of an antenna. How is a high frequency dipole antenna fed and matched with driving source?

Write short notes on a Slot radiators b Loop antennas

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