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Effective Aperture of Lossless Antenna Formula

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Effective Aperture of Lossless Antenna represents the portion of the antenna's physical aperture that effectively captures or radiates electromagnetic energy. Check FAQs

A e = η a \cdot A

A_e - Effective Aperture of Lossless Antenna?η_a - Antenna Aperture Efficiency?A - Physical Area of an Antenna?

Effective Aperture of Lossless Antenna Example

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Here is how the Effective Aperture of Lossless Antenna equation looks like with Values.

Here is how the Effective Aperture of Lossless Antenna equation looks like with Units.

Here is how the Effective Aperture of Lossless Antenna equation looks like.

21.7 = 0.7 \cdot 31

21.7 = 0.7 \cdot 31m²

21.7 = 0.7 \cdot 31

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Effective Aperture of Lossless Antenna Solution

Follow our step by step solution on how to calculate Effective Aperture of Lossless Antenna?

FIRST Step Consider the formula

A e = η a \cdot A

Next Step Substitute values of Variables

∴

A e = 0.7 \cdot 31m²

Next Step Prepare to Evaluate

∴

A e = 0.7 \cdot 31

LAST Step Evaluate

∴

A e = 21.7

Effective Aperture of Lossless Antenna Formula Elements

Variables

Effective Aperture of Lossless Antenna

Effective Aperture of Lossless Antenna represents the portion of the antenna's physical aperture that effectively captures or radiates electromagnetic energy.

Symbol: A_e

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Effective Aperture of Lossless Antenna

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

Physical Area of an Antenna

Physical Area of an Antenna refers to the actual physical size or cross-sectional area of the antenna structure.

Symbol: A

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Physical Area of an Antenna

Other formulas in Radar Antennas Reception category

Go Directive Gain

G d = \frac{4 \cdot π}{θ b \cdot φ b}

Go Spacing between Centers of Metallic Sphere

s = \frac{λ m}{2 \cdot \sqrt{1 - {η m}^{2}}}

Go Dielectric Constant of Artificial Dielectric

e = 1 + \frac{4 \cdot π \cdot a^{3}}{s^{3}}

Go Metal-Plate Lens Refractive Index

η m = \sqrt{1 - {(\frac{λ m}{2 \cdot s})}^{2}}

How to Evaluate Effective Aperture of Lossless Antenna?

Effective Aperture of Lossless Antenna evaluator uses Effective Aperture of Lossless Antenna = Antenna Aperture Efficiency*Physical Area of an Antenna to evaluate the Effective Aperture of Lossless Antenna, Effective Aperture of Lossless Antenna represents the portion of the aperture that captures or radiates energy without loss. In a lossless antenna, all the energy that falls on the physical aperture is effectively used for transmitting or receiving signals, and there are no losses within the antenna system. Effective Aperture of Lossless Antenna is denoted by A_e symbol.

How to evaluate Effective Aperture of Lossless Antenna using this online evaluator? To use this online evaluator for Effective Aperture of Lossless Antenna, enter Antenna Aperture Efficiency (η_a) & Physical Area of an Antenna (A) and hit the calculate button.

FAQs on Effective Aperture of Lossless Antenna

What is the formula to find Effective Aperture of Lossless Antenna?

The formula of Effective Aperture of Lossless Antenna is expressed as Effective Aperture of Lossless Antenna = Antenna Aperture Efficiency*Physical Area of an Antenna. Here is an example- 21.7 = 0.7*31.

How to calculate Effective Aperture of Lossless Antenna?

With Antenna Aperture Efficiency (η_a) & Physical Area of an Antenna (A) we can find Effective Aperture of Lossless Antenna using the formula - Effective Aperture of Lossless Antenna = Antenna Aperture Efficiency*Physical Area of an Antenna.

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