Antenna Array (Basics, Radiation, Electric Field & Advantages) Explained

Basics of Antenna Array is explained by the following outlines in a unit of Antenna Array:
1. Antenna Array
2. Basics of Antenna Array
3. Radiation of Antenna Array
4. Electric field of Antenna Array
5. Advantages Antenna Array
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.
#AntennaArray #Antenna #EngineeringFunda @EngineeringFunda

[@EngineeringFunda]

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[@carmelpule8493]

With such modern teaching aids, I found it surprising that during the first 2:52 time duration, it was a case of watching at close quarters, three fingers on a right hand, waving a pen, on some handwritten symbols, shaped as " Antenna Arrays", with a background voice reading what I could have deduced without listening to the voice. I felt that either one or the other could have sufficed, but not both of them together at the same time, with the waving hand and pen thrown in, This went on till 3:44, The diagram shown at 11:48 could have been replaced with 4 real nails hammered in line on a piece of wood and the four nails separated by say a distance of about five centimetres representing, half a wavelength, Then one long calibrated stip of paper calibrated along its length by half wavelengths, would have been attached to each vertical nail. The strips of paper would represent the radiating paths in a given direction, The free ends of the strips of paper would be grouped together at a distance and keeping them lightly tight with respect to the four phased stationary nail " array, the holder of the paper strips would have a walkabout the nails, representing the distance in various directions of propagation, and, while holding the papers tightly the papers strips will be allowed to slip with respect to each other showing the varying phase difference on the calibrated strips of paper, which is the phase required for the lobe to be maximised or nulled in a given direction. Then a set of vectors would be drawn to represent the four nail array model ,as follows. while in phase , then, (Eoe^jwt + Eoe^jwt +Eoe^jwt +Eoe^jwt) = 4 Eoe^jwt peak of lobe with pi/4 out of phase (Eo(e^jwt)(e^j1pi/2)+ Eo(e^jwt)(e^j2pi/2)+Eo(e^jwt)(e^j3pi/2)+Eo(e^jwt)(e^j4pi/2))= Eo(j -1+-j+1) =0 null angle. Repeat with eight nails, and eight long calibrated paper strips with half wavelengths, slipping through one's hands. , Such a practical working model could have been actively filmed with such modern digital camera communications. Writing and reading what one writes is going back to antiquity. Demonstrating a practical working model should have been used, rather such vociferous teaching and a wavering writing pen, used as a pointer most of the time, with little creativity. Hard core practical models and good dynamic sketches are better than reading prepared notes on a modern video, Reading what one writes and scribbles on a whiteboard is not respecting modern digital communications. Simple dynamic practical working models can easily be made cheaply, but many religious and secular educators still think that writing and voice projection can transfer all knowledge! Many educators need to come up to date with practical dynamic demonstration,

[@anoopbs6161]

Wait wtf did you just go on about

[@amanbankar1586]

Very useful video sir.you teach far better than our proffesor.

[@maskmenon6299]

This sir is far better than mitul sir from gec bharuch 😶‍🌫️😶‍🌫️

[@EngineeringFunda]

All the subjects playlist of Engineering Funda is available in comment section. Share it with your friends to support us. Your positive comments motivates me and person like me get boosted by my students feedback. Thanks and welcome 🙏

[@harishkarnam1460]

Thank you sir for amazing content, please cover planar and circular array

[@EngineeringFunda]

Array in one plane is planar array and if you structure that in circular form then it is circular array

[@عباسحسنعلي-قسمالكهرباء]

Thank you very very much

[@EngineeringFunda]

Your Appreciations, care and share matters a lot to me. #EnginneringLove. All the subjects playlist of Engineering Funda is available in comment section. Share it with your friends to support us. Your positive comments motivates me and person like me get boosted by my students feedback. Thanks and welcome 🙏

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[@hamzaenviro14]

V.good thank you so much

[@yadwindersingh6297]

Dhanvad veere💖💖

[@EngineeringFunda]

Your welcome 🙏

[@suswithcherry9252]

how we get angle 'θ' in the formula ψ = βd (cosθ) + α

[@shaiksubahan4715]

Thank u very much

[@EngineeringFunda]

Your positive comments motivates me, Thanks and welcome 🙏

[@aagamjain5883]

Sir upload video for broadside array and endfire array

[@EngineeringFunda]

Check my playlist of antenna and wave propagation

[@reshmarathod3877]

Sonar system information var video ........its important sir please

[@bouabdellikhaoula2857]

How can we communicate with you if we need some solutions to issues?

[@EngineeringFunda]

Personal services are not possible as I don't have any paid services.

[@bouabdellikhaoula2857]

thanks

[@bouabdellikhaoula2857]

@@EngineeringFunda what symmetry does the half-wave dipole radiation pattern have in the far zone and what is its direction?

[@sandyarubiya9214]

Sir pls upload video for fields of short,halfwave dipole antenna

[@naushadalam2912]

cvhjjj

[@shivanisaroha665]

Sir please explain folded dipole and its application by your video

[@EngineeringFunda]

See it in my playlist

[@valtinryu8147]

The alpha in the total phase, where does that come from? Also what is the relationship between the individual currents and their respective Electric fields?

[@EngineeringFunda]

You can calculate that from Maxwell's equation

[@abhishekkumaryadav8417]

What will be the result if different elements are used in an array ??

[@farheenghoustalkies3210]

Thanks man

[@Icameoncetd]

I think there is a mistake. d is distance from first element to n-th element. So in case of two point elements psi =B(d/2) +alpha

[@chittranshkori6744]

sir please upload video for Taylor synthesis of sum patterns

[@kassahuntafessu1720]

thank you sir

[@abhishekrankawat4332]

Linear antenna arrays?

[@srijagunda3388]

Why a phase shifter is used?

[@aqilshah8873]

Sir your website and playstore app for notes is not working

[@EngineeringFunda]

You just check it on Android application, it is Working very well and I have checked it with 3 devices

[@harishbhardwaj2667]

Bhai ki awaz sexy h 😅

[@abhishekranao6687]

improve your handwriting

[@EngineeringFunda]

I will try my best

[@UECAshutoshKumar]

Thank you sir

[@EngineeringFunda]

So nice of you

[@sandyarubiya9214]

Sir pls upload video for fields of short,halfwave dipole antenna

[@ashutoshjha4678]

sir make a video on medium wave (mast) antenna