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Antenna Aperture Efficiency Formula

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Antenna Aperture Efficiency is defined as the efficiency of the antenna to radiate efficiently. Check FAQs

η a = \frac{A eff}{A a}

η_a - Antenna Aperture Efficiency?A_eff - Effective Area of Receiving Antenna?A_a - Antenna Area?

Antenna Aperture Efficiency Example

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Here is how the Antenna Aperture Efficiency equation looks like with Values.

Here is how the Antenna Aperture Efficiency equation looks like with Units.

Here is how the Antenna Aperture Efficiency equation looks like.

0.7 = \frac{17.5875}{25.125}

0.7 = \frac{17.5875m²}{25.125m²}

0.7 = \frac{17.5875}{25.125}

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Antenna Aperture Efficiency Solution

Follow our step by step solution on how to calculate Antenna Aperture Efficiency?

FIRST Step Consider the formula

η a = \frac{A eff}{A a}

Next Step Substitute values of Variables

∴

η a = \frac{17.5875m²}{25.125m²}

Next Step Prepare to Evaluate

∴

η a = \frac{17.5875}{25.125}

LAST Step Evaluate

∴

η a = 0.7

Antenna Aperture Efficiency Formula Elements

Variables

Antenna Aperture Efficiency

Antenna Aperture Efficiency is defined as the efficiency of the antenna to radiate efficiently.

Symbol: η_a

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Antenna Aperture Efficiency

Effective Area of Receiving Antenna

Effective Area of Receiving Antenna is a fundamental parameter that characterizes the ability of the antenna to capture electromagnetic radiation and convert it into an electrical signal.

Symbol: A_eff

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Effective Area of Receiving Antenna

Antenna Area

Antenna Area refers to the actual physical size of an antenna. It is the physical cross-sectional area of the radiating or receiving elements of the antenna.

Symbol: A_a

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Antenna Area

Other formulas in Radar and Antenna Specifications category

Go Range of Target

R t = \frac{[c] \cdot T run}{2}

Go Measured Runtime

T run = 2 \cdot \frac{R t}{[c]}

Go Maximum Unambiguous Range

R un = \frac{[c] \cdot T pulse}{2}

Go Pulse Repetition Time

T pulse = \frac{2 \cdot R un}{[c]}

How to Evaluate Antenna Aperture Efficiency?

Antenna Aperture Efficiency evaluator uses Antenna Aperture Efficiency = Effective Area of Receiving Antenna/Antenna Area to evaluate the Antenna Aperture Efficiency, The Antenna Aperture Efficiency formula is defined as the ratio of the effective radiating area (or effective area) to the physical area of the aperture. Antenna Aperture Efficiency is denoted by η_a symbol.

How to evaluate Antenna Aperture Efficiency using this online evaluator? To use this online evaluator for Antenna Aperture Efficiency, enter Effective Area of Receiving Antenna (A_eff) & Antenna Area (A_a) and hit the calculate button.

FAQs on Antenna Aperture Efficiency

What is the formula to find Antenna Aperture Efficiency?

The formula of Antenna Aperture Efficiency is expressed as Antenna Aperture Efficiency = Effective Area of Receiving Antenna/Antenna Area. Here is an example- 0.69998 = 17.5875/25.125.

How to calculate Antenna Aperture Efficiency?

With Effective Area of Receiving Antenna (A_eff) & Antenna Area (A_a) we can find Antenna Aperture Efficiency using the formula - Antenna Aperture Efficiency = Effective Area of Receiving Antenna/Antenna Area.

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