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Electric and Magnetic Field in Dipole Antenna | Antenna and Wave Propagation | Engineering Funda
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- čas přidán 25. 04. 2018
- Electric and Magnetic Field in Dipole Antenna is explained by the following outlines in a unit of Dipole Antenna:
1. Electric and Magnetic Field in Dipole Antenna
2. Direction of Electric Field in Dipole Antenna
3. Direction of Magnetic Field in Dipole Antenna
4. Radiation of Dipole Antenna
Chapter-wise detailed Syllabus of the Antennas and Wave Propagation Course is as follows:
Chapter-1 Antenna Parameters: • Antenna Parameters
Radiation Pattern, Antenna Radiation Density and Radiated Power, Antenna Radiation Intensity, Antenna Beam Efficiency, Beam Angle & Beam Solid Angle, Antenna Radiation Efficiency, Antenna Directivity, Antenna Gain, Antenna Apertures, Polarization, Friis Transmission formula, Antenna Field Zone, Radiation Resistance, Retarded Potential, Reflection Coefficient and VSWR, Antenna Temperature, Effective height of Antenna, Reciprocity theorem of Antenna.
Chapter-2 Dipole Antenna: • Dipole Antenna
Types of Dipole Antenna, How Dipole Antenna Radiates in space, E field and H field in dipole antenna, Radiation resistance and radiated power of Hertzian dipole antenna, Radiation resistance and radiated power of halfwave dipole antenna, Dipole Antenna feeding techniques, Monopole antenna and imaginary ground concept of monopole antenna, Folded Dipole Antenna.
Chapter-3 Antenna Array: • Antenna Array
Basics of Antenna Array, Two Isotropic source array, Two point array separated by half wavelength, Two point array separated by wavelength, Radiation pattern of two point antenna array, Pattern Multiplication, Pattern Multiplication of four point sources, Pattern Multiplication of eight point sources, Binomial Array, Schelkunoff Polynomial array, Dolph Tchebyschedd array, Tchebyshev Polynomial, Phased Array, Frequency scanning array, Hansen woodyard end fire array, Smart Antenna.
Chapter-4 Loop Antenna, Helical Antenna & Yagi Uda Antenna: • Loop Antenna, Helical ...
Basics of Loop Antenna, Radiated Power and Radiation resistance of loop antenna, Details of Helical antenna, Designing of helical antenna, Problems on helical antenna, Yagi Uda antenna, Designing of Yagi Uda Antenna, Problems on Yagi Uda Antenna.
Chapter-5 Turnstile Antenna, Long wire Antenna, Travelling wave Antenna, V Antenna & Rhombic Antenna: • Turnstile Antenna, Lon...
Details of Turnstile antenna, Long wire resonant antenna, Travelling wave antenna, Details and working of V antenna, Rhombic antenna, Designing of Rhombic antenna, Problems on Rhombic antenna, Antenna impedance matching.
Chapter-6 Horn Antenna, Reflector Antenna & Lens Antenna: • Horn Antenna, Reflecto...
Horn Antenna and it's radiation, Reflector Antenna, Feeding methods of reflector antenna, Aperture efficiency of reflector antenna, Problems on reflector antenna, Lens antenna and working principle of lens antenna, Comparison of reflector antenna & Lens antenna.
Chapter-7 Slot Antenna: • Slot Antenna
Babinet's principle, Slot antenna and radiation mechanism in slot antenna.
Chapter-8 Microstrip Antenna: • Microstrip Antenna
Microstrip Antenna basics, Feeding methods of Microstrip Antenna, Fringing effect of Microstrip Antenna, Designing of Microstrip Antenna, Example of Microstrip Antenna, PIFA antenna.
Chapter-9 Broad Band Antenna, Log Periodic Antenna & Spiral Antenna: • Broad Band Antenna, Lo...
Broad Band Antenna, Frequency Independent Antenna, Log Periodic Antenna, Structure of Log periodic antenna, Spiral Antenna, Radiation and Designing of Spiral antenna.
Chapter-10 Antenna Measurement: • Antenna Measurement
Radiation pattern measurement, Gain measurement, Source of error in gain measurement, Impedance measurement, Phase measurement, Polarization measurement, Spectrum Analyzer, Network Analyzer, VNA Calibration, Anechoic chamber.
Chapter-11 Wave Propagation: • Wave Propagation
Radio wave propagation, Ground wave propagation, Sky wave propagation, Space wave propagation, Duct propagation, Critical frequency, Maximum Usable frequency, Virtual height, Skip distance.
Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Antenna and Wave Propagation.
#DipoleAntenna #Antenna #EngineeringFunda
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finally, someone who actually teaches you stuff. What if DC?
Sir we want derivations of that electric and magnetic field
Yes, I agree. Sir is telling a nice story, but does not rigorously derive much.
According to every textbook I've ever read, the right hand "corkscrew" rule applies to conventional current flow, which is positive to negative. I think the magnetic flux lines should be reversed, but I'm no expert on dipoles.
Excellent explanation. It's so good to see it explained with the arrows instead of those wave diagrams. Also you were describing how the fields look in 3d space.
sir can you please upload the videos regarding the derivation of electric and magnetic field of short electric dipole....
very easy and effective teaching. keep making videoes..
I remember my friend.
I think, your pictures are not good, as the field strength is not constant.
At the ends of the dipole, the E-field is highest and in the center of the dipol is zero,
and the current at the end of the dipole is zero ,and in the center of the dipole the
current at the maximum.
This should be showed, this is important!
Excellent
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Perfect 👍👍
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Sir Why Current is not going from positive terminal to negative because electron will from from negative to positive to current will flow from positive to negative
My classmate.
Sir how current flows through open circuit wire
Closed circuit is required when we apply DC voltage, but when we apply AC voltage the antenna act like capacitor it means that charging and discharging. At half wave length capacitive reactance and inductive reactance are equal so the antenna is oscillate at the highest.
I need derivation for E nd H field of electric dipole ...plz help sir
Why upper (+) electric field lines will not turn around to connect with lower (-) electric lines? Don't make sense.
They would. At the center the electric field lines would be nearly parallel to the dipole, and would also be at their weakest.
At least, that is my physics 101 understanding.
@@RichFreeman Ya, that's how I was picturing it. I just used mental images of Earth's electromagnetic field to understand this.
YOU ARE GOD
Hat chutiye
anyone please share with me the text book "J. Griffiths, “Radiowave Propagation and Antenna - An Introduction”, Prentice-Hall
International, 1987"
Shouldnt the current move from positive to negative??
it is perfectly correct here
in 1st case, we have considered upper terminal is positive and power terminal is negative for positive half cycle, in that current is coming out from upper terminal and current is going inside in lower terminal.
current direction is not wrong?
nope
Current direction wrong
it is perfectly correct
No, it's alright. The confusing begins with the conventional current (= opposite to the electon current). This is a very bad educational concept in physics.
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Your magnetic fields are truly bad, sir. Use the the point and the end of an arrow method!!!
I have already upgraded this videos in playlist of antenna