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Antennas & Wave Propagation

I. My Antennas & Wave Propagation Group Project:

Project Title:"Design of Antenna with Technical Specifications"

 

 

 

 

Helical Antenna:is a specialized antenna that can emit and respond with rotating circular polarization.

 

Polarization: is the trace of the tip of the electric field (E) in the x-y plane if the wave is in the z-direction.

 

Axial Ratio (AR): is the ratio of the major axis to the minor axis for the elliptical polarization where it equals to 20 log (Emax/Emin).

Emax = The Major Axis & Emin = The Minor Axis.

Directivity: is the value of directive gain (Dg) in the direction of its maximum value.

Gain of Antenna: is a description of both directional and efficiency properties of an antenna where it equals to the directivity multiplied by the efficiency of an antenna.

Our Helical Antenna Design Specifications:

 

f =10 GHz , N=15, Diameter of Ground Plate = 22.5 mm, D0 = 89.76,

AR = 1.033

 

 

 

Our Helical Antenna Design Results:

 

 

 

 

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