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Axial Ratio of Helical Antenna Formula

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Axial Ratio is defined as the ratio between the major and minor axis of a circularly polarized antenna pattern. Check FAQs

AR = \frac{(2 \cdot n) + 1}{2 \cdot n}

AR - Axial Ratio?n - Number of Turns of Helical Antenna?

Axial Ratio of Helical Antenna Example

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Here is how the Axial Ratio of Helical Antenna equation looks like with Values.

Here is how the Axial Ratio of Helical Antenna equation looks like with Units.

Here is how the Axial Ratio of Helical Antenna equation looks like.

1.0832 = \frac{(2 \cdot 6.01) + 1}{2 \cdot 6.01}

1.0832 = \frac{(2 \cdot 6.01) + 1}{2 \cdot 6.01}

1.0832 = \frac{(2 \cdot 6.01) + 1}{2 \cdot 6.01}

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Axial Ratio of Helical Antenna Solution

Follow our step by step solution on how to calculate Axial Ratio of Helical Antenna?

FIRST Step Consider the formula

AR = \frac{(2 \cdot n) + 1}{2 \cdot n}

Next Step Substitute values of Variables

∴

AR = \frac{(2 \cdot 6.01) + 1}{2 \cdot 6.01}

Next Step Prepare to Evaluate

∴

AR = \frac{(2 \cdot 6.01) + 1}{2 \cdot 6.01}

Next Step Evaluate

∴

AR = 1.08319467554077

LAST Step Rounding Answer

∴

AR = 1.0832

Axial Ratio of Helical Antenna Formula Elements

Variables

Axial Ratio

Axial Ratio is defined as the ratio between the major and minor axis of a circularly polarized antenna pattern.

Symbol: AR

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Axial Ratio

Number of Turns of Helical Antenna

Number Of Turns Of Helical Antenna is the number of identical parallel antennas are arranged along a line.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Turns of Helical Antenna

Other formulas in Helical Antennas category

Go Input Impedance of Helical Antenna

Z h = 140 \cdot C λ

Go Gain of Helical Antenna

G a = 11.8 + 10 \cdot \log 10 ({C λ}^{2} \cdot n \cdot S)

Go Helix Circumference of Helical Antenna

C λ = \frac{Z h}{140}

Go Beam Width between First Null (BWFN) of Helical Antenna

BW fn = 115 \cdot \frac{{C λ}^{\frac{3}{2}}}{C \cdot \sqrt{S \cdot n}}

How to Evaluate Axial Ratio of Helical Antenna?

Axial Ratio of Helical Antenna evaluator uses Axial Ratio = ((2*Number of Turns of Helical Antenna)+1)/(2*Number of Turns of Helical Antenna) to evaluate the Axial Ratio, The Axial Ratio of Helical antenna is the ratio between the major and minor axis of a circularly polarized antenna pattern. For an antenna to have perfect circular polarization, the Axial ratio would be close to 1. Axial Ratio is denoted by AR symbol.

How to evaluate Axial Ratio of Helical Antenna using this online evaluator? To use this online evaluator for Axial Ratio of Helical Antenna, enter Number of Turns of Helical Antenna (n) and hit the calculate button.

FAQs on Axial Ratio of Helical Antenna

What is the formula to find Axial Ratio of Helical Antenna?

The formula of Axial Ratio of Helical Antenna is expressed as Axial Ratio = ((2*Number of Turns of Helical Antenna)+1)/(2*Number of Turns of Helical Antenna). Here is an example- 1.083195 = ((2*6.01)+1)/(2*6.01).

How to calculate Axial Ratio of Helical Antenna?

With Number of Turns of Helical Antenna (n) we can find Axial Ratio of Helical Antenna using the formula - Axial Ratio = ((2*Number of Turns of Helical Antenna)+1)/(2*Number of Turns of Helical Antenna).

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