- #Antenna and wave propagation lecture notes pdf for free#
- #Antenna and wave propagation lecture notes pdf pdf#
- #Antenna and wave propagation lecture notes pdf plus#
- #Antenna and wave propagation lecture notes pdf free#
It is the area over which the power is extrated from the incident wave and delivered to the load is called effective aperture. Physical aperture.ħ.Define different types of aperture.? Effective aperture(Ae). 6.What are the different types of aperture.? 5.Define Directivity? The directivity of an antenna is equal to the ratio of the maximum power density P(q,f)max to its average value over a sphere as observed in the far field of an antenna. The ratio of the main beam area to the total beam area is called beam efficiency.
#Antenna and wave propagation lecture notes pdf plus#
Define Beam efficiency? The total beam area ( WA) consists of the main beam area ( WM ) plus the minor lobe area ( Wm). The radiation intensity is independent of distance. Mail to: angle is called the radiation intensity U (watts per steradian or per square degree). Define Radiation intensity? The power radiated from an antenna per unit
The energy radiated in a particular direction by an antenna is measured in terms of FIELD STRENGTH.(E Volts/m) 3.
It is a graph which shows the variation in actual field strength of the EM wave at all points which are at equal distance from the antenna. What is meant by radiation pattern? Radiation pattern is the relative distribution of radiated power as a function of distance in space. Antenna is also said to be an impedance transforming device.
#Antenna and wave propagation lecture notes pdf free#
Antenna is a transition device or a transducer between a guided wave and a free space wave or vice versa. Mail to: AND COMMUNICATION ENGINEERING ANTENNAS AND WAVE PROPAGATION TWO MARK QUESTIONS 1. Sri Vidya College of Engineering & Technology, Virudhunagar, Tamilnadu. This site does not host pdf, DOC files all document are the property of their respective owners.Prepared by : LENIN RAJA, Assistant Professor / Research Coordinator,
#Antenna and wave propagation lecture notes pdf pdf#
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#Antenna and wave propagation lecture notes pdf for free#
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