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Antenna Gain Formula

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Antenna Gain is the maximum power gained by antenna. Check FAQs

G = \frac{U}{U o}

G - Antenna Gain?U - Radiation Intensity?U_o - Isotropic Radiation Intensity?

Antenna Gain Example

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Here is how the Antenna Gain equation looks like with Values.

Here is how the Antenna Gain equation looks like with Units.

Here is how the Antenna Gain equation looks like.

300 = \frac{27}{0.09}

300 = \frac{27W/sr}{0.09W/sr}

300 = \frac{27}{0.09}

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Antenna Gain Solution

Follow our step by step solution on how to calculate Antenna Gain?

FIRST Step Consider the formula

G = \frac{U}{U o}

Next Step Substitute values of Variables

∴

G = \frac{27W/sr}{0.09W/sr}

Next Step Prepare to Evaluate

∴

G = \frac{27}{0.09}

LAST Step Evaluate

∴

G = 300

Antenna Gain Formula Elements

Variables

Antenna Gain

Antenna Gain is the maximum power gained by antenna.

Symbol: G

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Antenna Gain

Radiation Intensity

Radiation Intensity refers to the power radiated per unit solid angle by an antenna in a specific direction.

Symbol: U

Measurement: Radiant IntensityUnit: W/sr

Note: Value can be positive or negative.

Formulas to find Radiation Intensity

Isotropic Radiation Intensity

Isotropic Radiation Intensity refers to the radiation intensity of an idealized isotropic radiator.

Symbol: U_o

Measurement: Radiant IntensityUnit: W/sr

Note: Value can be positive or negative.

Formulas to find Isotropic Radiation Intensity

Other formulas in Antenna Theory Parameters category

Go Radiation Intensity

U = U o \cdot D a

Go Power Per Unit Bandwidth

P u = k \cdot T R

Go Total Power of Antenna

P a = k \cdot T a \cdot B a

Go Effective Area of Antenna

A e = \frac{k \cdot ΔT}{S}

How to Evaluate Antenna Gain?

Antenna Gain evaluator uses Antenna Gain = Radiation Intensity/Isotropic Radiation Intensity to evaluate the Antenna Gain, The Antenna Gain formula is defined as how strong a signal an antenna can send or receive in a specified direction. Antenna Gain is denoted by G symbol.

How to evaluate Antenna Gain using this online evaluator? To use this online evaluator for Antenna Gain, enter Radiation Intensity (U) & Isotropic Radiation Intensity (U_o) and hit the calculate button.

FAQs on Antenna Gain

What is the formula to find Antenna Gain?

The formula of Antenna Gain is expressed as Antenna Gain = Radiation Intensity/Isotropic Radiation Intensity. Here is an example- 9.981516 = 27/0.09.

How to calculate Antenna Gain?

With Radiation Intensity (U) & Isotropic Radiation Intensity (U_o) we can find Antenna Gain using the formula - Antenna Gain = Radiation Intensity/Isotropic Radiation Intensity.

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Antenna Gain Formula

Antenna Gain Example

Antenna Gain Solution

Antenna Gain Formula Elements

Other formulas in Antenna Theory Parameters category

How to Evaluate Antenna Gain?

FAQs on Antenna Gain

Variable Name